Members/tobaru/cbc/CbC_llvm: lib/Linker/LinkModules.cpp annotate

annotate lib/Linker/LinkModules.cpp @ 15:66597e792247

minor fix

author	Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date	Tue, 17 Sep 2013 21:32:34 +0900
parents	9ad51c7bc036
children

rev	line source
3 9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1 //===- lib/Linker/LinkModules.cpp - Module Linker Implementation ----------===//
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	2 //
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	3 // The LLVM Compiler Infrastructure
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	4 //
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	5 // This file is distributed under the University of Illinois Open Source
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	6 // License. See LICENSE.TXT for details.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	7 //
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	8 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	9 //
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	10 // This file implements the LLVM module linker.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	11 //
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	12 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	13
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	14 #include "llvm/Linker.h"
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	15 #include "llvm-c/Linker.h"
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	16 #include "llvm/ADT/Optional.h"
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	17 #include "llvm/ADT/SetVector.h"
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	18 #include "llvm/ADT/SmallString.h"
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	19 #include "llvm/IR/Constants.h"
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	20 #include "llvm/IR/Module.h"
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	21 #include "llvm/IR/TypeFinder.h"
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	22 #include "llvm/Support/Debug.h"
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	23 #include "llvm/Support/raw_ostream.h"
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	24 #include "llvm/Transforms/Utils/Cloning.h"
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	25 using namespace llvm;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	26
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	27 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	28 // TypeMap implementation.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	29 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	30
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	31 namespace {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	32 typedef SmallPtrSet<StructType*, 32> TypeSet;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	33
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	34 class TypeMapTy : public ValueMapTypeRemapper {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	35 /// MappedTypes - This is a mapping from a source type to a destination type
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	36 /// to use.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	37 DenseMap<Type, Type> MappedTypes;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	38
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	39 /// SpeculativeTypes - When checking to see if two subgraphs are isomorphic,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	40 /// we speculatively add types to MappedTypes, but keep track of them here in
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	41 /// case we need to roll back.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	42 SmallVector<Type*, 16> SpeculativeTypes;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	43
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	44 /// SrcDefinitionsToResolve - This is a list of non-opaque structs in the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	45 /// source module that are mapped to an opaque struct in the destination
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	46 /// module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	47 SmallVector<StructType*, 16> SrcDefinitionsToResolve;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	48
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	49 /// DstResolvedOpaqueTypes - This is the set of opaque types in the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	50 /// destination modules who are getting a body from the source module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	51 SmallPtrSet<StructType*, 16> DstResolvedOpaqueTypes;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	52
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	53 public:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	54 TypeMapTy(TypeSet &Set) : DstStructTypesSet(Set) {}
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	55
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	56 TypeSet &DstStructTypesSet;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	57 /// addTypeMapping - Indicate that the specified type in the destination
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	58 /// module is conceptually equivalent to the specified type in the source
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	59 /// module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	60 void addTypeMapping(Type DstTy, Type SrcTy);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	61
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	62 /// linkDefinedTypeBodies - Produce a body for an opaque type in the dest
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	63 /// module from a type definition in the source module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	64 void linkDefinedTypeBodies();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	65
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	66 /// get - Return the mapped type to use for the specified input type from the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	67 /// source module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	68 Type get(Type SrcTy);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	69
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	70 FunctionType get(FunctionType T) {return cast<FunctionType>(get((Type*)T));}
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	71
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	72 /// dump - Dump out the type map for debugging purposes.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	73 void dump() const {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	74 for (DenseMap<Type, Type>::const_iterator
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	75 I = MappedTypes.begin(), E = MappedTypes.end(); I != E; ++I) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	76 dbgs() << "TypeMap: ";
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	77 I->first->dump();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	78 dbgs() << " => ";
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	79 I->second->dump();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	80 dbgs() << '\n';
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	81 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	82 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	83
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	84 private:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	85 Type getImpl(Type T);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	86 /// remapType - Implement the ValueMapTypeRemapper interface.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	87 Type remapType(Type SrcTy) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	88 return get(SrcTy);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	89 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	90
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	91 bool areTypesIsomorphic(Type DstTy, Type SrcTy);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	92 };
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	93 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	94
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	95 void TypeMapTy::addTypeMapping(Type DstTy, Type SrcTy) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	96 Type *&Entry = MappedTypes[SrcTy];
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	97 if (Entry) return;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	98
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	99 if (DstTy == SrcTy) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	100 Entry = DstTy;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	101 return;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	102 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	103
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	104 // Check to see if these types are recursively isomorphic and establish a
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	105 // mapping between them if so.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	106 if (!areTypesIsomorphic(DstTy, SrcTy)) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	107 // Oops, they aren't isomorphic. Just discard this request by rolling out
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	108 // any speculative mappings we've established.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	109 for (unsigned i = 0, e = SpeculativeTypes.size(); i != e; ++i)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	110 MappedTypes.erase(SpeculativeTypes[i]);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	111 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	112 SpeculativeTypes.clear();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	113 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	114
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	115 /// areTypesIsomorphic - Recursively walk this pair of types, returning true
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	116 /// if they are isomorphic, false if they are not.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	117 bool TypeMapTy::areTypesIsomorphic(Type DstTy, Type SrcTy) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	118 // Two types with differing kinds are clearly not isomorphic.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	119 if (DstTy->getTypeID() != SrcTy->getTypeID()) return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	120
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	121 // If we have an entry in the MappedTypes table, then we have our answer.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	122 Type *&Entry = MappedTypes[SrcTy];
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	123 if (Entry)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	124 return Entry == DstTy;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	125
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	126 // Two identical types are clearly isomorphic. Remember this
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	127 // non-speculatively.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	128 if (DstTy == SrcTy) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	129 Entry = DstTy;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	130 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	131 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	132
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	133 // Okay, we have two types with identical kinds that we haven't seen before.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	134
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	135 // If this is an opaque struct type, special case it.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	136 if (StructType *SSTy = dyn_cast<StructType>(SrcTy)) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	137 // Mapping an opaque type to any struct, just keep the dest struct.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	138 if (SSTy->isOpaque()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	139 Entry = DstTy;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	140 SpeculativeTypes.push_back(SrcTy);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	141 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	142 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	143
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	144 // Mapping a non-opaque source type to an opaque dest. If this is the first
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	145 // type that we're mapping onto this destination type then we succeed. Keep
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	146 // the dest, but fill it in later. This doesn't need to be speculative. If
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	147 // this is the second (different) type that we're trying to map onto the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	148 // same opaque type then we fail.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	149 if (cast<StructType>(DstTy)->isOpaque()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	150 // We can only map one source type onto the opaque destination type.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	151 if (!DstResolvedOpaqueTypes.insert(cast<StructType>(DstTy)))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	152 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	153 SrcDefinitionsToResolve.push_back(SSTy);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	154 Entry = DstTy;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	155 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	156 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	157 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	158
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	159 // If the number of subtypes disagree between the two types, then we fail.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	160 if (SrcTy->getNumContainedTypes() != DstTy->getNumContainedTypes())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	161 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	162
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	163 // Fail if any of the extra properties (e.g. array size) of the type disagree.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	164 if (isa<IntegerType>(DstTy))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	165 return false; // bitwidth disagrees.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	166 if (PointerType *PT = dyn_cast<PointerType>(DstTy)) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	167 if (PT->getAddressSpace() != cast<PointerType>(SrcTy)->getAddressSpace())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	168 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	169
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	170 } else if (FunctionType *FT = dyn_cast<FunctionType>(DstTy)) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	171 if (FT->isVarArg() != cast<FunctionType>(SrcTy)->isVarArg())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	172 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	173 } else if (StructType *DSTy = dyn_cast<StructType>(DstTy)) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	174 StructType *SSTy = cast<StructType>(SrcTy);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	175 if (DSTy->isLiteral() != SSTy->isLiteral() \|\|
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	176 DSTy->isPacked() != SSTy->isPacked())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	177 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	178 } else if (ArrayType *DATy = dyn_cast<ArrayType>(DstTy)) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	179 if (DATy->getNumElements() != cast<ArrayType>(SrcTy)->getNumElements())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	180 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	181 } else if (VectorType *DVTy = dyn_cast<VectorType>(DstTy)) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	182 if (DVTy->getNumElements() != cast<VectorType>(SrcTy)->getNumElements())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	183 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	184 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	185
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	186 // Otherwise, we speculate that these two types will line up and recursively
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	187 // check the subelements.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	188 Entry = DstTy;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	189 SpeculativeTypes.push_back(SrcTy);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	190
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	191 for (unsigned i = 0, e = SrcTy->getNumContainedTypes(); i != e; ++i)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	192 if (!areTypesIsomorphic(DstTy->getContainedType(i),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	193 SrcTy->getContainedType(i)))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	194 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	195
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	196 // If everything seems to have lined up, then everything is great.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	197 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	198 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	199
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	200 /// linkDefinedTypeBodies - Produce a body for an opaque type in the dest
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	201 /// module from a type definition in the source module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	202 void TypeMapTy::linkDefinedTypeBodies() {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	203 SmallVector<Type*, 16> Elements;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	204 SmallString<16> TmpName;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	205
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	206 // Note that processing entries in this loop (calling 'get') can add new
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	207 // entries to the SrcDefinitionsToResolve vector.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	208 while (!SrcDefinitionsToResolve.empty()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	209 StructType *SrcSTy = SrcDefinitionsToResolve.pop_back_val();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	210 StructType *DstSTy = cast<StructType>(MappedTypes[SrcSTy]);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	211
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	212 // TypeMap is a many-to-one mapping, if there were multiple types that
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	213 // provide a body for DstSTy then previous iterations of this loop may have
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	214 // already handled it. Just ignore this case.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	215 if (!DstSTy->isOpaque()) continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	216 assert(!SrcSTy->isOpaque() && "Not resolving a definition?");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	217
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	218 // Map the body of the source type over to a new body for the dest type.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	219 Elements.resize(SrcSTy->getNumElements());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	220 for (unsigned i = 0, e = Elements.size(); i != e; ++i)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	221 Elements[i] = getImpl(SrcSTy->getElementType(i));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	222
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	223 DstSTy->setBody(Elements, SrcSTy->isPacked());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	224
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	225 // If DstSTy has no name or has a longer name than STy, then viciously steal
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	226 // STy's name.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	227 if (!SrcSTy->hasName()) continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	228 StringRef SrcName = SrcSTy->getName();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	229
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	230 if (!DstSTy->hasName() \|\| DstSTy->getName().size() > SrcName.size()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	231 TmpName.insert(TmpName.end(), SrcName.begin(), SrcName.end());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	232 SrcSTy->setName("");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	233 DstSTy->setName(TmpName.str());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	234 TmpName.clear();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	235 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	236 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	237
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	238 DstResolvedOpaqueTypes.clear();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	239 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	240
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	241 /// get - Return the mapped type to use for the specified input type from the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	242 /// source module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	243 Type TypeMapTy::get(Type Ty) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	244 Type *Result = getImpl(Ty);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	245
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	246 // If this caused a reference to any struct type, resolve it before returning.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	247 if (!SrcDefinitionsToResolve.empty())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	248 linkDefinedTypeBodies();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	249 return Result;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	250 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	251
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	252 /// getImpl - This is the recursive version of get().
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	253 Type TypeMapTy::getImpl(Type Ty) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	254 // If we already have an entry for this type, return it.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	255 Type **Entry = &MappedTypes[Ty];
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	256 if (Entry) return Entry;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	257
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	258 // If this is not a named struct type, then just map all of the elements and
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	259 // then rebuild the type from inside out.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	260 if (!isa<StructType>(Ty) \|\| cast<StructType>(Ty)->isLiteral()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	261 // If there are no element types to map, then the type is itself. This is
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	262 // true for the anonymous {} struct, things like 'float', integers, etc.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	263 if (Ty->getNumContainedTypes() == 0)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	264 return *Entry = Ty;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	265
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	266 // Remap all of the elements, keeping track of whether any of them change.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	267 bool AnyChange = false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	268 SmallVector<Type*, 4> ElementTypes;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	269 ElementTypes.resize(Ty->getNumContainedTypes());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	270 for (unsigned i = 0, e = Ty->getNumContainedTypes(); i != e; ++i) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	271 ElementTypes[i] = getImpl(Ty->getContainedType(i));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	272 AnyChange \|= ElementTypes[i] != Ty->getContainedType(i);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	273 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	274
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	275 // If we found our type while recursively processing stuff, just use it.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	276 Entry = &MappedTypes[Ty];
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	277 if (Entry) return Entry;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	278
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	279 // If all of the element types mapped directly over, then the type is usable
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	280 // as-is.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	281 if (!AnyChange)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	282 return *Entry = Ty;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	283
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	284 // Otherwise, rebuild a modified type.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	285 switch (Ty->getTypeID()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	286 default: llvm_unreachable("unknown derived type to remap");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	287 case Type::ArrayTyID:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	288 return *Entry = ArrayType::get(ElementTypes[0],
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	289 cast<ArrayType>(Ty)->getNumElements());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	290 case Type::VectorTyID:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	291 return *Entry = VectorType::get(ElementTypes[0],
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	292 cast<VectorType>(Ty)->getNumElements());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	293 case Type::PointerTyID:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	294 return *Entry = PointerType::get(ElementTypes[0],
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	295 cast<PointerType>(Ty)->getAddressSpace());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	296 case Type::FunctionTyID:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	297 return *Entry = FunctionType::get(ElementTypes[0],
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	298 makeArrayRef(ElementTypes).slice(1),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	299 cast<FunctionType>(Ty)->isVarArg());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	300 case Type::StructTyID:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	301 // Note that this is only reached for anonymous structs.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	302 return *Entry = StructType::get(Ty->getContext(), ElementTypes,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	303 cast<StructType>(Ty)->isPacked());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	304 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	305 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	306
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	307 // Otherwise, this is an unmapped named struct. If the struct can be directly
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	308 // mapped over, just use it as-is. This happens in a case when the linked-in
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	309 // module has something like:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	310 // %T = type {%T*, i32}
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	311 // @GV = global %T* null
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	312 // where T does not exist at all in the destination module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	313 //
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	314 // The other case we watch for is when the type is not in the destination
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	315 // module, but that it has to be rebuilt because it refers to something that
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	316 // is already mapped. For example, if the destination module has:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	317 // %A = type { i32 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	318 // and the source module has something like
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	319 // %A' = type { i32 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	320 // %B = type { %A'* }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	321 // @GV = global %B* null
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	322 // then we want to create a new type: "%B = type { %A*}" and have it take the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	323 // pristine "%B" name from the source module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	324 //
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	325 // To determine which case this is, we have to recursively walk the type graph
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	326 // speculating that we'll be able to reuse it unmodified. Only if this is
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	327 // safe would we map the entire thing over. Because this is an optimization,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	328 // and is not required for the prettiness of the linked module, we just skip
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	329 // it and always rebuild a type here.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	330 StructType *STy = cast<StructType>(Ty);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	331
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	332 // If the type is opaque, we can just use it directly.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	333 if (STy->isOpaque()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	334 // A named structure type from src module is used. Add it to the Set of
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	335 // identified structs in the destination module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	336 DstStructTypesSet.insert(STy);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	337 return *Entry = STy;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	338 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	339
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	340 // Otherwise we create a new type and resolve its body later. This will be
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	341 // resolved by the top level of get().
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	342 SrcDefinitionsToResolve.push_back(STy);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	343 StructType *DTy = StructType::create(STy->getContext());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	344 // A new identified structure type was created. Add it to the set of
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	345 // identified structs in the destination module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	346 DstStructTypesSet.insert(DTy);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	347 DstResolvedOpaqueTypes.insert(DTy);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	348 return *Entry = DTy;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	349 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	350
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	351 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	352 // ModuleLinker implementation.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	353 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	354
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	355 namespace {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	356 /// ModuleLinker - This is an implementation class for the LinkModules
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	357 /// function, which is the entrypoint for this file.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	358 class ModuleLinker {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	359 Module DstM, SrcM;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	360
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	361 TypeMapTy TypeMap;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	362
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	363 /// ValueMap - Mapping of values from what they used to be in Src, to what
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	364 /// they are now in DstM. ValueToValueMapTy is a ValueMap, which involves
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	365 /// some overhead due to the use of Value handles which the Linker doesn't
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	366 /// actually need, but this allows us to reuse the ValueMapper code.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	367 ValueToValueMapTy ValueMap;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	368
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	369 struct AppendingVarInfo {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	370 GlobalVariable *NewGV; // New aggregate global in dest module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	371 Constant *DstInit; // Old initializer from dest module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	372 Constant *SrcInit; // Old initializer from src module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	373 };
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	374
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	375 std::vector<AppendingVarInfo> AppendingVars;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	376
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	377 unsigned Mode; // Mode to treat source module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	378
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	379 // Set of items not to link in from source.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	380 SmallPtrSet<const Value*, 16> DoNotLinkFromSource;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	381
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	382 // Vector of functions to lazily link in.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	383 std::vector<Function*> LazilyLinkFunctions;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	384
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	385 public:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	386 std::string ErrorMsg;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	387
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	388 ModuleLinker(Module dstM, TypeSet &Set, Module srcM, unsigned mode)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	389 : DstM(dstM), SrcM(srcM), TypeMap(Set), Mode(mode) { }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	390
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	391 bool run();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	392
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	393 private:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	394 /// emitError - Helper method for setting a message and returning an error
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	395 /// code.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	396 bool emitError(const Twine &Message) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	397 ErrorMsg = Message.str();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	398 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	399 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	400
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	401 /// getLinkageResult - This analyzes the two global values and determines
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	402 /// what the result will look like in the destination module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	403 bool getLinkageResult(GlobalValue Dest, const GlobalValue Src,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	404 GlobalValue::LinkageTypes &LT,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	405 GlobalValue::VisibilityTypes &Vis,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	406 bool &LinkFromSrc);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	407
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	408 /// getLinkedToGlobal - Given a global in the source module, return the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	409 /// global in the destination module that is being linked to, if any.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	410 GlobalValue getLinkedToGlobal(GlobalValue SrcGV) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	411 // If the source has no name it can't link. If it has local linkage,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	412 // there is no name match-up going on.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	413 if (!SrcGV->hasName() \|\| SrcGV->hasLocalLinkage())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	414 return 0;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	415
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	416 // Otherwise see if we have a match in the destination module's symtab.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	417 GlobalValue *DGV = DstM->getNamedValue(SrcGV->getName());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	418 if (DGV == 0) return 0;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	419
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	420 // If we found a global with the same name in the dest module, but it has
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	421 // internal linkage, we are really not doing any linkage here.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	422 if (DGV->hasLocalLinkage())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	423 return 0;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	424
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	425 // Otherwise, we do in fact link to the destination global.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	426 return DGV;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	427 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	428
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	429 void computeTypeMapping();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	430
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	431 bool linkAppendingVarProto(GlobalVariable DstGV, GlobalVariable SrcGV);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	432 bool linkGlobalProto(GlobalVariable *SrcGV);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	433 bool linkFunctionProto(Function *SrcF);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	434 bool linkAliasProto(GlobalAlias *SrcA);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	435 bool linkModuleFlagsMetadata();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	436
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	437 void linkAppendingVarInit(const AppendingVarInfo &AVI);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	438 void linkGlobalInits();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	439 void linkFunctionBody(Function Dst, Function Src);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	440 void linkAliasBodies();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	441 void linkNamedMDNodes();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	442 };
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	443 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	444
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	445 /// forceRenaming - The LLVM SymbolTable class autorenames globals that conflict
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	446 /// in the symbol table. This is good for all clients except for us. Go
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	447 /// through the trouble to force this back.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	448 static void forceRenaming(GlobalValue *GV, StringRef Name) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	449 // If the global doesn't force its name or if it already has the right name,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	450 // there is nothing for us to do.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	451 if (GV->hasLocalLinkage() \|\| GV->getName() == Name)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	452 return;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	453
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	454 Module *M = GV->getParent();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	455
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	456 // If there is a conflict, rename the conflict.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	457 if (GlobalValue *ConflictGV = M->getNamedValue(Name)) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	458 GV->takeName(ConflictGV);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	459 ConflictGV->setName(Name); // This will cause ConflictGV to get renamed
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	460 assert(ConflictGV->getName() != Name && "forceRenaming didn't work");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	461 } else {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	462 GV->setName(Name); // Force the name back
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	463 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	464 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	465
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	466 /// copyGVAttributes - copy additional attributes (those not needed to construct
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	467 /// a GlobalValue) from the SrcGV to the DestGV.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	468 static void copyGVAttributes(GlobalValue DestGV, const GlobalValue SrcGV) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	469 // Use the maximum alignment, rather than just copying the alignment of SrcGV.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	470 unsigned Alignment = std::max(DestGV->getAlignment(), SrcGV->getAlignment());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	471 DestGV->copyAttributesFrom(SrcGV);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	472 DestGV->setAlignment(Alignment);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	473
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	474 forceRenaming(DestGV, SrcGV->getName());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	475 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	476
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	477 static bool isLessConstraining(GlobalValue::VisibilityTypes a,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	478 GlobalValue::VisibilityTypes b) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	479 if (a == GlobalValue::HiddenVisibility)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	480 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	481 if (b == GlobalValue::HiddenVisibility)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	482 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	483 if (a == GlobalValue::ProtectedVisibility)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	484 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	485 if (b == GlobalValue::ProtectedVisibility)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	486 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	487 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	488 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	489
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	490 /// getLinkageResult - This analyzes the two global values and determines what
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	491 /// the result will look like in the destination module. In particular, it
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	492 /// computes the resultant linkage type and visibility, computes whether the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	493 /// global in the source should be copied over to the destination (replacing
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	494 /// the existing one), and computes whether this linkage is an error or not.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	495 bool ModuleLinker::getLinkageResult(GlobalValue Dest, const GlobalValue Src,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	496 GlobalValue::LinkageTypes &LT,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	497 GlobalValue::VisibilityTypes &Vis,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	498 bool &LinkFromSrc) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	499 assert(Dest && "Must have two globals being queried");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	500 assert(!Src->hasLocalLinkage() &&
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	501 "If Src has internal linkage, Dest shouldn't be set!");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	502
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	503 bool SrcIsDeclaration = Src->isDeclaration() && !Src->isMaterializable();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	504 bool DestIsDeclaration = Dest->isDeclaration();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	505
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	506 if (SrcIsDeclaration) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	507 // If Src is external or if both Src & Dest are external.. Just link the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	508 // external globals, we aren't adding anything.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	509 if (Src->hasDLLImportLinkage()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	510 // If one of GVs has DLLImport linkage, result should be dllimport'ed.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	511 if (DestIsDeclaration) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	512 LinkFromSrc = true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	513 LT = Src->getLinkage();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	514 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	515 } else if (Dest->hasExternalWeakLinkage()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	516 // If the Dest is weak, use the source linkage.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	517 LinkFromSrc = true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	518 LT = Src->getLinkage();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	519 } else {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	520 LinkFromSrc = false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	521 LT = Dest->getLinkage();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	522 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	523 } else if (DestIsDeclaration && !Dest->hasDLLImportLinkage()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	524 // If Dest is external but Src is not:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	525 LinkFromSrc = true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	526 LT = Src->getLinkage();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	527 } else if (Src->isWeakForLinker()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	528 // At this point we know that Dest has LinkOnce, External*, Weak, Common,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	529 // or DLL* linkage.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	530 if (Dest->hasExternalWeakLinkage() \|\|
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	531 Dest->hasAvailableExternallyLinkage() \|\|
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	532 (Dest->hasLinkOnceLinkage() &&
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	533 (Src->hasWeakLinkage() \|\| Src->hasCommonLinkage()))) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	534 LinkFromSrc = true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	535 LT = Src->getLinkage();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	536 } else {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	537 LinkFromSrc = false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	538 LT = Dest->getLinkage();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	539 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	540 } else if (Dest->isWeakForLinker()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	541 // At this point we know that Src has External* or DLL* linkage.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	542 if (Src->hasExternalWeakLinkage()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	543 LinkFromSrc = false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	544 LT = Dest->getLinkage();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	545 } else {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	546 LinkFromSrc = true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	547 LT = GlobalValue::ExternalLinkage;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	548 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	549 } else {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	550 assert((Dest->hasExternalLinkage() \|\| Dest->hasDLLImportLinkage() \|\|
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	551 Dest->hasDLLExportLinkage() \|\| Dest->hasExternalWeakLinkage()) &&
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	552 (Src->hasExternalLinkage() \|\| Src->hasDLLImportLinkage() \|\|
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	553 Src->hasDLLExportLinkage() \|\| Src->hasExternalWeakLinkage()) &&
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	554 "Unexpected linkage type!");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	555 return emitError("Linking globals named '" + Src->getName() +
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	556 "': symbol multiply defined!");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	557 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	558
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	559 // Compute the visibility. We follow the rules in the System V Application
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	560 // Binary Interface.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	561 Vis = isLessConstraining(Src->getVisibility(), Dest->getVisibility()) ?
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	562 Dest->getVisibility() : Src->getVisibility();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	563 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	564 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	565
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	566 /// computeTypeMapping - Loop over all of the linked values to compute type
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	567 /// mappings. For example, if we link "extern Foo x" and "Foo x = NULL", then
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	568 /// we have two struct types 'Foo' but one got renamed when the module was
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	569 /// loaded into the same LLVMContext.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	570 void ModuleLinker::computeTypeMapping() {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	571 // Incorporate globals.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	572 for (Module::global_iterator I = SrcM->global_begin(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	573 E = SrcM->global_end(); I != E; ++I) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	574 GlobalValue *DGV = getLinkedToGlobal(I);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	575 if (DGV == 0) continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	576
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	577 if (!DGV->hasAppendingLinkage() \|\| !I->hasAppendingLinkage()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	578 TypeMap.addTypeMapping(DGV->getType(), I->getType());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	579 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	580 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	581
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	582 // Unify the element type of appending arrays.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	583 ArrayType *DAT = cast<ArrayType>(DGV->getType()->getElementType());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	584 ArrayType *SAT = cast<ArrayType>(I->getType()->getElementType());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	585 TypeMap.addTypeMapping(DAT->getElementType(), SAT->getElementType());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	586 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	587
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	588 // Incorporate functions.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	589 for (Module::iterator I = SrcM->begin(), E = SrcM->end(); I != E; ++I) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	590 if (GlobalValue *DGV = getLinkedToGlobal(I))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	591 TypeMap.addTypeMapping(DGV->getType(), I->getType());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	592 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	593
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	594 // Incorporate types by name, scanning all the types in the source module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	595 // At this point, the destination module may have a type "%foo = { i32 }" for
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	596 // example. When the source module got loaded into the same LLVMContext, if
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	597 // it had the same type, it would have been renamed to "%foo.42 = { i32 }".
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	598 TypeFinder SrcStructTypes;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	599 SrcStructTypes.run(*SrcM, true);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	600 SmallPtrSet<StructType*, 32> SrcStructTypesSet(SrcStructTypes.begin(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	601 SrcStructTypes.end());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	602
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	603 for (unsigned i = 0, e = SrcStructTypes.size(); i != e; ++i) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	604 StructType *ST = SrcStructTypes[i];
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	605 if (!ST->hasName()) continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	606
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	607 // Check to see if there is a dot in the name followed by a digit.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	608 size_t DotPos = ST->getName().rfind('.');
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	609 if (DotPos == 0 \|\| DotPos == StringRef::npos \|\|
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	610 ST->getName().back() == '.' \|\|
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	611 !isdigit(static_cast<unsigned char>(ST->getName()[DotPos+1])))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	612 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	613
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	614 // Check to see if the destination module has a struct with the prefix name.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	615 if (StructType *DST = DstM->getTypeByName(ST->getName().substr(0, DotPos)))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	616 // Don't use it if this actually came from the source module. They're in
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	617 // the same LLVMContext after all. Also don't use it unless the type is
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	618 // actually used in the destination module. This can happen in situations
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	619 // like this:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	620 //
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	621 // Module A Module B
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	622 // -------- --------
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	623 // %Z = type { %A } %B = type { %C.1 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	624 // %A = type { %B.1, [7 x i8] } %C.1 = type { i8* }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	625 // %B.1 = type { %C } %A.2 = type { %B.3, [5 x i8] }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	626 // %C = type { i8* } %B.3 = type { %C.1 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	627 //
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	628 // When we link Module B with Module A, the '%B' in Module B is
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	629 // used. However, that would then use '%C.1'. But when we process '%C.1',
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	630 // we prefer to take the '%C' version. So we are then left with both
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	631 // '%C.1' and '%C' being used for the same types. This leads to some
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	632 // variables using one type and some using the other.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	633 if (!SrcStructTypesSet.count(DST) && TypeMap.DstStructTypesSet.count(DST))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	634 TypeMap.addTypeMapping(DST, ST);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	635 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	636
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	637 // Don't bother incorporating aliases, they aren't generally typed well.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	638
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	639 // Now that we have discovered all of the type equivalences, get a body for
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	640 // any 'opaque' types in the dest module that are now resolved.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	641 TypeMap.linkDefinedTypeBodies();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	642 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	643
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	644 /// linkAppendingVarProto - If there were any appending global variables, link
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	645 /// them together now. Return true on error.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	646 bool ModuleLinker::linkAppendingVarProto(GlobalVariable *DstGV,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	647 GlobalVariable *SrcGV) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	648
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	649 if (!SrcGV->hasAppendingLinkage() \|\| !DstGV->hasAppendingLinkage())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	650 return emitError("Linking globals named '" + SrcGV->getName() +
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	651 "': can only link appending global with another appending global!");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	652
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	653 ArrayType *DstTy = cast<ArrayType>(DstGV->getType()->getElementType());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	654 ArrayType *SrcTy =
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	655 cast<ArrayType>(TypeMap.get(SrcGV->getType()->getElementType()));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	656 Type *EltTy = DstTy->getElementType();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	657
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	658 // Check to see that they two arrays agree on type.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	659 if (EltTy != SrcTy->getElementType())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	660 return emitError("Appending variables with different element types!");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	661 if (DstGV->isConstant() != SrcGV->isConstant())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	662 return emitError("Appending variables linked with different const'ness!");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	663
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	664 if (DstGV->getAlignment() != SrcGV->getAlignment())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	665 return emitError(
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	666 "Appending variables with different alignment need to be linked!");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	667
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	668 if (DstGV->getVisibility() != SrcGV->getVisibility())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	669 return emitError(
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	670 "Appending variables with different visibility need to be linked!");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	671
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	672 if (DstGV->getSection() != SrcGV->getSection())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	673 return emitError(
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	674 "Appending variables with different section name need to be linked!");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	675
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	676 uint64_t NewSize = DstTy->getNumElements() + SrcTy->getNumElements();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	677 ArrayType *NewType = ArrayType::get(EltTy, NewSize);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	678
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	679 // Create the new global variable.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	680 GlobalVariable *NG =
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	681 new GlobalVariable(*DstGV->getParent(), NewType, SrcGV->isConstant(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	682 DstGV->getLinkage(), /init/0, /name/"", DstGV,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	683 DstGV->getThreadLocalMode(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	684 DstGV->getType()->getAddressSpace());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	685
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	686 // Propagate alignment, visibility and section info.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	687 copyGVAttributes(NG, DstGV);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	688
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	689 AppendingVarInfo AVI;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	690 AVI.NewGV = NG;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	691 AVI.DstInit = DstGV->getInitializer();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	692 AVI.SrcInit = SrcGV->getInitializer();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	693 AppendingVars.push_back(AVI);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	694
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	695 // Replace any uses of the two global variables with uses of the new
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	696 // global.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	697 ValueMap[SrcGV] = ConstantExpr::getBitCast(NG, TypeMap.get(SrcGV->getType()));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	698
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	699 DstGV->replaceAllUsesWith(ConstantExpr::getBitCast(NG, DstGV->getType()));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	700 DstGV->eraseFromParent();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	701
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	702 // Track the source variable so we don't try to link it.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	703 DoNotLinkFromSource.insert(SrcGV);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	704
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	705 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	706 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	707
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	708 /// linkGlobalProto - Loop through the global variables in the src module and
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	709 /// merge them into the dest module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	710 bool ModuleLinker::linkGlobalProto(GlobalVariable *SGV) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	711 GlobalValue *DGV = getLinkedToGlobal(SGV);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	712 llvm::Optional<GlobalValue::VisibilityTypes> NewVisibility;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	713
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	714 if (DGV) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	715 // Concatenation of appending linkage variables is magic and handled later.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	716 if (DGV->hasAppendingLinkage() \|\| SGV->hasAppendingLinkage())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	717 return linkAppendingVarProto(cast<GlobalVariable>(DGV), SGV);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	718
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	719 // Determine whether linkage of these two globals follows the source
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	720 // module's definition or the destination module's definition.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	721 GlobalValue::LinkageTypes NewLinkage = GlobalValue::InternalLinkage;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	722 GlobalValue::VisibilityTypes NV;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	723 bool LinkFromSrc = false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	724 if (getLinkageResult(DGV, SGV, NewLinkage, NV, LinkFromSrc))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	725 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	726 NewVisibility = NV;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	727
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	728 // If we're not linking from the source, then keep the definition that we
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	729 // have.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	730 if (!LinkFromSrc) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	731 // Special case for const propagation.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	732 if (GlobalVariable *DGVar = dyn_cast<GlobalVariable>(DGV))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	733 if (DGVar->isDeclaration() && SGV->isConstant() && !DGVar->isConstant())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	734 DGVar->setConstant(true);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	735
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	736 // Set calculated linkage and visibility.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	737 DGV->setLinkage(NewLinkage);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	738 DGV->setVisibility(*NewVisibility);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	739
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	740 // Make sure to remember this mapping.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	741 ValueMap[SGV] = ConstantExpr::getBitCast(DGV,TypeMap.get(SGV->getType()));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	742
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	743 // Track the source global so that we don't attempt to copy it over when
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	744 // processing global initializers.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	745 DoNotLinkFromSource.insert(SGV);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	746
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	747 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	748 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	749 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	750
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	751 // No linking to be performed or linking from the source: simply create an
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	752 // identical version of the symbol over in the dest module... the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	753 // initializer will be filled in later by LinkGlobalInits.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	754 GlobalVariable *NewDGV =
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	755 new GlobalVariable(*DstM, TypeMap.get(SGV->getType()->getElementType()),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	756 SGV->isConstant(), SGV->getLinkage(), /init/0,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	757 SGV->getName(), /insertbefore/0,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	758 SGV->getThreadLocalMode(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	759 SGV->getType()->getAddressSpace());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	760 // Propagate alignment, visibility and section info.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	761 copyGVAttributes(NewDGV, SGV);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	762 if (NewVisibility)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	763 NewDGV->setVisibility(*NewVisibility);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	764
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	765 if (DGV) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	766 DGV->replaceAllUsesWith(ConstantExpr::getBitCast(NewDGV, DGV->getType()));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	767 DGV->eraseFromParent();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	768 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	769
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	770 // Make sure to remember this mapping.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	771 ValueMap[SGV] = NewDGV;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	772 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	773 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	774
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	775 /// linkFunctionProto - Link the function in the source module into the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	776 /// destination module if needed, setting up mapping information.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	777 bool ModuleLinker::linkFunctionProto(Function *SF) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	778 GlobalValue *DGV = getLinkedToGlobal(SF);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	779 llvm::Optional<GlobalValue::VisibilityTypes> NewVisibility;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	780
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	781 if (DGV) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	782 GlobalValue::LinkageTypes NewLinkage = GlobalValue::InternalLinkage;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	783 bool LinkFromSrc = false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	784 GlobalValue::VisibilityTypes NV;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	785 if (getLinkageResult(DGV, SF, NewLinkage, NV, LinkFromSrc))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	786 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	787 NewVisibility = NV;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	788
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	789 if (!LinkFromSrc) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	790 // Set calculated linkage
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	791 DGV->setLinkage(NewLinkage);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	792 DGV->setVisibility(*NewVisibility);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	793
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	794 // Make sure to remember this mapping.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	795 ValueMap[SF] = ConstantExpr::getBitCast(DGV, TypeMap.get(SF->getType()));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	796
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	797 // Track the function from the source module so we don't attempt to remap
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	798 // it.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	799 DoNotLinkFromSource.insert(SF);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	800
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	801 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	802 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	803 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	804
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	805 // If there is no linkage to be performed or we are linking from the source,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	806 // bring SF over.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	807 Function *NewDF = Function::Create(TypeMap.get(SF->getFunctionType()),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	808 SF->getLinkage(), SF->getName(), DstM);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	809 copyGVAttributes(NewDF, SF);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	810 if (NewVisibility)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	811 NewDF->setVisibility(*NewVisibility);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	812
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	813 if (DGV) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	814 // Any uses of DF need to change to NewDF, with cast.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	815 DGV->replaceAllUsesWith(ConstantExpr::getBitCast(NewDF, DGV->getType()));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	816 DGV->eraseFromParent();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	817 } else {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	818 // Internal, LO_ODR, or LO linkage - stick in set to ignore and lazily link.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	819 if (SF->hasLocalLinkage() \|\| SF->hasLinkOnceLinkage() \|\|
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	820 SF->hasAvailableExternallyLinkage()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	821 DoNotLinkFromSource.insert(SF);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	822 LazilyLinkFunctions.push_back(SF);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	823 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	824 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	825
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	826 ValueMap[SF] = NewDF;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	827 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	828 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	829
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	830 /// LinkAliasProto - Set up prototypes for any aliases that come over from the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	831 /// source module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	832 bool ModuleLinker::linkAliasProto(GlobalAlias *SGA) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	833 GlobalValue *DGV = getLinkedToGlobal(SGA);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	834 llvm::Optional<GlobalValue::VisibilityTypes> NewVisibility;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	835
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	836 if (DGV) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	837 GlobalValue::LinkageTypes NewLinkage = GlobalValue::InternalLinkage;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	838 GlobalValue::VisibilityTypes NV;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	839 bool LinkFromSrc = false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	840 if (getLinkageResult(DGV, SGA, NewLinkage, NV, LinkFromSrc))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	841 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	842 NewVisibility = NV;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	843
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	844 if (!LinkFromSrc) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	845 // Set calculated linkage.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	846 DGV->setLinkage(NewLinkage);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	847 DGV->setVisibility(*NewVisibility);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	848
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	849 // Make sure to remember this mapping.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	850 ValueMap[SGA] = ConstantExpr::getBitCast(DGV,TypeMap.get(SGA->getType()));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	851
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	852 // Track the alias from the source module so we don't attempt to remap it.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	853 DoNotLinkFromSource.insert(SGA);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	854
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	855 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	856 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	857 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	858
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	859 // If there is no linkage to be performed or we're linking from the source,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	860 // bring over SGA.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	861 GlobalAlias *NewDA = new GlobalAlias(TypeMap.get(SGA->getType()),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	862 SGA->getLinkage(), SGA->getName(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	863 /aliasee/0, DstM);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	864 copyGVAttributes(NewDA, SGA);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	865 if (NewVisibility)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	866 NewDA->setVisibility(*NewVisibility);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	867
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	868 if (DGV) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	869 // Any uses of DGV need to change to NewDA, with cast.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	870 DGV->replaceAllUsesWith(ConstantExpr::getBitCast(NewDA, DGV->getType()));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	871 DGV->eraseFromParent();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	872 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	873
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	874 ValueMap[SGA] = NewDA;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	875 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	876 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	877
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	878 static void getArrayElements(Constant C, SmallVectorImpl<Constant> &Dest) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	879 unsigned NumElements = cast<ArrayType>(C->getType())->getNumElements();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	880
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	881 for (unsigned i = 0; i != NumElements; ++i)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	882 Dest.push_back(C->getAggregateElement(i));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	883 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	884
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	885 void ModuleLinker::linkAppendingVarInit(const AppendingVarInfo &AVI) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	886 // Merge the initializer.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	887 SmallVector<Constant*, 16> Elements;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	888 getArrayElements(AVI.DstInit, Elements);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	889
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	890 Constant *SrcInit = MapValue(AVI.SrcInit, ValueMap, RF_None, &TypeMap);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	891 getArrayElements(SrcInit, Elements);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	892
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	893 ArrayType *NewType = cast<ArrayType>(AVI.NewGV->getType()->getElementType());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	894 AVI.NewGV->setInitializer(ConstantArray::get(NewType, Elements));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	895 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	896
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	897 /// linkGlobalInits - Update the initializers in the Dest module now that all
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	898 /// globals that may be referenced are in Dest.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	899 void ModuleLinker::linkGlobalInits() {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	900 // Loop over all of the globals in the src module, mapping them over as we go
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	901 for (Module::const_global_iterator I = SrcM->global_begin(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	902 E = SrcM->global_end(); I != E; ++I) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	903
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	904 // Only process initialized GV's or ones not already in dest.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	905 if (!I->hasInitializer() \|\| DoNotLinkFromSource.count(I)) continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	906
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	907 // Grab destination global variable.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	908 GlobalVariable *DGV = cast<GlobalVariable>(ValueMap[I]);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	909 // Figure out what the initializer looks like in the dest module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	910 DGV->setInitializer(MapValue(I->getInitializer(), ValueMap,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	911 RF_None, &TypeMap));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	912 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	913 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	914
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	915 /// linkFunctionBody - Copy the source function over into the dest function and
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	916 /// fix up references to values. At this point we know that Dest is an external
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	917 /// function, and that Src is not.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	918 void ModuleLinker::linkFunctionBody(Function Dst, Function Src) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	919 assert(Src && Dst && Dst->isDeclaration() && !Src->isDeclaration());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	920
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	921 // Go through and convert function arguments over, remembering the mapping.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	922 Function::arg_iterator DI = Dst->arg_begin();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	923 for (Function::arg_iterator I = Src->arg_begin(), E = Src->arg_end();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	924 I != E; ++I, ++DI) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	925 DI->setName(I->getName()); // Copy the name over.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	926
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	927 // Add a mapping to our mapping.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	928 ValueMap[I] = DI;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	929 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	930
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	931 if (Mode == Linker::DestroySource) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	932 // Splice the body of the source function into the dest function.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	933 Dst->getBasicBlockList().splice(Dst->end(), Src->getBasicBlockList());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	934
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	935 // At this point, all of the instructions and values of the function are now
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	936 // copied over. The only problem is that they are still referencing values in
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	937 // the Source function as operands. Loop through all of the operands of the
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	938 // functions and patch them up to point to the local versions.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	939 for (Function::iterator BB = Dst->begin(), BE = Dst->end(); BB != BE; ++BB)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	940 for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ++I)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	941 RemapInstruction(I, ValueMap, RF_IgnoreMissingEntries, &TypeMap);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	942
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	943 } else {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	944 // Clone the body of the function into the dest function.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	945 SmallVector<ReturnInst*, 8> Returns; // Ignore returns.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	946 CloneFunctionInto(Dst, Src, ValueMap, false, Returns, "", NULL, &TypeMap);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	947 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	948
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	949 // There is no need to map the arguments anymore.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	950 for (Function::arg_iterator I = Src->arg_begin(), E = Src->arg_end();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	951 I != E; ++I)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	952 ValueMap.erase(I);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	953
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	954 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	955
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	956 /// linkAliasBodies - Insert all of the aliases in Src into the Dest module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	957 void ModuleLinker::linkAliasBodies() {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	958 for (Module::alias_iterator I = SrcM->alias_begin(), E = SrcM->alias_end();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	959 I != E; ++I) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	960 if (DoNotLinkFromSource.count(I))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	961 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	962 if (Constant *Aliasee = I->getAliasee()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	963 GlobalAlias *DA = cast<GlobalAlias>(ValueMap[I]);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	964 DA->setAliasee(MapValue(Aliasee, ValueMap, RF_None, &TypeMap));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	965 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	966 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	967 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	968
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	969 /// linkNamedMDNodes - Insert all of the named MDNodes in Src into the Dest
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	970 /// module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	971 void ModuleLinker::linkNamedMDNodes() {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	972 const NamedMDNode *SrcModFlags = SrcM->getModuleFlagsMetadata();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	973 for (Module::const_named_metadata_iterator I = SrcM->named_metadata_begin(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	974 E = SrcM->named_metadata_end(); I != E; ++I) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	975 // Don't link module flags here. Do them separately.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	976 if (&*I == SrcModFlags) continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	977 NamedMDNode *DestNMD = DstM->getOrInsertNamedMetadata(I->getName());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	978 // Add Src elements into Dest node.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	979 for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	980 DestNMD->addOperand(MapValue(I->getOperand(i), ValueMap,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	981 RF_None, &TypeMap));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	982 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	983 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	984
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	985 /// linkModuleFlagsMetadata - Merge the linker flags in Src into the Dest
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	986 /// module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	987 bool ModuleLinker::linkModuleFlagsMetadata() {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	988 // If the source module has no module flags, we are done.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	989 const NamedMDNode *SrcModFlags = SrcM->getModuleFlagsMetadata();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	990 if (!SrcModFlags) return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	991
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	992 // If the destination module doesn't have module flags yet, then just copy
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	993 // over the source module's flags.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	994 NamedMDNode *DstModFlags = DstM->getOrInsertModuleFlagsMetadata();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	995 if (DstModFlags->getNumOperands() == 0) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	996 for (unsigned I = 0, E = SrcModFlags->getNumOperands(); I != E; ++I)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	997 DstModFlags->addOperand(SrcModFlags->getOperand(I));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	998
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	999 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1000 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1001
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1002 // First build a map of the existing module flags and requirements.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1003 DenseMap<MDString, MDNode> Flags;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1004 SmallSetVector<MDNode*, 16> Requirements;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1005 for (unsigned I = 0, E = DstModFlags->getNumOperands(); I != E; ++I) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1006 MDNode *Op = DstModFlags->getOperand(I);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1007 ConstantInt *Behavior = cast<ConstantInt>(Op->getOperand(0));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1008 MDString *ID = cast<MDString>(Op->getOperand(1));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1009
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1010 if (Behavior->getZExtValue() == Module::Require) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1011 Requirements.insert(cast<MDNode>(Op->getOperand(2)));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1012 } else {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1013 Flags[ID] = Op;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1014 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1015 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1016
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1017 // Merge in the flags from the source module, and also collect its set of
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1018 // requirements.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1019 bool HasErr = false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1020 for (unsigned I = 0, E = SrcModFlags->getNumOperands(); I != E; ++I) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1021 MDNode *SrcOp = SrcModFlags->getOperand(I);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1022 ConstantInt *SrcBehavior = cast<ConstantInt>(SrcOp->getOperand(0));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1023 MDString *ID = cast<MDString>(SrcOp->getOperand(1));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1024 MDNode *DstOp = Flags.lookup(ID);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1025 unsigned SrcBehaviorValue = SrcBehavior->getZExtValue();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1026
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1027 // If this is a requirement, add it and continue.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1028 if (SrcBehaviorValue == Module::Require) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1029 // If the destination module does not already have this requirement, add
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1030 // it.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1031 if (Requirements.insert(cast<MDNode>(SrcOp->getOperand(2)))) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1032 DstModFlags->addOperand(SrcOp);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1033 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1034 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1035 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1036
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1037 // If there is no existing flag with this ID, just add it.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1038 if (!DstOp) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1039 Flags[ID] = SrcOp;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1040 DstModFlags->addOperand(SrcOp);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1041 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1042 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1043
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1044 // Otherwise, perform a merge.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1045 ConstantInt *DstBehavior = cast<ConstantInt>(DstOp->getOperand(0));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1046 unsigned DstBehaviorValue = DstBehavior->getZExtValue();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1047
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1048 // If either flag has override behavior, handle it first.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1049 if (DstBehaviorValue == Module::Override) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1050 // Diagnose inconsistent flags which both have override behavior.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1051 if (SrcBehaviorValue == Module::Override &&
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1052 SrcOp->getOperand(2) != DstOp->getOperand(2)) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1053 HasErr \|= emitError("linking module flags '" + ID->getString() +
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1054 "': IDs have conflicting override values");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1055 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1056 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1057 } else if (SrcBehaviorValue == Module::Override) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1058 // Update the destination flag to that of the source.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1059 DstOp->replaceOperandWith(0, SrcBehavior);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1060 DstOp->replaceOperandWith(2, SrcOp->getOperand(2));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1061 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1062 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1063
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1064 // Diagnose inconsistent merge behavior types.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1065 if (SrcBehaviorValue != DstBehaviorValue) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1066 HasErr \|= emitError("linking module flags '" + ID->getString() +
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1067 "': IDs have conflicting behaviors");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1068 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1069 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1070
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1071 // Perform the merge for standard behavior types.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1072 switch (SrcBehaviorValue) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1073 case Module::Require:
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1074 case Module::Override: assert(0 && "not possible"); break;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1075 case Module::Error: {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1076 // Emit an error if the values differ.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1077 if (SrcOp->getOperand(2) != DstOp->getOperand(2)) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1078 HasErr \|= emitError("linking module flags '" + ID->getString() +
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1079 "': IDs have conflicting values");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1080 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1081 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1082 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1083 case Module::Warning: {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1084 // Emit a warning if the values differ.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1085 if (SrcOp->getOperand(2) != DstOp->getOperand(2)) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1086 errs() << "WARNING: linking module flags '" << ID->getString()
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1087 << "': IDs have conflicting values";
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1088 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1089 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1090 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1091 case Module::Append: {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1092 MDNode *DstValue = cast<MDNode>(DstOp->getOperand(2));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1093 MDNode *SrcValue = cast<MDNode>(SrcOp->getOperand(2));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1094 unsigned NumOps = DstValue->getNumOperands() + SrcValue->getNumOperands();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1095 Value VP, Values = VP = new Value*[NumOps];
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1096 for (unsigned i = 0, e = DstValue->getNumOperands(); i != e; ++i, ++VP)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1097 *VP = DstValue->getOperand(i);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1098 for (unsigned i = 0, e = SrcValue->getNumOperands(); i != e; ++i, ++VP)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1099 *VP = SrcValue->getOperand(i);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1100 DstOp->replaceOperandWith(2, MDNode::get(DstM->getContext(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1101 ArrayRef<Value*>(Values,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1102 NumOps)));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1103 delete[] Values;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1104 break;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1105 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1106 case Module::AppendUnique: {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1107 SmallSetVector<Value*, 16> Elts;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1108 MDNode *DstValue = cast<MDNode>(DstOp->getOperand(2));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1109 MDNode *SrcValue = cast<MDNode>(SrcOp->getOperand(2));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1110 for (unsigned i = 0, e = DstValue->getNumOperands(); i != e; ++i)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1111 Elts.insert(DstValue->getOperand(i));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1112 for (unsigned i = 0, e = SrcValue->getNumOperands(); i != e; ++i)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1113 Elts.insert(SrcValue->getOperand(i));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1114 DstOp->replaceOperandWith(2, MDNode::get(DstM->getContext(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1115 ArrayRef<Value*>(Elts.begin(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1116 Elts.end())));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1117 break;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1118 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1119 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1120 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1121
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1122 // Check all of the requirements.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1123 for (unsigned I = 0, E = Requirements.size(); I != E; ++I) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1124 MDNode *Requirement = Requirements[I];
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1125 MDString *Flag = cast<MDString>(Requirement->getOperand(0));
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1126 Value *ReqValue = Requirement->getOperand(1);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1127
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1128 MDNode *Op = Flags[Flag];
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1129 if (!Op \|\| Op->getOperand(2) != ReqValue) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1130 HasErr \|= emitError("linking module flags '" + Flag->getString() +
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1131 "': does not have the required value");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1132 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1133 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1134 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1135
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1136 return HasErr;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1137 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1138
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1139 bool ModuleLinker::run() {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1140 assert(DstM && "Null destination module");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1141 assert(SrcM && "Null source module");
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1142
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1143 // Inherit the target data from the source module if the destination module
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1144 // doesn't have one already.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1145 if (DstM->getDataLayout().empty() && !SrcM->getDataLayout().empty())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1146 DstM->setDataLayout(SrcM->getDataLayout());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1147
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1148 // Copy the target triple from the source to dest if the dest's is empty.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1149 if (DstM->getTargetTriple().empty() && !SrcM->getTargetTriple().empty())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1150 DstM->setTargetTriple(SrcM->getTargetTriple());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1151
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1152 if (!SrcM->getDataLayout().empty() && !DstM->getDataLayout().empty() &&
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1153 SrcM->getDataLayout() != DstM->getDataLayout())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1154 errs() << "WARNING: Linking two modules of different data layouts!\n";
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1155 if (!SrcM->getTargetTriple().empty() &&
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1156 DstM->getTargetTriple() != SrcM->getTargetTriple()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1157 errs() << "WARNING: Linking two modules of different target triples: ";
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1158 if (!SrcM->getModuleIdentifier().empty())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1159 errs() << SrcM->getModuleIdentifier() << ": ";
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1160 errs() << "'" << SrcM->getTargetTriple() << "' and '"
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1161 << DstM->getTargetTriple() << "'\n";
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1162 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1163
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1164 // Append the module inline asm string.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1165 if (!SrcM->getModuleInlineAsm().empty()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1166 if (DstM->getModuleInlineAsm().empty())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1167 DstM->setModuleInlineAsm(SrcM->getModuleInlineAsm());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1168 else
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1169 DstM->setModuleInlineAsm(DstM->getModuleInlineAsm()+"\n"+
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1170 SrcM->getModuleInlineAsm());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1171 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1172
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1173 // Loop over all of the linked values to compute type mappings.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1174 computeTypeMapping();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1175
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1176 // Insert all of the globals in src into the DstM module... without linking
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1177 // initializers (which could refer to functions not yet mapped over).
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1178 for (Module::global_iterator I = SrcM->global_begin(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1179 E = SrcM->global_end(); I != E; ++I)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1180 if (linkGlobalProto(I))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1181 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1182
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1183 // Link the functions together between the two modules, without doing function
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1184 // bodies... this just adds external function prototypes to the DstM
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1185 // function... We do this so that when we begin processing function bodies,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1186 // all of the global values that may be referenced are available in our
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1187 // ValueMap.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1188 for (Module::iterator I = SrcM->begin(), E = SrcM->end(); I != E; ++I)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1189 if (linkFunctionProto(I))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1190 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1191
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1192 // If there were any aliases, link them now.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1193 for (Module::alias_iterator I = SrcM->alias_begin(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1194 E = SrcM->alias_end(); I != E; ++I)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1195 if (linkAliasProto(I))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1196 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1197
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1198 for (unsigned i = 0, e = AppendingVars.size(); i != e; ++i)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1199 linkAppendingVarInit(AppendingVars[i]);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1200
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1201 // Update the initializers in the DstM module now that all globals that may
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1202 // be referenced are in DstM.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1203 linkGlobalInits();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1204
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1205 // Link in the function bodies that are defined in the source module into
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1206 // DstM.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1207 for (Module::iterator SF = SrcM->begin(), E = SrcM->end(); SF != E; ++SF) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1208 // Skip if not linking from source.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1209 if (DoNotLinkFromSource.count(SF)) continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1210
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1211 // Skip if no body (function is external) or materialize.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1212 if (SF->isDeclaration()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1213 if (!SF->isMaterializable())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1214 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1215 if (SF->Materialize(&ErrorMsg))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1216 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1217 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1218
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1219 linkFunctionBody(cast<Function>(ValueMap[SF]), SF);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1220 SF->Dematerialize();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1221 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1222
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1223 // Resolve all uses of aliases with aliasees.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1224 linkAliasBodies();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1225
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1226 // Remap all of the named MDNodes in Src into the DstM module. We do this
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1227 // after linking GlobalValues so that MDNodes that reference GlobalValues
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1228 // are properly remapped.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1229 linkNamedMDNodes();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1230
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1231 // Merge the module flags into the DstM module.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1232 if (linkModuleFlagsMetadata())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1233 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1234
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1235 // Process vector of lazily linked in functions.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1236 bool LinkedInAnyFunctions;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1237 do {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1238 LinkedInAnyFunctions = false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1239
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1240 for(std::vector<Function*>::iterator I = LazilyLinkFunctions.begin(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1241 E = LazilyLinkFunctions.end(); I != E; ++I) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1242 if (!*I)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1243 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1244
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1245 Function SF = I;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1246 Function *DF = cast<Function>(ValueMap[SF]);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1247
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1248 if (!DF->use_empty()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1249
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1250 // Materialize if necessary.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1251 if (SF->isDeclaration()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1252 if (!SF->isMaterializable())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1253 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1254 if (SF->Materialize(&ErrorMsg))
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1255 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1256 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1257
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1258 // Link in function body.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1259 linkFunctionBody(DF, SF);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1260 SF->Dematerialize();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1261
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1262 // "Remove" from vector by setting the element to 0.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1263 *I = 0;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1264
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1265 // Set flag to indicate we may have more functions to lazily link in
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1266 // since we linked in a function.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1267 LinkedInAnyFunctions = true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1268 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1269 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1270 } while (LinkedInAnyFunctions);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1271
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1272 // Remove any prototypes of functions that were not actually linked in.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1273 for(std::vector<Function*>::iterator I = LazilyLinkFunctions.begin(),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1274 E = LazilyLinkFunctions.end(); I != E; ++I) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1275 if (!*I)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1276 continue;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1277
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1278 Function SF = I;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1279 Function *DF = cast<Function>(ValueMap[SF]);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1280 if (DF->use_empty())
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1281 DF->eraseFromParent();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1282 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1283
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1284 // Now that all of the types from the source are used, resolve any structs
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1285 // copied over to the dest that didn't exist there.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1286 TypeMap.linkDefinedTypeBodies();
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1287
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1288 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1289 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1290
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1291 Linker::Linker(Module *M) : Composite(M) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1292 TypeFinder StructTypes;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1293 StructTypes.run(*M, true);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1294 IdentifiedStructTypes.insert(StructTypes.begin(), StructTypes.end());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1295 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1296
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1297 Linker::~Linker() {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1298 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1299
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1300 bool Linker::linkInModule(Module Src, unsigned Mode, std::string ErrorMsg) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1301 ModuleLinker TheLinker(Composite, IdentifiedStructTypes, Src, Mode);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1302 if (TheLinker.run()) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1303 if (ErrorMsg)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1304 *ErrorMsg = TheLinker.ErrorMsg;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1305 return true;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1306 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1307 return false;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1308 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1309
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1310 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1311 // LinkModules entrypoint.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1312 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1313
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1314 /// LinkModules - This function links two modules together, with the resulting
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1315 /// Dest module modified to be the composite of the two input modules. If an
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1316 /// error occurs, true is returned and ErrorMsg (if not null) is set to indicate
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1317 /// the problem. Upon failure, the Dest module could be in a modified state,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1318 /// and shouldn't be relied on to be consistent.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1319 bool Linker::LinkModules(Module Dest, Module Src, unsigned Mode,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1320 std::string *ErrorMsg) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1321 Linker L(Dest);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1322 return L.linkInModule(Src, Mode, ErrorMsg);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1323 }
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1324
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1325 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1326 // C API.
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1327 //===----------------------------------------------------------------------===//
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1328
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1329 LLVMBool LLVMLinkModules(LLVMModuleRef Dest, LLVMModuleRef Src,
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1330 LLVMLinkerMode Mode, char **OutMessages) {
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1331 std::string Messages;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1332 LLVMBool Result = Linker::LinkModules(unwrap(Dest), unwrap(Src),
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1333 Mode, OutMessages? &Messages : 0);
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1334 if (OutMessages)
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1335 *OutMessages = strdup(Messages.c_str());
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1336 return Result;
9ad51c7bc036 1st commit. remove git dir and add all files. Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> parents: diff changeset	1337 }

Mercurial > hg > Members > tobaru > cbc > CbC_llvm

annotate lib/Linker/LinkModules.cpp @ 15:66597e792247