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annotate lib/Target/NVPTX/NVVMReflect.cpp @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 54457678186b
children 1172e4bd9c6f
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1 //===- NVVMReflect.cpp - NVVM Emulate conditional compilation -------------===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This pass replaces occurrences of __nvvm_reflect("string") with an
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11 // integer based on -nvvm-reflect-list string=<int> option given to this pass.
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12 // If an undefined string value is seen in a call to __nvvm_reflect("string"),
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13 // a default value of 0 will be used.
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14 //
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15 //===----------------------------------------------------------------------===//
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16
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17 #include "NVPTX.h"
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18 #include "llvm/ADT/DenseMap.h"
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19 #include "llvm/ADT/SmallVector.h"
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20 #include "llvm/ADT/StringMap.h"
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21 #include "llvm/IR/Constants.h"
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22 #include "llvm/IR/DerivedTypes.h"
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23 #include "llvm/IR/Function.h"
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24 #include "llvm/IR/Instructions.h"
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25 #include "llvm/IR/Intrinsics.h"
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26 #include "llvm/IR/Module.h"
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27 #include "llvm/IR/Type.h"
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28 #include "llvm/Pass.h"
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29 #include "llvm/Support/CommandLine.h"
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30 #include "llvm/Support/Debug.h"
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31 #include "llvm/Support/raw_os_ostream.h"
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32 #include "llvm/Support/raw_ostream.h"
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33 #include "llvm/Transforms/Scalar.h"
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34 #include <map>
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35 #include <sstream>
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36 #include <string>
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37 #include <vector>
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38
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39 #define NVVM_REFLECT_FUNCTION "__nvvm_reflect"
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40
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41 using namespace llvm;
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42
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43 #define DEBUG_TYPE "nvptx-reflect"
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44
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45 namespace llvm { void initializeNVVMReflectPass(PassRegistry &); }
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46
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47 namespace {
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48 class NVVMReflect : public ModulePass {
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49 private:
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50 StringMap<int> VarMap;
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51 typedef DenseMap<std::string, int>::iterator VarMapIter;
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52
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53 public:
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54 static char ID;
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55 NVVMReflect() : ModulePass(ID) {
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56 initializeNVVMReflectPass(*PassRegistry::getPassRegistry());
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57 VarMap.clear();
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58 }
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59
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60 NVVMReflect(const StringMap<int> &Mapping)
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61 : ModulePass(ID) {
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62 initializeNVVMReflectPass(*PassRegistry::getPassRegistry());
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63 for (StringMap<int>::const_iterator I = Mapping.begin(), E = Mapping.end();
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64 I != E; ++I) {
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65 VarMap[(*I).getKey()] = (*I).getValue();
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66 }
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67 }
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68
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69 void getAnalysisUsage(AnalysisUsage &AU) const override {
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70 AU.setPreservesAll();
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71 }
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72 bool runOnModule(Module &) override;
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73
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74 private:
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75 bool handleFunction(Function *ReflectFunction);
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76 void setVarMap();
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77 };
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78 }
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80 ModulePass *llvm::createNVVMReflectPass() {
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81 return new NVVMReflect();
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82 }
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83
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84 ModulePass *llvm::createNVVMReflectPass(const StringMap<int>& Mapping) {
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85 return new NVVMReflect(Mapping);
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86 }
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87
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88 static cl::opt<bool>
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89 NVVMReflectEnabled("nvvm-reflect-enable", cl::init(true), cl::Hidden,
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90 cl::desc("NVVM reflection, enabled by default"));
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91
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92 char NVVMReflect::ID = 0;
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93 INITIALIZE_PASS(NVVMReflect, "nvvm-reflect",
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94 "Replace occurrences of __nvvm_reflect() calls with 0/1", false,
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95 false)
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96
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97 static cl::list<std::string>
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98 ReflectList("nvvm-reflect-list", cl::value_desc("name=<int>"), cl::Hidden,
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99 cl::desc("A list of string=num assignments"),
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100 cl::ValueRequired);
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101
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102 /// The command line can look as follows :
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103 /// -nvvm-reflect-list a=1,b=2 -nvvm-reflect-list c=3,d=0 -R e=2
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104 /// The strings "a=1,b=2", "c=3,d=0", "e=2" are available in the
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105 /// ReflectList vector. First, each of ReflectList[i] is 'split'
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106 /// using "," as the delimiter. Then each of this part is split
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107 /// using "=" as the delimiter.
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108 void NVVMReflect::setVarMap() {
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109 for (unsigned i = 0, e = ReflectList.size(); i != e; ++i) {
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110 DEBUG(dbgs() << "Option : " << ReflectList[i] << "\n");
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111 SmallVector<StringRef, 4> NameValList;
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112 StringRef(ReflectList[i]).split(NameValList, ',');
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113 for (unsigned j = 0, ej = NameValList.size(); j != ej; ++j) {
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114 SmallVector<StringRef, 2> NameValPair;
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115 NameValList[j].split(NameValPair, '=');
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116 assert(NameValPair.size() == 2 && "name=val expected");
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117 std::stringstream ValStream(NameValPair[1]);
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118 int Val;
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119 ValStream >> Val;
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120 assert((!(ValStream.fail())) && "integer value expected");
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121 VarMap[NameValPair[0]] = Val;
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122 }
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123 }
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124 }
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125
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126 bool NVVMReflect::handleFunction(Function *ReflectFunction) {
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127 // Validate _reflect function
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128 assert(ReflectFunction->isDeclaration() &&
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
129 "_reflect function should not have a body");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
130 assert(ReflectFunction->getReturnType()->isIntegerTy() &&
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
131 "_reflect's return type should be integer");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
132
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
133 std::vector<Instruction *> ToRemove;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
135 // Go through the uses of ReflectFunction in this Function.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 // Each of them should a CallInst with a ConstantArray argument.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 // First validate that. If the c-string corresponding to the
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 // ConstantArray can be found successfully, see if it can be
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 // found in VarMap. If so, replace the uses of CallInst with the
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 // value found in VarMap. If not, replace the use with value 0.
95
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
141
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
142 // IR for __nvvm_reflect calls differs between CUDA versions:
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
143 // CUDA 6.5 and earlier uses this sequence:
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
144 // %ptr = tail call i8* @llvm.nvvm.ptr.constant.to.gen.p0i8.p4i8
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
145 // (i8 addrspace(4)* getelementptr inbounds
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
146 // ([8 x i8], [8 x i8] addrspace(4)* @str, i32 0, i32 0))
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
147 // %reflect = tail call i32 @__nvvm_reflect(i8* %ptr)
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
148 //
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
149 // Value returned by Sym->getOperand(0) is a Constant with a
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
150 // ConstantDataSequential operand which can be converted to string and used
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
151 // for lookup.
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
152 //
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
153 // CUDA 7.0 does it slightly differently:
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
154 // %reflect = call i32 @__nvvm_reflect(i8* addrspacecast
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
155 // (i8 addrspace(1)* getelementptr inbounds
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
156 // ([8 x i8], [8 x i8] addrspace(1)* @str, i32 0, i32 0) to i8*))
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
157 //
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
158 // In this case, we get a Constant with a GlobalVariable operand and we need
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
159 // to dig deeper to find its initializer with the string we'll use for lookup.
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
160
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
161 for (User *U : ReflectFunction->users()) {
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
162 assert(isa<CallInst>(U) && "Only a call instruction can use _reflect");
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
163 CallInst *Reflect = cast<CallInst>(U);
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
164
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 assert((Reflect->getNumOperands() == 2) &&
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
166 "Only one operand expect for _reflect function");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 // In cuda, we will have an extra constant-to-generic conversion of
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 // the string.
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
169 const Value *Str = Reflect->getArgOperand(0);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
170 if (isa<CallInst>(Str)) {
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
171 // CUDA path
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
172 const CallInst *ConvCall = cast<CallInst>(Str);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
173 Str = ConvCall->getArgOperand(0);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
174 }
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
175 assert(isa<ConstantExpr>(Str) &&
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 "Format of _reflect function not recognized");
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
177 const ConstantExpr *GEP = cast<ConstantExpr>(Str);
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 const Value *Sym = GEP->getOperand(0);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 assert(isa<Constant>(Sym) && "Format of _reflect function not recognized");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
181
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
182 const Value *Operand = cast<Constant>(Sym)->getOperand(0);
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
183 if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(Operand)) {
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
184 // For CUDA-7.0 style __nvvm_reflect calls we need to find operand's
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
185 // initializer.
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
186 assert(GV->hasInitializer() &&
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
187 "Format of _reflect function not recognized");
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
188 const Constant *Initializer = GV->getInitializer();
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
189 Operand = Initializer;
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
190 }
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
192 assert(isa<ConstantDataSequential>(Operand) &&
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 "Format of _reflect function not recognized");
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
194 assert(cast<ConstantDataSequential>(Operand)->isCString() &&
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 "Format of _reflect function not recognized");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
196
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 std::string ReflectArg =
95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
198 cast<ConstantDataSequential>(Operand)->getAsString();
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 ReflectArg = ReflectArg.substr(0, ReflectArg.size() - 1);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 DEBUG(dbgs() << "Arg of _reflect : " << ReflectArg << "\n");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 int ReflectVal = 0; // The default value is 0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 if (VarMap.find(ReflectArg) != VarMap.end()) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 ReflectVal = VarMap[ReflectArg];
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
207 Reflect->replaceAllUsesWith(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 ConstantInt::get(Reflect->getType(), ReflectVal));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 ToRemove.push_back(Reflect);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 if (ToRemove.size() == 0)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 return false;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 for (unsigned i = 0, e = ToRemove.size(); i != e; ++i)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 ToRemove[i]->eraseFromParent();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 return true;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 }
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
218
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
219 bool NVVMReflect::runOnModule(Module &M) {
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
220 if (!NVVMReflectEnabled)
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
221 return false;
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
222
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
223 setVarMap();
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
224
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
225
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
226 bool Res = false;
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
227 std::string Name;
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
228 Type *Tys[1];
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
229 Type *I8Ty = Type::getInt8Ty(M.getContext());
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
230 Function *ReflectFunction;
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
231
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
232 // Check for standard overloaded versions of llvm.nvvm.reflect
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
233
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
234 for (unsigned i = 0; i != 5; ++i) {
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
235 Tys[0] = PointerType::get(I8Ty, i);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
236 Name = Intrinsic::getName(Intrinsic::nvvm_reflect, Tys);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
237 ReflectFunction = M.getFunction(Name);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
238 if(ReflectFunction != 0) {
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
239 Res |= handleFunction(ReflectFunction);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
240 }
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
241 }
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
242
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
243 ReflectFunction = M.getFunction(NVVM_REFLECT_FUNCTION);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
244 // If reflect function is not used, then there will be
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
245 // no entry in the module.
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
246 if (ReflectFunction != 0)
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
247 Res |= handleFunction(ReflectFunction);
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
248
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
249 return Res;
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
250 }