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comparison include/llvm/Transforms/Scalar/SCCP.h @ 148:63bd29f05246

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merged
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 14 Aug 2019 19:46:37 +0900
parents c2174574ed3a
children
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146:3fc4d5c3e21e 148:63bd29f05246
1 //===- SCCP.cpp - Sparse Conditional Constant Propagation -------*- C++ -*-===// 1 //===- SCCP.cpp - Sparse Conditional Constant Propagation -------*- C++ -*-===//
2 // 2 //
3 // The LLVM Compiler Infrastructure 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // 4 // See https://llvm.org/LICENSE.txt for license information.
5 // This file is distributed under the University of Illinois Open Source 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 // License. See LICENSE.TXT for details.
7 // 6 //
8 //===----------------------------------------------------------------------===// 7 //===----------------------------------------------------------------------===//
9 // 8 //
10 // \file 9 // \file
11 // This file implements sparse conditional constant propagation and merging: 10 // This file implements sparse conditional constant propagation and merging:
19 //===----------------------------------------------------------------------===// 18 //===----------------------------------------------------------------------===//
20 19
21 #ifndef LLVM_TRANSFORMS_SCALAR_SCCP_H 20 #ifndef LLVM_TRANSFORMS_SCALAR_SCCP_H
22 #define LLVM_TRANSFORMS_SCALAR_SCCP_H 21 #define LLVM_TRANSFORMS_SCALAR_SCCP_H
23 22
23 #include "llvm/ADT/STLExtras.h"
24 #include "llvm/Analysis/TargetLibraryInfo.h"
25 #include "llvm/IR/DataLayout.h"
26 #include "llvm/IR/Function.h"
27 #include "llvm/IR/Module.h"
24 #include "llvm/IR/PassManager.h" 28 #include "llvm/IR/PassManager.h"
29 #include "llvm/Transforms/Utils/PredicateInfo.h"
25 30
26 namespace llvm { 31 namespace llvm {
27 32
28 class Function; 33 class PostDominatorTree;
29 34
30 /// This pass performs function-level constant propagation and merging. 35 /// This pass performs function-level constant propagation and merging.
31 class SCCPPass : public PassInfoMixin<SCCPPass> { 36 class SCCPPass : public PassInfoMixin<SCCPPass> {
32 public: 37 public:
33 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 38 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
34 }; 39 };
35 40
41 /// Helper struct for bundling up the analysis results per function for IPSCCP.
42 struct AnalysisResultsForFn {
43 std::unique_ptr<PredicateInfo> PredInfo;
44 DominatorTree *DT;
45 PostDominatorTree *PDT;
46 };
47
48 bool runIPSCCP(Module &M, const DataLayout &DL, const TargetLibraryInfo *TLI,
49 function_ref<AnalysisResultsForFn(Function &)> getAnalysis);
36 } // end namespace llvm 50 } // end namespace llvm
37 51
38 #endif // LLVM_TRANSFORMS_SCALAR_SCCP_H 52 #endif // LLVM_TRANSFORMS_SCALAR_SCCP_H