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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@274796 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
1.2 KiB
C++
32 lines
1.2 KiB
C++
//===- SimplifyInstructions.h - Remove redundant instructions ---*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This is a utility pass used for testing the InstructionSimplify analysis.
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// The analysis is applied to every instruction, and if it simplifies then the
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// instruction is replaced by the simplification. If you are looking for a pass
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// that performs serious instruction folding, use the instcombine pass instead.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_UTILS_SIMPLIFYINSTRUCTIONS_H
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#define LLVM_TRANSFORMS_UTILS_SIMPLIFYINSTRUCTIONS_H
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#include "llvm/IR/PassManager.h"
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namespace llvm {
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/// This pass removes redundant instructions.
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class InstSimplifierPass : public PassInfoMixin<InstSimplifierPass> {
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public:
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PreservedAnalyses run(Function &F, AnalysisManager<Function> &AM);
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};
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} // end namespace llvm
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#endif // LLVM_TRANSFORMS_UTILS_SIMPLIFYINSTRUCTIONS_H
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