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