| //===- LoopUnrollPass.h -----------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_TRANSFORMS_SCALAR_LOOPUNROLLPASS_H |
| #define LLVM_TRANSFORMS_SCALAR_LOOPUNROLLPASS_H |
| |
| #include "llvm/Analysis/LoopAnalysisManager.h" |
| #include "llvm/IR/PassManager.h" |
| |
| namespace llvm { |
| |
| class Function; |
| class Loop; |
| class LPMUpdater; |
| |
| /// Loop unroll pass that only does full loop unrolling. |
| class LoopFullUnrollPass : public PassInfoMixin<LoopFullUnrollPass> { |
| const int OptLevel; |
| |
| public: |
| explicit LoopFullUnrollPass(int OptLevel = 2) : OptLevel(OptLevel) {} |
| |
| PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, |
| LoopStandardAnalysisResults &AR, LPMUpdater &U); |
| }; |
| |
| /// Loop unroll pass that will support both full and partial unrolling. |
| /// It is a function pass to have access to function and module analyses. |
| /// It will also put loops into canonical form (simplified and LCSSA). |
| class LoopUnrollPass : public PassInfoMixin<LoopUnrollPass> { |
| const int OptLevel; |
| |
| public: |
| /// This uses the target information (or flags) to control the thresholds for |
| /// different unrolling stategies but supports all of them. |
| explicit LoopUnrollPass(int OptLevel = 2) : OptLevel(OptLevel) {} |
| |
| PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
| }; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_TRANSFORMS_SCALAR_LOOPUNROLLPASS_H |