1 //===- LoopRotation.h - Loop Rotation -------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file provides the interface for the Loop Rotation pass.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H
15 #define LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H
17 #include "llvm/Analysis/LoopInfo.h"
18 #include "llvm/IR/PassManager.h"
19 #include "llvm/Transforms/Scalar/LoopPassManager.h"
23 /// A simple loop rotation transformation.
24 class LoopRotatePass : public PassInfoMixin<LoopRotatePass> {
26 LoopRotatePass(bool EnableHeaderDuplication = true);
27 PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
28 LoopStandardAnalysisResults &AR, LPMUpdater &U);
31 const bool EnableHeaderDuplication;
35 #endif // LLVM_TRANSFORMS_SCALAR_LOOPROTATION_H