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Diffstat (limited to 'llvm/include/llvm/Transforms/Scalar/LoopSimplifyCFG.h')
-rw-r--r-- | llvm/include/llvm/Transforms/Scalar/LoopSimplifyCFG.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/llvm/include/llvm/Transforms/Scalar/LoopSimplifyCFG.h b/llvm/include/llvm/Transforms/Scalar/LoopSimplifyCFG.h new file mode 100644 index 00000000000..7609bb26a1a --- /dev/null +++ b/llvm/include/llvm/Transforms/Scalar/LoopSimplifyCFG.h @@ -0,0 +1,32 @@ +//===- LoopSimplifyCFG.cpp - Loop CFG Simplification Pass -------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file implements the Loop SimplifyCFG Pass. This pass is responsible for +// basic loop CFG cleanup, primarily to assist other loop passes. If you +// encounter a noncanonical CFG construct that causes another loop pass to +// perform suboptimally, this is the place to fix it up. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_TRANSFORMS_SCALAR_LOOPSIMPLIFYCFG_H +#define LLVM_TRANSFORMS_SCALAR_LOOPSIMPLIFYCFG_H + +#include "llvm/Analysis/LoopInfo.h" +#include "llvm/IR/PassManager.h" + +namespace llvm { + +/// Performs basic CFG simplifications to assist other loop passes. +class LoopSimplifyCFGPass : public PassInfoMixin<LoopSimplifyCFGPass> { +public: + PreservedAnalyses run(Loop &L, AnalysisManager<Loop> &AM); +}; +} // end namespace llvm + +#endif // LLVM_TRANSFORMS_SCALAR_LOOPSIMPLIFYCFG_H |