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Diffstat (limited to 'include/llvm/Transforms/Scalar/LoopStrengthReduce.h')
| -rw-r--r-- | include/llvm/Transforms/Scalar/LoopStrengthReduce.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/llvm/Transforms/Scalar/LoopStrengthReduce.h b/include/llvm/Transforms/Scalar/LoopStrengthReduce.h new file mode 100644 index 0000000000000..11c0d9bce85b1 --- /dev/null +++ b/include/llvm/Transforms/Scalar/LoopStrengthReduce.h @@ -0,0 +1,38 @@ +//===- LoopStrengthReduce.h - Loop Strength Reduce Pass -------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This transformation analyzes and transforms the induction variables (and +// computations derived from them) into forms suitable for efficient execution +// on the target. +// +// This pass performs a strength reduction on array references inside loops that +// have as one or more of their components the loop induction variable, it +// rewrites expressions to take advantage of scaled-index addressing modes +// available on the target, and it performs a variety of other optimizations +// related to loop induction variables. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_TRANSFORMS_SCALAR_LOOPSTRENGTHREDUCE_H +#define LLVM_TRANSFORMS_SCALAR_LOOPSTRENGTHREDUCE_H + +#include "llvm/Analysis/LoopInfo.h" +#include "llvm/Analysis/LoopPassManager.h" +#include "llvm/IR/PassManager.h" + +namespace llvm { + +/// Performs Loop Strength Reduce Pass. +class LoopStrengthReducePass : public PassInfoMixin<LoopStrengthReducePass> { +public: + PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM); +}; +} // end namespace llvm + +#endif // LLVM_TRANSFORMS_SCALAR_LOOPSTRENGTHREDUCE_H |
