//===- LoopStrengthReduce.h - Loop Strength Reduce Pass ---------*- C++ -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // 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/LoopAnalysisManager.h" #include "llvm/IR/PassManager.h" namespace llvm { class Loop; class LPMUpdater; /// Performs Loop Strength Reduce Pass. class LoopStrengthReducePass : public PassInfoMixin<LoopStrengthReducePass> { … }; } // end namespace llvm #endif // LLVM_TRANSFORMS_SCALAR_LOOPSTRENGTHREDUCE_H