blob: 5cf805bc49393a8a9a2ac8f298a2bef127a02e82 [file] [log] [blame]
//===- LoopStrengthReduce.h - Loop Strength Reduce Pass ---------*- C++ -*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See 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.
#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> {
PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
LoopStandardAnalysisResults &AR, LPMUpdater &U);
} // end namespace llvm