IndVarSimplify.h

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//===- IndVarSimplify.h - Induction Variable Simplification -----*- 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 file provides the interface for the Induction Variable
// Simplification pass.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_TRANSFORMS_SCALAR_INDVARSIMPLIFY_H
#define LLVM_TRANSFORMS_SCALAR_INDVARSIMPLIFY_H
 
#include "llvm/Analysis/LoopAnalysisManager.h"
#include "llvm/IR/PassManager.h"
 
namespace llvm {
 
class Loop;
class LPMUpdater;
 
class IndVarSimplifyPass : public PassInfoMixin<IndVarSimplifyPass> {
  /// Perform IV widening during the pass.
  bool WidenIndVars;
 
public:
  IndVarSimplifyPass(bool WidenIndVars = true) : WidenIndVars(WidenIndVars) {}
  PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
                        LoopStandardAnalysisResults &AR, LPMUpdater &U);
};
 
} // end namespace llvm
 
#endif // LLVM_TRANSFORMS_SCALAR_INDVARSIMPLIFY_H