llvm/llvm/include/llvm/Analysis/IVUsers.h

//===- llvm/Analysis/IVUsers.h - Induction Variable Users -------*- 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 implements bookkeeping for "interesting" users of expressions
// computed from induction variables.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_ANALYSIS_IVUSERS_H
#define LLVM_ANALYSIS_IVUSERS_H

#include "llvm/Analysis/LoopAnalysisManager.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/ScalarEvolutionNormalization.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/ValueHandle.h"

namespace llvm {

class AssumptionCache;
class DominatorTree;
class ScalarEvolution;
class SCEV;
class IVUsers;

/// IVStrideUse - Keep track of one use of a strided induction variable.
/// The Expr member keeps track of the expression, User is the actual user
/// instruction of the operand, and 'OperandValToReplace' is the operand of
/// the User that is the use.
class IVStrideUse final : public CallbackVH, public ilist_node<IVStrideUse> { … };

class IVUsers { … };

Pass *createIVUsersPass();

class IVUsersWrapperPass : public LoopPass { … };

/// Analysis pass that exposes the \c IVUsers for a loop.
class IVUsersAnalysis : public AnalysisInfoMixin<IVUsersAnalysis> { … };

}

#endif