llvm/llvm/include/llvm/CodeGen/GlobalISel/Combiner.h

//== ----- llvm/CodeGen/GlobalISel/Combiner.h -------------------*- 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
//
//===----------------------------------------------------------------------===//
/// \file
/// This contains the base class for all Combiners generated by TableGen.
/// Backends need to create class that inherits from "Combiner" and put all of
/// the TableGen-erated code in there, as it implements the virtual functions.
///
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_GLOBALISEL_COMBINER_H
#define LLVM_CODEGEN_GLOBALISEL_COMBINER_H

#include "llvm/CodeGen/GlobalISel/CombinerInfo.h"
#include "llvm/CodeGen/GlobalISel/GIMatchTableExecutor.h"
#include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"

namespace llvm {
class MachineRegisterInfo;
class GISelCSEInfo;
class TargetPassConfig;
class MachineFunction;
class MachineIRBuilder;

/// Combiner implementation. This is per-function, so passes need to recreate
/// one of these each time they enter a new function.
///
/// TODO: Is it worth making this module-wide?
class Combiner : public GIMatchTableExecutor { … };

} // End namespace llvm.

#endif // LLVM_CODEGEN_GLOBALISEL_COMBINER_H