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usr / src / contrib / llvm-project / llvm / include / llvm / CodeGen / GlobalISel /

📁 ..
📄 CSEInfo.h(8.84 KB)
📄 CSEMIRBuilder.h(4.77 KB)
📄 CallLowering.h(14.21 KB)
📄 Combiner.h(1.43 KB)
📄 CombinerHelper.h(10.74 KB)
📄 CombinerInfo.h(2.75 KB)
📄 ConstantFoldingMIRBuilder.h(2.63 KB)
📄 GISelChangeObserver.h(4.96 KB)
📄 GISelKnownBits.h(4.33 KB)
📄 GISelWorkList.h(3.64 KB)
📄 IRTranslator.h(24.76 KB)
📄 InlineAsmLowering.h(2.34 KB)
📄 InstructionSelect.h(1.96 KB)
📄 InstructionSelector.h(18.61 KB)
📄 InstructionSelectorImpl.h(44.71 KB)
📄 LegalizationArtifactCombiner.h(34.75 KB)
📄 Legalizer.h(2.54 KB)
📄 LegalizerHelper.h(15.8 KB)
📄 LegalizerInfo.h(59.78 KB)
📄 Localizer.h(3.57 KB)
📄 LostDebugLocObserver.h(2.06 KB)
📄 MIPatternMatch.h(11.95 KB)
📄 MachineIRBuilder.h(67.51 KB)
📄 RegBankSelect.h(25.09 KB)
📄 RegisterBank.h(3.18 KB)
📄 RegisterBankInfo.h(30.01 KB)
📄 Utils.h(9.4 KB)

Editing: CombinerInfo.h

//===- llvm/CodeGen/GlobalISel/CombinerInfo.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
//
//===----------------------------------------------------------------------===//
//
/// Interface for Targets to specify which operations are combined how and when.
///
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_GLOBALISEL_COMBINER_INFO_H
#define LLVM_CODEGEN_GLOBALISEL_COMBINER_INFO_H

#include <cassert>
namespace llvm {

class GISelChangeObserver;
class LegalizerInfo;
class MachineInstr;
class MachineIRBuilder;
class MachineRegisterInfo;

// Contains information relevant to enabling/disabling various combines for a
// pass.
class CombinerInfo {
public:
  CombinerInfo(bool AllowIllegalOps, bool ShouldLegalizeIllegal,
               const LegalizerInfo *LInfo, bool OptEnabled, bool OptSize,
               bool MinSize)
      : IllegalOpsAllowed(AllowIllegalOps),
        LegalizeIllegalOps(ShouldLegalizeIllegal), LInfo(LInfo),
        EnableOpt(OptEnabled), EnableOptSize(OptSize), EnableMinSize(MinSize) {
    assert(((AllowIllegalOps || !LegalizeIllegalOps) || LInfo) &&
           "Expecting legalizerInfo when illegalops not allowed");
  }
  virtual ~CombinerInfo() = default;
  /// If \p IllegalOpsAllowed is false, the CombinerHelper will make use of
  /// the legalizerInfo to check for legality before each transformation.
  bool IllegalOpsAllowed; // TODO: Make use of this.

/// If \p LegalizeIllegalOps is true, the Combiner will also legalize the
  /// illegal ops that are created.
  bool LegalizeIllegalOps; // TODO: Make use of this.
  const LegalizerInfo *LInfo;

/// Whether optimizations should be enabled. This is to distinguish between
  /// uses of the combiner unconditionally and only when optimizations are
  /// specifically enabled/
  bool EnableOpt;
  /// Whether we're optimizing for size.
  bool EnableOptSize;
  /// Whether we're optimizing for minsize (-Oz).
  bool EnableMinSize;

/// Attempt to combine instructions using MI as the root.
  ///
  /// Use Observer to report the creation, modification, and erasure of
  /// instructions. GISelChangeObserver will automatically report certain
  /// kinds of operations. These operations are:
  /// * Instructions that are newly inserted into the MachineFunction
  /// * Instructions that are erased from the MachineFunction.
  ///
  /// However, it is important to report instruction modification and this is
  /// not automatic.
  virtual bool combine(GISelChangeObserver &Observer, MachineInstr &MI,
                       MachineIRBuilder &B) const = 0;
};
} // namespace llvm

#endif

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Editing: CombinerInfo.h

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