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📄 CSEInfo.cpp(12.25 KB)
📄 CSEMIRBuilder.cpp(8.85 KB)
📄 CallLowering.cpp(19.93 KB)
📄 Combiner.cpp(5.58 KB)
📄 CombinerHelper.cpp(62.81 KB)
📄 GISelChangeObserver.cpp(1.69 KB)
📄 GISelKnownBits.cpp(18.45 KB)
📄 GlobalISel.cpp(901 B)
📄 IRTranslator.cpp(90.61 KB)
📄 InlineAsmLowering.cpp(24.72 KB)
📄 InstructionSelect.cpp(9.31 KB)
📄 InstructionSelector.cpp(2.88 KB)
📄 LegalityPredicates.cpp(6.61 KB)
📄 LegalizeMutations.cpp(2.68 KB)
📄 Legalizer.cpp(14.52 KB)
📄 LegalizerHelper.cpp(185.18 KB)
📄 LegalizerInfo.cpp(27.83 KB)
📄 Localizer.cpp(7.14 KB)
📄 LostDebugLocObserver.cpp(3.38 KB)
📄 MachineIRBuilder.cpp(45.42 KB)
📄 RegBankSelect.cpp(41.82 KB)
📄 RegisterBank.cpp(3.96 KB)
📄 RegisterBankInfo.cpp(30.26 KB)
📄 Utils.cpp(19.66 KB)

Editing: LegalizeMutations.cpp

//===- lib/CodeGen/GlobalISel/LegalizerMutations.cpp - Mutations ----------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// A library of mutation factories to use for LegalityMutation.
//
//===----------------------------------------------------------------------===//

#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"

using namespace llvm;

LegalizeMutation LegalizeMutations::changeTo(unsigned TypeIdx, LLT Ty) {
  return
      [=](const LegalityQuery &Query) { return std::make_pair(TypeIdx, Ty); };
}

LegalizeMutation LegalizeMutations::changeTo(unsigned TypeIdx,
                                             unsigned FromTypeIdx) {
  return [=](const LegalityQuery &Query) {
    return std::make_pair(TypeIdx, Query.Types[FromTypeIdx]);
  };
}

LegalizeMutation LegalizeMutations::changeElementTo(unsigned TypeIdx,
                                                    unsigned FromTypeIdx) {
  return [=](const LegalityQuery &Query) {
    const LLT OldTy = Query.Types[TypeIdx];
    const LLT NewTy = Query.Types[FromTypeIdx];
    return std::make_pair(TypeIdx, OldTy.changeElementType(NewTy));
  };
}

LegalizeMutation LegalizeMutations::changeElementTo(unsigned TypeIdx,
                                                    LLT NewEltTy) {
  return [=](const LegalityQuery &Query) {
    const LLT OldTy = Query.Types[TypeIdx];
    return std::make_pair(TypeIdx, OldTy.changeElementType(NewEltTy));
  };
}

LegalizeMutation LegalizeMutations::widenScalarOrEltToNextPow2(unsigned TypeIdx,
                                                               unsigned Min) {
  return [=](const LegalityQuery &Query) {
    const LLT Ty = Query.Types[TypeIdx];
    unsigned NewEltSizeInBits =
        std::max(1u << Log2_32_Ceil(Ty.getScalarSizeInBits()), Min);
    return std::make_pair(TypeIdx, Ty.changeElementSize(NewEltSizeInBits));
  };
}

LegalizeMutation LegalizeMutations::moreElementsToNextPow2(unsigned TypeIdx,
                                                           unsigned Min) {
  return [=](const LegalityQuery &Query) {
    const LLT VecTy = Query.Types[TypeIdx];
    unsigned NewNumElements =
        std::max(1u << Log2_32_Ceil(VecTy.getNumElements()), Min);
    return std::make_pair(TypeIdx,
                          LLT::vector(NewNumElements, VecTy.getElementType()));
  };
}

LegalizeMutation LegalizeMutations::scalarize(unsigned TypeIdx) {
  return [=](const LegalityQuery &Query) {
    return std::make_pair(TypeIdx, Query.Types[TypeIdx].getElementType());
  };
}

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Editing: LegalizeMutations.cpp

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