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📄 CompileOnDemandLayer.cpp(12.91 KB)
📄 CompileUtils.cpp(2.8 KB)
📄 Core.cpp(71.56 KB)
📄 DebugUtils.cpp(10.4 KB)
📄 ExecutionUtils.cpp(13.7 KB)
📄 IRCompileLayer.cpp(1.55 KB)
📄 IRTransformLayer.cpp(1.17 KB)
📄 IndirectionUtils.cpp(12.36 KB)
📄 JITTargetMachineBuilder.cpp(3.71 KB)
📄 LLJIT.cpp(41.6 KB)
📄 Layer.cpp(7.61 KB)
📄 LazyReexports.cpp(7.9 KB)
📄 Legacy.cpp(2.08 KB)
📄 MachOPlatform.cpp(17.2 KB)
📄 Mangling.cpp(5.03 KB)
📄 NullResolver.cpp(1.12 KB)
📄 ObjectLinkingLayer.cpp(20.23 KB)
📄 ObjectTransformLayer.cpp(1.33 KB)
📄 OrcABISupport.cpp(41.44 KB)
📄 OrcCBindings.cpp(5.73 KB)
📄 OrcCBindingsStack.h(18.01 KB)
📄 OrcMCJITReplacement.cpp(4.68 KB)
📄 OrcMCJITReplacement.h(17.73 KB)
📄 OrcV2CBindings.cpp(7.81 KB)
📄 RTDyldObjectLinkingLayer.cpp(11 KB)
📄 SpeculateAnalyses.cpp(9.8 KB)
📄 Speculation.cpp(5.82 KB)
📄 ThreadSafeModule.cpp(2.04 KB)

Editing: JITTargetMachineBuilder.cpp

//===----- JITTargetMachineBuilder.cpp - Build TargetMachines for JIT -----===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h"

#include "llvm/Support/Host.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"

namespace llvm {
namespace orc {

JITTargetMachineBuilder::JITTargetMachineBuilder(Triple TT)
    : TT(std::move(TT)) {
  Options.EmulatedTLS = true;
  Options.ExplicitEmulatedTLS = true;
}

Expected<JITTargetMachineBuilder> JITTargetMachineBuilder::detectHost() {
  // FIXME: getProcessTriple is bogus. It returns the host LLVM was compiled on,
  //        rather than a valid triple for the current process.
  JITTargetMachineBuilder TMBuilder((Triple(sys::getProcessTriple())));

// Retrieve host CPU name and sub-target features and add them to builder.
  // Relocation model, code model and codegen opt level are kept to default
  // values.
  llvm::StringMap<bool> FeatureMap;
  llvm::sys::getHostCPUFeatures(FeatureMap);
  for (auto &Feature : FeatureMap)
    TMBuilder.getFeatures().AddFeature(Feature.first(), Feature.second);

TMBuilder.setCPU(std::string(llvm::sys::getHostCPUName()));

return TMBuilder;
}

Expected<std::unique_ptr<TargetMachine>>
JITTargetMachineBuilder::createTargetMachine() {

std::string ErrMsg;
  auto *TheTarget = TargetRegistry::lookupTarget(TT.getTriple(), ErrMsg);
  if (!TheTarget)
    return make_error<StringError>(std::move(ErrMsg), inconvertibleErrorCode());

auto *TM =
      TheTarget->createTargetMachine(TT.getTriple(), CPU, Features.getString(),
                                     Options, RM, CM, OptLevel, /*JIT*/ true);
  if (!TM)
    return make_error<StringError>("Could not allocate target machine",
                                   inconvertibleErrorCode());

return std::unique_ptr<TargetMachine>(TM);
}

JITTargetMachineBuilder &JITTargetMachineBuilder::addFeatures(
    const std::vector<std::string> &FeatureVec) {
  for (const auto &F : FeatureVec)
    Features.AddFeature(F);
  return *this;
}

#ifndef NDEBUG
raw_ostream &operator<<(raw_ostream &OS, const JITTargetMachineBuilder &JTMB) {
  OS << "{ Triple = \"" << JTMB.TT.str() << "\", CPU = \"" << JTMB.CPU
     << "\", Options = <not-printable>, Relocation Model = ";

if (JTMB.RM) {
    switch (*JTMB.RM) {
    case Reloc::Static:
      OS << "Static";
      break;
    case Reloc::PIC_:
      OS << "PIC_";
      break;
    case Reloc::DynamicNoPIC:
      OS << "DynamicNoPIC";
      break;
    case Reloc::ROPI:
      OS << "ROPI";
      break;
    case Reloc::RWPI:
      OS << "RWPI";
      break;
    case Reloc::ROPI_RWPI:
      OS << "ROPI_RWPI";
      break;
    }
  } else
    OS << "unspecified";

OS << ", Code Model = ";

if (JTMB.CM) {
    switch (*JTMB.CM) {
    case CodeModel::Tiny:
      OS << "Tiny";
      break;
    case CodeModel::Small:
      OS << "Small";
      break;
    case CodeModel::Kernel:
      OS << "Kernel";
      break;
    case CodeModel::Medium:
      OS << "Medium";
      break;
    case CodeModel::Large:
      OS << "Large";
      break;
    }
  } else
    OS << "unspecified";

OS << ", Optimization Level = ";
  switch (JTMB.OptLevel) {
  case CodeGenOpt::None:
    OS << "None";
    break;
  case CodeGenOpt::Less:
    OS << "Less";
    break;
  case CodeGenOpt::Default:
    OS << "Default";
    break;
  case CodeGenOpt::Aggressive:
    OS << "Aggressive";
    break;
  }

OS << " }";
  return OS;
}
#endif // NDEBUG

} // End namespace orc.
} // End namespace llvm.

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Editing: JITTargetMachineBuilder.cpp

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