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📄 CompileOnDemandLayer.h(27.24 KB)
📄 CompileUtils.h(3.29 KB)
📄 Core.h(55.04 KB)
📄 DebugUtils.h(4.59 KB)
📄 ExecutionUtils.h(14.17 KB)
📄 GlobalMappingLayer.h(4.02 KB)
📄 IRCompileLayer.h(5.87 KB)
📄 IRTransformLayer.h(4.85 KB)
📄 IndirectionUtils.h(20.75 KB)
📄 JITTargetMachineBuilder.h(5.01 KB)
📄 LLJIT.h(15.66 KB)
📄 LambdaResolver.h(3.16 KB)
📄 Layer.h(6.29 KB)
📄 LazyEmittingLayer.h(10.08 KB)
📄 LazyReexports.h(6.64 KB)
📄 Legacy.h(7.73 KB)
📄 MachOPlatform.h(5.27 KB)
📄 Mangling.h(2.31 KB)
📄 NullResolver.h(1.47 KB)
📄 ObjectLinkingLayer.h(7.25 KB)
📄 ObjectTransformLayer.h(5.02 KB)
📄 OrcABISupport.h(14.54 KB)
📄 OrcError.h(2.04 KB)
📄 OrcRemoteTargetClient.h(25.06 KB)
📄 OrcRemoteTargetRPCAPI.h(11.49 KB)
📄 OrcRemoteTargetServer.h(17.19 KB)
📁 RPC
📄 RTDyldObjectLinkingLayer.h(18.95 KB)
📄 RemoteObjectLayer.h(19.84 KB)
📄 SpeculateAnalyses.h(2.87 KB)
📄 Speculation.h(7.31 KB)
📄 SymbolStringPool.h(5.39 KB)
📄 ThreadSafeModule.h(5.53 KB)

Editing: JITTargetMachineBuilder.h

//===- JITTargetMachineBuilder.h - Build TargetMachines for JIT -*- 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
//
//===----------------------------------------------------------------------===//
//
// A utitily for building TargetMachines for JITs.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_EXECUTIONENGINE_ORC_JITTARGETMACHINEBUILDER_H
#define LLVM_EXECUTIONENGINE_ORC_JITTARGETMACHINEBUILDER_H

#include "llvm/ADT/Optional.h"
#include "llvm/ADT/Triple.h"
#include "llvm/MC/SubtargetFeature.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Support/Error.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include <memory>
#include <string>
#include <vector>

namespace llvm {

class raw_ostream;

namespace orc {

/// A utility class for building TargetMachines for JITs.
class JITTargetMachineBuilder {
public:
  /// Create a JITTargetMachineBuilder based on the given triple.
  ///
  /// Note: TargetOptions is default-constructed, then EmulatedTLS and
  /// ExplicitEmulatedTLS are set to true. If EmulatedTLS is not
  /// required, these values should be reset before calling
  /// createTargetMachine.
  JITTargetMachineBuilder(Triple TT);

/// Create a JITTargetMachineBuilder for the host system.
  ///
  /// Note: TargetOptions is default-constructed, then EmulatedTLS and
  /// ExplicitEmulatedTLS are set to true. If EmulatedTLS is not
  /// required, these values should be reset before calling
  /// createTargetMachine.
  static Expected<JITTargetMachineBuilder> detectHost();

/// Create a TargetMachine.
  ///
  /// This operation will fail if the requested target is not registered,
  /// in which case see llvm/Support/TargetSelect.h. To JIT IR the Target and
  /// the target's AsmPrinter must both be registered. To JIT assembly
  /// (including inline and module level assembly) the target's AsmParser must
  /// also be registered.
  Expected<std::unique_ptr<TargetMachine>> createTargetMachine();

/// Get the default DataLayout for the target.
  ///
  /// Note: This is reasonably expensive, as it creates a temporary
  /// TargetMachine instance under the hood. It is only suitable for use during
  /// JIT setup.
  Expected<DataLayout> getDefaultDataLayoutForTarget() {
    auto TM = createTargetMachine();
    if (!TM)
      return TM.takeError();
    return (*TM)->createDataLayout();
  }

/// Set the CPU string.
  JITTargetMachineBuilder &setCPU(std::string CPU) {
    this->CPU = std::move(CPU);
    return *this;
  }

/// Set the relocation model.
  JITTargetMachineBuilder &setRelocationModel(Optional<Reloc::Model> RM) {
    this->RM = std::move(RM);
    return *this;
  }

/// Get the relocation model.
  const Optional<Reloc::Model> &getRelocationModel() const { return RM; }

/// Set the code model.
  JITTargetMachineBuilder &setCodeModel(Optional<CodeModel::Model> CM) {
    this->CM = std::move(CM);
    return *this;
  }

/// Get the code model.
  const Optional<CodeModel::Model> &getCodeModel() const { return CM; }

/// Set the LLVM CodeGen optimization level.
  JITTargetMachineBuilder &setCodeGenOptLevel(CodeGenOpt::Level OptLevel) {
    this->OptLevel = OptLevel;
    return *this;
  }

/// Set subtarget features.
  JITTargetMachineBuilder &setFeatures(StringRef FeatureString) {
    Features = SubtargetFeatures(FeatureString);
    return *this;
  }

/// Add subtarget features.
  JITTargetMachineBuilder &
  addFeatures(const std::vector<std::string> &FeatureVec);

/// Access subtarget features.
  SubtargetFeatures &getFeatures() { return Features; }

/// Access subtarget features.
  const SubtargetFeatures &getFeatures() const { return Features; }

/// Set TargetOptions.
  ///
  /// Note: This operation will overwrite any previously configured options,
  /// including EmulatedTLS and ExplicitEmulatedTLS which
  /// the JITTargetMachineBuilder sets by default. Clients are responsible
  /// for re-enabling these overwritten options.
  JITTargetMachineBuilder &setOptions(TargetOptions Options) {
    this->Options = std::move(Options);
    return *this;
  }

/// Access TargetOptions.
  TargetOptions &getOptions() { return Options; }

/// Access TargetOptions.
  const TargetOptions &getOptions() const { return Options; }

/// Access Triple.
  Triple &getTargetTriple() { return TT; }

/// Access Triple.
  const Triple &getTargetTriple() const { return TT; }

#ifndef NDEBUG
  /// Debug-dump a JITTargetMachineBuilder.
  friend raw_ostream &operator<<(raw_ostream &OS,
                                 const JITTargetMachineBuilder &JTMB);
#endif

private:
  Triple TT;
  std::string CPU;
  SubtargetFeatures Features;
  TargetOptions Options;
  Optional<Reloc::Model> RM;
  Optional<CodeModel::Model> CM;
  CodeGenOpt::Level OptLevel = CodeGenOpt::Default;
};

} // end namespace orc
} // end namespace llvm

#endif // LLVM_EXECUTIONENGINE_ORC_JITTARGETMACHINEBUILDER_H

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Editing: JITTargetMachineBuilder.h

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