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04756ee526
(1) Adds comments for the API.
(2) Removes the setArch method: This is redundant: the setArchStr method on the
triple should be used instead.
(3) Turns EmulatedTLS on by default. This matches EngineBuilder's behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@343423 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
//===----- JITTargetMachineBuilder.cpp - Build TargetMachines for JIT -----===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h"
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#include "llvm/Support/TargetRegistry.h"
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namespace llvm {
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namespace orc {
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JITTargetMachineBuilder::JITTargetMachineBuilder(Triple TT)
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: TT(std::move(TT)) {
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Options.EmulatedTLS = true;
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Options.ExplicitEmulatedTLS = true;
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}
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Expected<JITTargetMachineBuilder> JITTargetMachineBuilder::detectHost() {
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// FIXME: getProcessTriple is bogus. It returns the host LLVM was compiled on,
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// rather than a valid triple for the current process.
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return JITTargetMachineBuilder(Triple(sys::getProcessTriple()));
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}
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Expected<std::unique_ptr<TargetMachine>>
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JITTargetMachineBuilder::createTargetMachine() {
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std::string ErrMsg;
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auto *TheTarget = TargetRegistry::lookupTarget(TT.getTriple(), ErrMsg);
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if (!TheTarget)
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return make_error<StringError>(std::move(ErrMsg), inconvertibleErrorCode());
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auto *TM =
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TheTarget->createTargetMachine(TT.getTriple(), CPU, Features.getString(),
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Options, RM, CM, OptLevel, /*JIT*/ true);
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if (!TM)
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return make_error<StringError>("Could not allocate target machine",
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inconvertibleErrorCode());
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return std::unique_ptr<TargetMachine>(TM);
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}
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JITTargetMachineBuilder &JITTargetMachineBuilder::addFeatures(
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const std::vector<std::string> &FeatureVec) {
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for (const auto &F : FeatureVec)
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Features.AddFeature(F);
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return *this;
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}
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} // End namespace orc.
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} // End namespace llvm.
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