1*0b57cec5SDimitry Andric //===----- JITTargetMachineBuilder.cpp - Build TargetMachines for JIT -----===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric 9*0b57cec5SDimitry Andric #include "llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h" 10*0b57cec5SDimitry Andric 11*0b57cec5SDimitry Andric #include "llvm/Support/TargetRegistry.h" 12*0b57cec5SDimitry Andric 13*0b57cec5SDimitry Andric namespace llvm { 14*0b57cec5SDimitry Andric namespace orc { 15*0b57cec5SDimitry Andric 16*0b57cec5SDimitry Andric JITTargetMachineBuilder::JITTargetMachineBuilder(Triple TT) 17*0b57cec5SDimitry Andric : TT(std::move(TT)) { 18*0b57cec5SDimitry Andric Options.EmulatedTLS = true; 19*0b57cec5SDimitry Andric Options.ExplicitEmulatedTLS = true; 20*0b57cec5SDimitry Andric } 21*0b57cec5SDimitry Andric 22*0b57cec5SDimitry Andric Expected<JITTargetMachineBuilder> JITTargetMachineBuilder::detectHost() { 23*0b57cec5SDimitry Andric // FIXME: getProcessTriple is bogus. It returns the host LLVM was compiled on, 24*0b57cec5SDimitry Andric // rather than a valid triple for the current process. 25*0b57cec5SDimitry Andric return JITTargetMachineBuilder(Triple(sys::getProcessTriple())); 26*0b57cec5SDimitry Andric } 27*0b57cec5SDimitry Andric 28*0b57cec5SDimitry Andric Expected<std::unique_ptr<TargetMachine>> 29*0b57cec5SDimitry Andric JITTargetMachineBuilder::createTargetMachine() { 30*0b57cec5SDimitry Andric 31*0b57cec5SDimitry Andric std::string ErrMsg; 32*0b57cec5SDimitry Andric auto *TheTarget = TargetRegistry::lookupTarget(TT.getTriple(), ErrMsg); 33*0b57cec5SDimitry Andric if (!TheTarget) 34*0b57cec5SDimitry Andric return make_error<StringError>(std::move(ErrMsg), inconvertibleErrorCode()); 35*0b57cec5SDimitry Andric 36*0b57cec5SDimitry Andric auto *TM = 37*0b57cec5SDimitry Andric TheTarget->createTargetMachine(TT.getTriple(), CPU, Features.getString(), 38*0b57cec5SDimitry Andric Options, RM, CM, OptLevel, /*JIT*/ true); 39*0b57cec5SDimitry Andric if (!TM) 40*0b57cec5SDimitry Andric return make_error<StringError>("Could not allocate target machine", 41*0b57cec5SDimitry Andric inconvertibleErrorCode()); 42*0b57cec5SDimitry Andric 43*0b57cec5SDimitry Andric return std::unique_ptr<TargetMachine>(TM); 44*0b57cec5SDimitry Andric } 45*0b57cec5SDimitry Andric 46*0b57cec5SDimitry Andric JITTargetMachineBuilder &JITTargetMachineBuilder::addFeatures( 47*0b57cec5SDimitry Andric const std::vector<std::string> &FeatureVec) { 48*0b57cec5SDimitry Andric for (const auto &F : FeatureVec) 49*0b57cec5SDimitry Andric Features.AddFeature(F); 50*0b57cec5SDimitry Andric return *this; 51*0b57cec5SDimitry Andric } 52*0b57cec5SDimitry Andric 53*0b57cec5SDimitry Andric } // End namespace orc. 54*0b57cec5SDimitry Andric } // End namespace llvm. 55