| //===- ARCTargetMachine.cpp - Define TargetMachine for ARC ------*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "ARCTargetMachine.h" |
| #include "ARC.h" |
| #include "ARCTargetTransformInfo.h" |
| #include "TargetInfo/ARCTargetInfo.h" |
| #include "llvm/CodeGen/Passes.h" |
| #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h" |
| #include "llvm/CodeGen/TargetPassConfig.h" |
| #include "llvm/MC/TargetRegistry.h" |
| |
| using namespace llvm; |
| |
| static Reloc::Model getRelocModel(Optional<Reloc::Model> RM) { |
| return RM.getValueOr(Reloc::Static); |
| } |
| |
| /// ARCTargetMachine ctor - Create an ILP32 architecture model |
| ARCTargetMachine::ARCTargetMachine(const Target &T, const Triple &TT, |
| StringRef CPU, StringRef FS, |
| const TargetOptions &Options, |
| Optional<Reloc::Model> RM, |
| Optional<CodeModel::Model> CM, |
| CodeGenOpt::Level OL, bool JIT) |
| : LLVMTargetMachine(T, |
| "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-" |
| "f32:32:32-i64:32-f64:32-a:0:32-n32", |
| TT, CPU, FS, Options, getRelocModel(RM), |
| getEffectiveCodeModel(CM, CodeModel::Small), OL), |
| TLOF(std::make_unique<TargetLoweringObjectFileELF>()), |
| Subtarget(TT, std::string(CPU), std::string(FS), *this) { |
| initAsmInfo(); |
| } |
| |
| ARCTargetMachine::~ARCTargetMachine() = default; |
| |
| namespace { |
| |
| /// ARC Code Generator Pass Configuration Options. |
| class ARCPassConfig : public TargetPassConfig { |
| public: |
| ARCPassConfig(ARCTargetMachine &TM, PassManagerBase &PM) |
| : TargetPassConfig(TM, PM) {} |
| |
| ARCTargetMachine &getARCTargetMachine() const { |
| return getTM<ARCTargetMachine>(); |
| } |
| |
| bool addInstSelector() override; |
| void addPreEmitPass() override; |
| void addPreRegAlloc() override; |
| }; |
| |
| } // end anonymous namespace |
| |
| TargetPassConfig *ARCTargetMachine::createPassConfig(PassManagerBase &PM) { |
| return new ARCPassConfig(*this, PM); |
| } |
| |
| bool ARCPassConfig::addInstSelector() { |
| addPass(createARCISelDag(getARCTargetMachine(), getOptLevel())); |
| return false; |
| } |
| |
| void ARCPassConfig::addPreEmitPass() { addPass(createARCBranchFinalizePass()); } |
| |
| void ARCPassConfig::addPreRegAlloc() { |
| addPass(createARCExpandPseudosPass()); |
| addPass(createARCOptAddrMode()); |
| } |
| |
| // Force static initialization. |
| extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeARCTarget() { |
| RegisterTargetMachine<ARCTargetMachine> X(getTheARCTarget()); |
| } |
| |
| TargetTransformInfo |
| ARCTargetMachine::getTargetTransformInfo(const Function &F) { |
| return TargetTransformInfo(ARCTTIImpl(this, F)); |
| } |