| //===-- XCoreTargetMachine.cpp - Define TargetMachine for XCore -----------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "XCoreTargetMachine.h" |
| #include "MCTargetDesc/XCoreMCTargetDesc.h" |
| #include "XCore.h" |
| #include "XCoreTargetObjectFile.h" |
| #include "XCoreTargetTransformInfo.h" |
| #include "llvm/ADT/Optional.h" |
| #include "llvm/ADT/STLExtras.h" |
| #include "llvm/Analysis/TargetTransformInfo.h" |
| #include "llvm/CodeGen/Passes.h" |
| #include "llvm/CodeGen/TargetPassConfig.h" |
| #include "llvm/Support/CodeGen.h" |
| #include "llvm/Support/TargetRegistry.h" |
| |
| using namespace llvm; |
| |
| static Reloc::Model getEffectiveRelocModel(Optional<Reloc::Model> RM) { |
| if (!RM.hasValue()) |
| return Reloc::Static; |
| return *RM; |
| } |
| |
| static CodeModel::Model getEffectiveCodeModel(Optional<CodeModel::Model> CM) { |
| if (CM) { |
| if (*CM != CodeModel::Small && *CM != CodeModel::Large) |
| report_fatal_error("Target only supports CodeModel Small or Large"); |
| return *CM; |
| } |
| return CodeModel::Small; |
| } |
| |
| /// Create an ILP32 architecture model |
| /// |
| XCoreTargetMachine::XCoreTargetMachine(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-i64:32-f64:32-a:0:32-n32", |
| TT, CPU, FS, Options, getEffectiveRelocModel(RM), |
| getEffectiveCodeModel(CM), OL), |
| TLOF(llvm::make_unique<XCoreTargetObjectFile>()), |
| Subtarget(TT, CPU, FS, *this) { |
| initAsmInfo(); |
| } |
| |
| XCoreTargetMachine::~XCoreTargetMachine() = default; |
| |
| namespace { |
| |
| /// XCore Code Generator Pass Configuration Options. |
| class XCorePassConfig : public TargetPassConfig { |
| public: |
| XCorePassConfig(XCoreTargetMachine &TM, PassManagerBase &PM) |
| : TargetPassConfig(TM, PM) {} |
| |
| XCoreTargetMachine &getXCoreTargetMachine() const { |
| return getTM<XCoreTargetMachine>(); |
| } |
| |
| void addIRPasses() override; |
| bool addPreISel() override; |
| bool addInstSelector() override; |
| void addPreEmitPass() override; |
| }; |
| |
| } // end anonymous namespace |
| |
| TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) { |
| return new XCorePassConfig(*this, PM); |
| } |
| |
| void XCorePassConfig::addIRPasses() { |
| addPass(createAtomicExpandPass()); |
| |
| TargetPassConfig::addIRPasses(); |
| } |
| |
| bool XCorePassConfig::addPreISel() { |
| addPass(createXCoreLowerThreadLocalPass()); |
| return false; |
| } |
| |
| bool XCorePassConfig::addInstSelector() { |
| addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel())); |
| return false; |
| } |
| |
| void XCorePassConfig::addPreEmitPass() { |
| addPass(createXCoreFrameToArgsOffsetEliminationPass(), false); |
| } |
| |
| // Force static initialization. |
| extern "C" void LLVMInitializeXCoreTarget() { |
| RegisterTargetMachine<XCoreTargetMachine> X(getTheXCoreTarget()); |
| } |
| |
| TargetTransformInfo |
| XCoreTargetMachine::getTargetTransformInfo(const Function &F) { |
| return TargetTransformInfo(XCoreTTIImpl(this, F)); |
| } |