77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
#include "Foot.h"
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#include "FootTargetMachine.h"
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#include "FootTargetObjectFile.h"
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#include "TargetInfo/FootTargetInfo.h"
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#include "llvm/CodeGen/GlobalISel/IRTranslator.h"
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#include "llvm/MC/TargetRegistry.h"
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using namespace llvm;
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static const char* FootDataLayoutStr =
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"e-"
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"p:32:32-"
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"n8:16:32-"
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"i64:64:64-i32:32:32-i16:16:32-"
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"f32:32:32-"
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"v32:32:32";
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using namespace llvm;
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FootTargetMachine::FootTargetMachine(const Target &T, const Triple &TT,
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StringRef CPU, StringRef FS,
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const TargetOptions &Options,
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std::optional<Reloc::Model> RM,
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std::optional<CodeModel::Model> CM,
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CodeGenOptLevel OL,
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bool JIT)
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: CodeGenTargetMachineImpl(T, FootDataLayoutStr, TT, CPU, FS, Options, RM ? *RM : Reloc::Static, CM ? *CM : CodeModel::Small, OL) {
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initAsmInfo();
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}
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FootTargetMachine::~FootTargetMachine() = default;
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TargetPassConfig *FootTargetMachine::createPassConfig(PassManagerBase &PM) {
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return new FootPassConfig(*this, PM);
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}
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TargetLoweringObjectFile *FootTargetMachine::getObjFileLowering() const {
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static FootTargetObjectFileELF TLOF;
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return &TLOF;
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}
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const FootSubtarget *FootTargetMachine::getSubtargetImpl(const Function &F) const {
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Attribute CPUAttr = F.getFnAttribute("target-cpu");
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Attribute FSAttr = F.getFnAttribute("target-features");
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StringRef CPU = CPUAttr.isValid() ? CPUAttr.getValueAsString() : TargetCPU;
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StringRef FS = FSAttr.isValid() ? FSAttr.getValueAsString() : TargetFS;
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if (!SubtargetSingleton) {
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SubtargetSingleton = std::make_unique<FootSubtarget>(TargetTriple, CPU, FS, *this);
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}
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return SubtargetSingleton.get();
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}
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FootPassConfig::FootPassConfig(TargetMachine &TM, PassManagerBase &PM) :
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TargetPassConfig(TM, PM) {}
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bool FootPassConfig::addInstSelector() {
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addPass(createFootISelDAG(getFootTargetMachine()));
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return false;
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}
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void FootPassConfig::addIRPasses() {
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TargetPassConfig::addIRPasses();
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}
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void FootPassConfig::addPreEmitPass() {
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addPass(createFootRemovePseudoInstructionsPassForLegacyPM());
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}
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extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeFootTarget()
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{
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RegisterTargetMachine<FootTargetMachine> X(getTheFootTarget());
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}
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