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Current Path: /usr/src/contrib/llvm-project/llvm/lib/Target/VE

usr / src / contrib / llvm-project / llvm / lib / Target / VE /

📁 ..
📁 AsmParser
📁 Disassembler
📁 MCTargetDesc
📁 TargetInfo
📄 VE.h(8.79 KB)
📄 VE.td(2.21 KB)
📄 VEAsmPrinter.cpp(12.54 KB)
📄 VECallingConv.td(3.05 KB)
📄 VEFrameLowering.cpp(13.39 KB)
📄 VEFrameLowering.h(3.35 KB)
📄 VEISelDAGToDAG.cpp(10.27 KB)
📄 VEISelLowering.cpp(37.14 KB)
📄 VEISelLowering.h(4.23 KB)
📄 VEInstrFormats.td(5.53 KB)
📄 VEInstrInfo.cpp(20.02 KB)
📄 VEInstrInfo.h(3.35 KB)
📄 VEInstrInfo.td(80.08 KB)
📄 VEMCInstLower.cpp(2.83 KB)
📄 VEMachineFunctionInfo.cpp(469 B)
📄 VEMachineFunctionInfo.h(1.57 KB)
📄 VERegisterInfo.cpp(5.07 KB)
📄 VERegisterInfo.h(1.75 KB)
📄 VERegisterInfo.td(5.67 KB)
📄 VESubtarget.cpp(4.04 KB)
📄 VESubtarget.h(2.38 KB)
📄 VETargetMachine.cpp(3.23 KB)
📄 VETargetMachine.h(1.95 KB)
📄 VETargetTransformInfo.h(1.72 KB)

Editing: VETargetMachine.cpp

//===-- VETargetMachine.cpp - Define TargetMachine for VE -----------------===//
//
// 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 "VETargetMachine.h"
#include "TargetInfo/VETargetInfo.h"
#include "VE.h"
#include "VETargetTransformInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/Support/TargetRegistry.h"

using namespace llvm;

#define DEBUG_TYPE "ve"

extern "C" void LLVMInitializeVETarget() {
  // Register the target.
  RegisterTargetMachine<VETargetMachine> X(getTheVETarget());
}

static std::string computeDataLayout(const Triple &T) {
  // Aurora VE is little endian
  std::string Ret = "e";

// Use ELF mangling
  Ret += "-m:e";

// Alignments for 64 bit integers.
  Ret += "-i64:64";

// VE supports 32 bit and 64 bits integer on registers
  Ret += "-n32:64";

// Stack alignment is 128 bits
  Ret += "-S128";

return Ret;
}

static Reloc::Model getEffectiveRelocModel(Optional<Reloc::Model> RM) {
  if (!RM.hasValue())
    return Reloc::Static;
  return *RM;
}

class VEELFTargetObjectFile : public TargetLoweringObjectFileELF {
  void Initialize(MCContext &Ctx, const TargetMachine &TM) override {
    TargetLoweringObjectFileELF::Initialize(Ctx, TM);
    InitializeELF(TM.Options.UseInitArray);
  }
};

static std::unique_ptr<TargetLoweringObjectFile> createTLOF() {
  return std::make_unique<VEELFTargetObjectFile>();
}

/// Create an Aurora VE architecture model
VETargetMachine::VETargetMachine(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, computeDataLayout(TT), TT, CPU, FS, Options,
                        getEffectiveRelocModel(RM),
                        getEffectiveCodeModel(CM, CodeModel::Small), OL),
      TLOF(createTLOF()),
      Subtarget(TT, std::string(CPU), std::string(FS), *this) {
  initAsmInfo();
}

VETargetMachine::~VETargetMachine() {}

TargetTransformInfo VETargetMachine::getTargetTransformInfo(const Function &F) {
  return TargetTransformInfo(VETTIImpl(this, F));
}

namespace {
/// VE Code Generator Pass Configuration Options.
class VEPassConfig : public TargetPassConfig {
public:
  VEPassConfig(VETargetMachine &TM, PassManagerBase &PM)
      : TargetPassConfig(TM, PM) {}

VETargetMachine &getVETargetMachine() const {
    return getTM<VETargetMachine>();
  }

bool addInstSelector() override;
};
} // namespace

TargetPassConfig *VETargetMachine::createPassConfig(PassManagerBase &PM) {
  return new VEPassConfig(*this, PM);
}

bool VEPassConfig::addInstSelector() {
  addPass(createVEISelDag(getVETargetMachine()));
  return false;
}

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Editing: VETargetMachine.cpp

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