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Current Path: /usr/src/contrib/llvm-project/llvm/lib/Target/MSP430

usr / src / contrib / llvm-project / llvm / lib / Target / MSP430 /

📁 ..
📁 AsmParser
📁 Disassembler
📁 MCTargetDesc
📄 MSP430.h(1.32 KB)
📄 MSP430.td(3.35 KB)
📄 MSP430AsmPrinter.cpp(6.68 KB)
📄 MSP430BranchSelector.cpp(8.62 KB)
📄 MSP430CallingConv.td(1.49 KB)
📄 MSP430FrameLowering.cpp(10.25 KB)
📄 MSP430FrameLowering.h(2.12 KB)
📄 MSP430ISelDAGToDAG.cpp(14.46 KB)
📄 MSP430ISelLowering.cpp(61.33 KB)
📄 MSP430ISelLowering.h(7.92 KB)
📄 MSP430InstrFormats.td(12.29 KB)
📄 MSP430InstrInfo.cpp(10.08 KB)
📄 MSP430InstrInfo.h(3.11 KB)
📄 MSP430InstrInfo.td(43.85 KB)
📄 MSP430MCInstLower.cpp(5.04 KB)
📄 MSP430MCInstLower.h(1.41 KB)
📄 MSP430MachineFunctionInfo.cpp(478 B)
📄 MSP430MachineFunctionInfo.h(2.22 KB)
📄 MSP430RegisterInfo.cpp(5.19 KB)
📄 MSP430RegisterInfo.h(1.48 KB)
📄 MSP430RegisterInfo.td(3.19 KB)
📄 MSP430Subtarget.cpp(2.1 KB)
📄 MSP430Subtarget.h(2.57 KB)
📄 MSP430TargetMachine.cpp(3.03 KB)
📄 MSP430TargetMachine.h(1.54 KB)
📁 TargetInfo

Editing: MSP430TargetMachine.cpp

//===-- MSP430TargetMachine.cpp - Define TargetMachine for MSP430 ---------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Top-level implementation for the MSP430 target.
//
//===----------------------------------------------------------------------===//

#include "MSP430TargetMachine.h"
#include "MSP430.h"
#include "TargetInfo/MSP430TargetInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/Support/TargetRegistry.h"
using namespace llvm;

extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeMSP430Target() {
  // Register the target.
  RegisterTargetMachine<MSP430TargetMachine> X(getTheMSP430Target());
}

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

static std::string computeDataLayout(const Triple &TT, StringRef CPU,
                                     const TargetOptions &Options) {
  return "e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16";
}

MSP430TargetMachine::MSP430TargetMachine(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, CPU, Options), TT, CPU, FS,
                        Options, getEffectiveRelocModel(RM),
                        getEffectiveCodeModel(CM, CodeModel::Small), OL),
      TLOF(std::make_unique<TargetLoweringObjectFileELF>()),
      Subtarget(TT, std::string(CPU), std::string(FS), *this) {
  initAsmInfo();
}

MSP430TargetMachine::~MSP430TargetMachine() {}

namespace {
/// MSP430 Code Generator Pass Configuration Options.
class MSP430PassConfig : public TargetPassConfig {
public:
  MSP430PassConfig(MSP430TargetMachine &TM, PassManagerBase &PM)
    : TargetPassConfig(TM, PM) {}

MSP430TargetMachine &getMSP430TargetMachine() const {
    return getTM<MSP430TargetMachine>();
  }

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

TargetPassConfig *MSP430TargetMachine::createPassConfig(PassManagerBase &PM) {
  return new MSP430PassConfig(*this, PM);
}

bool MSP430PassConfig::addInstSelector() {
  // Install an instruction selector.
  addPass(createMSP430ISelDag(getMSP430TargetMachine(), getOptLevel()));
  return false;
}

void MSP430PassConfig::addPreEmitPass() {
  // Must run branch selection immediately preceding the asm printer.
  addPass(createMSP430BranchSelectionPass(), false);
}

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Editing: MSP430TargetMachine.cpp

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