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//===-- SparcTargetMachine.cpp - Define TargetMachine for Sparc -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
#include "SparcTargetMachine.h"
#include "SparcTargetObjectFile.h"
#include "Sparc.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/PassManager.h"
#include "llvm/Support/TargetRegistry.h"
using namespace llvm;
extern "C" void LLVMInitializeSparcTarget() {
// Register the target.
RegisterTargetMachine<SparcV8TargetMachine> X(TheSparcTarget);
RegisterTargetMachine<SparcV9TargetMachine> Y(TheSparcV9Target);
}
/// SparcTargetMachine ctor - Create an ILP32 architecture model
///
SparcTargetMachine::SparcTargetMachine(const Target &T, StringRef TT,
StringRef CPU, StringRef FS,
const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL,
bool is64bit)
: LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
TLOF(make_unique<SparcELFTargetObjectFile>()),
Subtarget(TT, CPU, FS, *this, is64bit) {
initAsmInfo();
}
SparcTargetMachine::~SparcTargetMachine() {}
namespace {
/// Sparc Code Generator Pass Configuration Options.
class SparcPassConfig : public TargetPassConfig {
public:
SparcPassConfig(SparcTargetMachine *TM, PassManagerBase &PM)
: TargetPassConfig(TM, PM) {}
SparcTargetMachine &getSparcTargetMachine() const {
return getTM<SparcTargetMachine>();
}
void addIRPasses() override;
bool addInstSelector() override;
bool addPreEmitPass() override;
};
} // namespace
TargetPassConfig *SparcTargetMachine::createPassConfig(PassManagerBase &PM) {
return new SparcPassConfig(this, PM);
}
void SparcPassConfig::addIRPasses() {
addPass(createAtomicExpandPass(&getSparcTargetMachine()));
TargetPassConfig::addIRPasses();
}
bool SparcPassConfig::addInstSelector() {
addPass(createSparcISelDag(getSparcTargetMachine()));
return false;
}
/// addPreEmitPass - This pass may be implemented by targets that want to run
/// passes immediately before machine code is emitted. This should return
/// true if -print-machineinstrs should print out the code after the passes.
bool SparcPassConfig::addPreEmitPass(){
addPass(createSparcDelaySlotFillerPass(getSparcTargetMachine()));
return true;
}
void SparcV8TargetMachine::anchor() { }
SparcV8TargetMachine::SparcV8TargetMachine(const Target &T,
StringRef TT, StringRef CPU,
StringRef FS,
const TargetOptions &Options,
Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL)
: SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {
}
void SparcV9TargetMachine::anchor() { }
SparcV9TargetMachine::SparcV9TargetMachine(const Target &T,
StringRef TT, StringRef CPU,
StringRef FS,
const TargetOptions &Options,
Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL)
: SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {
}
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