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//===-- SPUTargetMachine.cpp - Define TargetMachine for Cell SPU ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Top-level implementation for the Cell SPU target.
//
//===----------------------------------------------------------------------===//
#include "SPU.h"
#include "SPURegisterNames.h"
#include "SPUTargetAsmInfo.h"
#include "SPUTargetMachine.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/Target/TargetMachineRegistry.h"
#include "llvm/CodeGen/RegAllocRegistry.h"
#include "llvm/CodeGen/SchedulerRegistry.h"
using namespace llvm;
extern Target TheCellSPUTarget;
namespace {
// Register the targets
RegisterTarget<SPUTargetMachine>
CELLSPU(TheCellSPUTarget, "cellspu", "STI CBEA Cell SPU [experimental]");
}
// No assembler printer by default
SPUTargetMachine::AsmPrinterCtorFn SPUTargetMachine::AsmPrinterCtor = 0;
// Force static initialization.
extern "C" void LLVMInitializeCellSPUTarget() { }
const std::pair<unsigned, int> *
SPUFrameInfo::getCalleeSaveSpillSlots(unsigned &NumEntries) const {
NumEntries = 1;
return &LR[0];
}
const TargetAsmInfo *
SPUTargetMachine::createTargetAsmInfo() const
{
return new SPULinuxTargetAsmInfo(*this);
}
SPUTargetMachine::SPUTargetMachine(const Target &T, const Module &M,
const std::string &FS)
: LLVMTargetMachine(T),
Subtarget(*this, M, FS),
DataLayout(Subtarget.getTargetDataString()),
InstrInfo(*this),
FrameInfo(*this),
TLInfo(*this),
InstrItins(Subtarget.getInstrItineraryData())
{
// For the time being, use static relocations, since there's really no
// support for PIC yet.
setRelocationModel(Reloc::Static);
}
//===----------------------------------------------------------------------===//
// Pass Pipeline Configuration
//===----------------------------------------------------------------------===//
bool
SPUTargetMachine::addInstSelector(PassManagerBase &PM,
CodeGenOpt::Level OptLevel)
{
// Install an instruction selector.
PM.add(createSPUISelDag(*this));
return false;
}
bool SPUTargetMachine::addAssemblyEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
bool Verbose,
formatted_raw_ostream &Out) {
// Output assembly language.
assert(AsmPrinterCtor && "AsmPrinter was not linked in");
if (AsmPrinterCtor)
PM.add(AsmPrinterCtor(Out, *this, Verbose));
return false;
}
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