forked from OSchip/llvm-project
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
//===-- 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"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
// Register the targets
|
|
RegisterTarget<SPUTargetMachine>
|
|
CELLSPU("cellspu", " STI CBEA Cell SPU");
|
|
}
|
|
|
|
const std::pair<unsigned, int> *
|
|
SPUFrameInfo::getCalleeSaveSpillSlots(unsigned &NumEntries) const {
|
|
NumEntries = 1;
|
|
return &LR[0];
|
|
}
|
|
|
|
const TargetAsmInfo *
|
|
SPUTargetMachine::createTargetAsmInfo() const
|
|
{
|
|
return new SPUTargetAsmInfo(*this);
|
|
}
|
|
|
|
unsigned
|
|
SPUTargetMachine::getModuleMatchQuality(const Module &M)
|
|
{
|
|
// We strongly match "spu-*" or "cellspu-*".
|
|
std::string TT = M.getTargetTriple();
|
|
if ((TT.size() == 3 && std::string(TT.begin(), TT.begin()+3) == "spu")
|
|
|| (TT.size() == 7 && std::string(TT.begin(), TT.begin()+7) == "cellspu")
|
|
|| (TT.size() >= 4 && std::string(TT.begin(), TT.begin()+4) == "spu-")
|
|
|| (TT.size() >= 8 && std::string(TT.begin(), TT.begin()+8) == "cellspu-"))
|
|
return 20;
|
|
|
|
return 0; // No match at all...
|
|
}
|
|
|
|
SPUTargetMachine::SPUTargetMachine(const Module &M, const std::string &FS)
|
|
: 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(FunctionPassManager &PM, bool Fast)
|
|
{
|
|
// Install an instruction selector.
|
|
PM.add(createSPUISelDag(*this));
|
|
return false;
|
|
}
|
|
|
|
bool SPUTargetMachine::addAssemblyEmitter(FunctionPassManager &PM, bool Fast,
|
|
std::ostream &Out) {
|
|
PM.add(createSPUAsmPrinterPass(Out, *this));
|
|
return false;
|
|
}
|