forked from OSchip/llvm-project
88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
//===-- SPUTargetMachine.cpp - Define TargetMachine for Cell SPU ----------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by a team from the Computer Systems Research
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// Department at The Aerospace Corporation.
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//
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// See README.txt for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Top-level implementation for the Cell SPU target.
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//
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//===----------------------------------------------------------------------===//
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#include "SPU.h"
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#include "SPURegisterNames.h"
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#include "SPUTargetAsmInfo.h"
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#include "SPUTargetMachine.h"
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#include "llvm/Module.h"
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#include "llvm/PassManager.h"
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#include "llvm/Target/TargetMachineRegistry.h"
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using namespace llvm;
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namespace {
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// Register the targets
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RegisterTarget<SPUTargetMachine>
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CELLSPU("cellspu", " STI CBEA Cell SPU");
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}
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const std::pair<unsigned, int> *
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SPUFrameInfo::getCalleeSaveSpillSlots(unsigned &NumEntries) const {
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NumEntries = 1;
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return &LR[0];
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}
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const TargetAsmInfo *
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SPUTargetMachine::createTargetAsmInfo() const
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{
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return new SPUTargetAsmInfo(*this);
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}
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unsigned
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SPUTargetMachine::getModuleMatchQuality(const Module &M)
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{
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// We strongly match "spu-*" or "cellspu-*".
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std::string TT = M.getTargetTriple();
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if ((TT.size() == 3 && std::string(TT.begin(), TT.begin()+3) == "spu")
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|| (TT.size() == 7 && std::string(TT.begin(), TT.begin()+7) == "cellspu")
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|| (TT.size() >= 4 && std::string(TT.begin(), TT.begin()+4) == "spu-")
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|| (TT.size() >= 8 && std::string(TT.begin(), TT.begin()+8) == "cellspu-"))
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return 20;
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return 0; // No match at all...
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}
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SPUTargetMachine::SPUTargetMachine(const Module &M, const std::string &FS)
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: Subtarget(*this, M, FS),
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DataLayout(Subtarget.getTargetDataString()),
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InstrInfo(*this),
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FrameInfo(*this),
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TLInfo(*this),
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InstrItins(Subtarget.getInstrItineraryData())
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{
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// For the time being, use static relocations, since there's really no
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// support for PIC yet.
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setRelocationModel(Reloc::Static);
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}
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//===----------------------------------------------------------------------===//
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// Pass Pipeline Configuration
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//===----------------------------------------------------------------------===//
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bool
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SPUTargetMachine::addInstSelector(FunctionPassManager &PM, bool Fast)
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{
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// Install an instruction selector.
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PM.add(createSPUISelDag(*this));
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return false;
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}
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bool SPUTargetMachine::addAssemblyEmitter(FunctionPassManager &PM, bool Fast,
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std::ostream &Out) {
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PM.add(createSPUAsmPrinterPass(Out, *this));
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return false;
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}
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