MipsTargetMachine.cpp [plain text]
#include "Mips.h"
#include "MipsTargetAsmInfo.h"
#include "MipsTargetMachine.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/Target/TargetMachineRegistry.h"
using namespace llvm;
extern "C" int MipsTargetMachineModule;
int MipsTargetMachineModule = 0;
static RegisterTarget<MipsTargetMachine> X("mips", "Mips");
static RegisterTarget<MipselTargetMachine> Y("mipsel", "Mipsel");
const TargetAsmInfo *MipsTargetMachine::
createTargetAsmInfo() const
{
return new MipsTargetAsmInfo(*this);
}
MipsTargetMachine::
MipsTargetMachine(const Module &M, const std::string &FS, bool isLittle=false):
Subtarget(*this, M, FS, isLittle),
DataLayout(isLittle ? std::string("e-p:32:32:32-i8:8:32-i16:16:32") :
std::string("E-p:32:32:32-i8:8:32-i16:16:32")),
InstrInfo(*this),
FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0),
TLInfo(*this)
{
if (Subtarget.hasABICall())
setRelocationModel(Reloc::PIC_);
if (getCodeModel() == CodeModel::Default)
setCodeModel(CodeModel::Small);
}
MipselTargetMachine::
MipselTargetMachine(const Module &M, const std::string &FS) :
MipsTargetMachine(M, FS, true) {}
unsigned MipsTargetMachine::
getModuleMatchQuality(const Module &M)
{
std::string TT = M.getTargetTriple();
if (TT.size() >= 5 && std::string(TT.begin(), TT.begin()+5) == "mips-")
return 20;
if (TT.size() >= 13 && std::string(TT.begin(),
TT.begin()+13) == "mipsallegrex-")
return 20;
return 0;
}
unsigned MipselTargetMachine::
getModuleMatchQuality(const Module &M)
{
std::string TT = M.getTargetTriple();
if (TT.size() >= 7 && std::string(TT.begin(), TT.begin()+7) == "mipsel-")
return 20;
if (TT.size() >= 15 && std::string(TT.begin(),
TT.begin()+15) == "mipsallegrexel-")
return 20;
if (TT.size() == 3 && std::string(TT.begin(), TT.begin()+3) == "psp")
return 20;
return 0;
}
bool MipsTargetMachine::
addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
{
PM.add(createMipsISelDag(*this));
return false;
}
bool MipsTargetMachine::
addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
{
PM.add(createMipsDelaySlotFillerPass(*this));
return true;
}
bool MipsTargetMachine::
addAssemblyEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
bool Verbose, raw_ostream &Out)
{
PM.add(createMipsCodePrinterPass(Out, *this, OptLevel, Verbose));
return false;
}