MipsTargetMachine.cpp [plain text]
#include "Mips.h"
#include "MipsMCAsmInfo.h"
#include "MipsTargetMachine.h"
#include "llvm/PassManager.h"
#include "llvm/Target/TargetRegistry.h"
using namespace llvm;
extern "C" void LLVMInitializeMipsTarget() {
RegisterTargetMachine<MipsTargetMachine> X(TheMipsTarget);
RegisterTargetMachine<MipselTargetMachine> Y(TheMipselTarget);
RegisterAsmInfo<MipsMCAsmInfo> A(TheMipsTarget);
RegisterAsmInfo<MipsMCAsmInfo> B(TheMipselTarget);
}
MipsTargetMachine::
MipsTargetMachine(const Target &T, const std::string &TT, const std::string &FS,
bool isLittle=false):
LLVMTargetMachine(T, TT),
Subtarget(TT, FS, isLittle),
DataLayout(isLittle ? std::string("e-p:32:32:32-i8:8:32-i16:16:32-n32") :
std::string("E-p:32:32:32-i8:8:32-i16:16:32-n32")),
InstrInfo(*this),
FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0),
TLInfo(*this) {
if (getRelocationModel() == Reloc::Default) {
if (Subtarget.isABI_O32())
setRelocationModel(Reloc::PIC_);
else
setRelocationModel(Reloc::Static);
}
}
MipselTargetMachine::
MipselTargetMachine(const Target &T, const std::string &TT,
const std::string &FS) :
MipsTargetMachine(T, TT, FS, true) {}
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;
}