AlphaTargetMachine.cpp [plain text]
#include "Alpha.h"
#include "AlphaJITInfo.h"
#include "AlphaTargetAsmInfo.h"
#include "AlphaTargetMachine.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/Target/TargetMachineRegistry.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
extern "C" int AlphaTargetMachineModule;
int AlphaTargetMachineModule = 0;
static RegisterTarget<AlphaTargetMachine> X("alpha", "Alpha [experimental]");
const TargetAsmInfo *AlphaTargetMachine::createTargetAsmInfo() const {
return new AlphaTargetAsmInfo(*this);
}
unsigned AlphaTargetMachine::getModuleMatchQuality(const Module &M) {
std::string TT = M.getTargetTriple();
if (TT.size() >= 5 && TT[0] == 'a' && TT[1] == 'l' && TT[2] == 'p' &&
TT[3] == 'h' && TT[4] == 'a')
return 20;
if (!TT.empty()) return 0;
if (M.getEndianness() == Module::LittleEndian &&
M.getPointerSize() == Module::Pointer64)
return 10; else if (M.getEndianness() != Module::AnyEndianness ||
M.getPointerSize() != Module::AnyPointerSize)
return 0;
return getJITMatchQuality()/2;
}
unsigned AlphaTargetMachine::getJITMatchQuality() {
#ifdef __alpha
return 10;
#else
return 0;
#endif
}
AlphaTargetMachine::AlphaTargetMachine(const Module &M, const std::string &FS)
: DataLayout("e-f128:128:128"),
FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
JITInfo(*this),
Subtarget(M, FS),
TLInfo(*this) {
setRelocationModel(Reloc::PIC_);
}
bool AlphaTargetMachine::addInstSelector(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
PM.add(createAlphaISelDag(*this));
return false;
}
bool AlphaTargetMachine::addPreEmitPass(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
PM.add(createAlphaBranchSelectionPass());
return false;
}
bool AlphaTargetMachine::addAssemblyEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
bool Verbose,
raw_ostream &Out) {
PM.add(createAlphaLLRPPass(*this));
PM.add(createAlphaCodePrinterPass(Out, *this, OptLevel, Verbose));
return false;
}
bool AlphaTargetMachine::addCodeEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
bool DumpAsm, MachineCodeEmitter &MCE) {
PM.add(createAlphaCodeEmitterPass(*this, MCE));
if (DumpAsm)
PM.add(createAlphaCodePrinterPass(errs(), *this, OptLevel, true));
return false;
}
bool AlphaTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
bool DumpAsm,
MachineCodeEmitter &MCE) {
return addCodeEmitter(PM, OptLevel, DumpAsm, MCE);
}