llvm-6502/lib/Target/CellSPU/MCTargetDesc/SPUMCTargetDesc.cpp
Evan Cheng b95fc31aa2 Sink codegen optimization level into MCCodeGenInfo along side relocation model
and code model. This eliminates the need to pass OptLevel flag all over the
place and makes it possible for any codegen pass to use this information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144788 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16 08:38:26 +00:00

94 lines
3.0 KiB
C++

//===-- SPUMCTargetDesc.cpp - Cell SPU Target Descriptions -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file provides Cell SPU specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "SPUMCTargetDesc.h"
#include "SPUMCAsmInfo.h"
#include "llvm/MC/MachineLocation.h"
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/TargetRegistry.h"
#define GET_INSTRINFO_MC_DESC
#include "SPUGenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "SPUGenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "SPUGenRegisterInfo.inc"
using namespace llvm;
static MCInstrInfo *createSPUMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitSPUMCInstrInfo(X);
return X;
}
static MCRegisterInfo *createCellSPUMCRegisterInfo(StringRef TT) {
MCRegisterInfo *X = new MCRegisterInfo();
InitSPUMCRegisterInfo(X, SPU::R0);
return X;
}
static MCSubtargetInfo *createSPUMCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS) {
MCSubtargetInfo *X = new MCSubtargetInfo();
InitSPUMCSubtargetInfo(X, TT, CPU, FS);
return X;
}
static MCAsmInfo *createSPUMCAsmInfo(const Target &T, StringRef TT) {
MCAsmInfo *MAI = new SPULinuxMCAsmInfo(T, TT);
// Initial state of the frame pointer is R1.
MachineLocation Dst(MachineLocation::VirtualFP);
MachineLocation Src(SPU::R1, 0);
MAI->addInitialFrameState(0, Dst, Src);
return MAI;
}
static MCCodeGenInfo *createSPUMCCodeGenInfo(StringRef TT, Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL) {
MCCodeGenInfo *X = new MCCodeGenInfo();
// For the time being, use static relocations, since there's really no
// support for PIC yet.
X->InitMCCodeGenInfo(Reloc::Static, CM, OL);
return X;
}
// Force static initialization.
extern "C" void LLVMInitializeCellSPUTargetMC() {
// Register the MC asm info.
RegisterMCAsmInfoFn X(TheCellSPUTarget, createSPUMCAsmInfo);
// Register the MC codegen info.
TargetRegistry::RegisterMCCodeGenInfo(TheCellSPUTarget,
createSPUMCCodeGenInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(TheCellSPUTarget, createSPUMCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(TheCellSPUTarget,
createCellSPUMCRegisterInfo);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(TheCellSPUTarget,
createSPUMCSubtargetInfo);
}