llvm-6502/lib/Target/XCore/MCTargetDesc/XCoreMCTargetDesc.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

90 lines
2.8 KiB
C++

//===-- XCoreMCTargetDesc.cpp - XCore 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 XCore specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "XCoreMCTargetDesc.h"
#include "XCoreMCAsmInfo.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 "XCoreGenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "XCoreGenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "XCoreGenRegisterInfo.inc"
using namespace llvm;
static MCInstrInfo *createXCoreMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitXCoreMCInstrInfo(X);
return X;
}
static MCRegisterInfo *createXCoreMCRegisterInfo(StringRef TT) {
MCRegisterInfo *X = new MCRegisterInfo();
InitXCoreMCRegisterInfo(X, XCore::LR);
return X;
}
static MCSubtargetInfo *createXCoreMCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS) {
MCSubtargetInfo *X = new MCSubtargetInfo();
InitXCoreMCSubtargetInfo(X, TT, CPU, FS);
return X;
}
static MCAsmInfo *createXCoreMCAsmInfo(const Target &T, StringRef TT) {
MCAsmInfo *MAI = new XCoreMCAsmInfo(T, TT);
// Initial state of the frame pointer is SP.
MachineLocation Dst(MachineLocation::VirtualFP);
MachineLocation Src(XCore::SP, 0);
MAI->addInitialFrameState(0, Dst, Src);
return MAI;
}
static MCCodeGenInfo *createXCoreMCCodeGenInfo(StringRef TT, Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL) {
MCCodeGenInfo *X = new MCCodeGenInfo();
X->InitMCCodeGenInfo(RM, CM, OL);
return X;
}
// Force static initialization.
extern "C" void LLVMInitializeXCoreTargetMC() {
// Register the MC asm info.
RegisterMCAsmInfoFn X(TheXCoreTarget, createXCoreMCAsmInfo);
// Register the MC codegen info.
TargetRegistry::RegisterMCCodeGenInfo(TheXCoreTarget,
createXCoreMCCodeGenInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(TheXCoreTarget, createXCoreMCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(TheXCoreTarget, createXCoreMCRegisterInfo);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(TheXCoreTarget,
createXCoreMCSubtargetInfo);
}