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llvm-mirror/lib/Target/Skeleton/SkeletonRegisterInfo.cpp

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//===- SkeletonRegisterInfo.cpp - Skeleton Register Information -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the Skeleton implementation of the MRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#include "Skeleton.h"
#include "SkeletonRegisterInfo.h"
#include "llvm/Type.h"
using namespace llvm;
SkeletonRegisterInfo::SkeletonRegisterInfo()
: SkeletonGenRegisterInfo(Skeleton::ADJCALLSTACKDOWN,
Skeleton::ADJCALLSTACKUP) {}
void SkeletonRegisterInfo::
storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
unsigned SrcReg, int FrameIdx) const {
abort();
}
void SkeletonRegisterInfo::
loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
unsigned DestReg, int FrameIdx) const {
abort();
}
void SkeletonRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *RC) const {
abort();
}
void SkeletonRegisterInfo::
eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const {
abort();
}
void SkeletonRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II)
const {
abort();
}
void SkeletonRegisterInfo::
processFunctionBeforeFrameFinalized(MachineFunction &MF) const {
abort();
}
void SkeletonRegisterInfo::emitPrologue(MachineFunction &MF) const {
abort();
}
void SkeletonRegisterInfo::emitEpilogue(MachineFunction &MF,
MachineBasicBlock &MBB) const {
abort();
}
#include "SkeletonGenRegisterInfo.inc"
const TargetRegisterClass*
SkeletonRegisterInfo::getRegClassForType(const Type* Ty) const {
switch (Ty->getTypeID()) {
case Type::LongTyID:
case Type::ULongTyID: assert(0 && "Long values can't fit in registers!");
default: assert(0 && "Invalid type to getClass!");
case Type::BoolTyID:
case Type::SByteTyID:
case Type::UByteTyID:
case Type::ShortTyID:
case Type::UShortTyID:
case Type::IntTyID:
case Type::UIntTyID:
case Type::PointerTyID: return &GPRCInstance;
case Type::FloatTyID:
case Type::DoubleTyID: return &FPRCInstance;
}
}