RI(*this, STI) {
}
-const TargetRegisterClass *ARMInstrInfo::getPointerRegClass() const {
- return &ARM::GPRRegClass;
-}
/// Return true if the instruction is a register to register move and
/// leave the source and dest operands in the passed parameters.
///
bool ARMInstrInfo::isMoveInstr(const MachineInstr &MI,
- unsigned &SrcReg, unsigned &DstReg) const {
+ unsigned &SrcReg, unsigned &DstReg,
+ unsigned& SrcSubIdx, unsigned& DstSubIdx) const {
+ SrcSubIdx = DstSubIdx = 0; // No sub-registers.
+
unsigned oc = MI.getOpcode();
switch (oc) {
default:
MachineBasicBlock::iterator I,
unsigned DestReg,
const MachineInstr *Orig) const {
+ DebugLoc dl = Orig->getDebugLoc();
if (Orig->getOpcode() == ARM::MOVi2pieces) {
RI.emitLoadConstPool(MBB, I, DestReg, Orig->getOperand(1).getImm(),
Orig->getOperand(2).getImm(),
- Orig->getOperand(3).getReg(), this, false);
+ Orig->getOperand(3).getReg(), this, false, dl);
return;
}
// Can't encode it in a so_imm operand. This transformation will
// add more than 1 instruction. Abandon!
return NULL;
- UpdateMI = BuildMI(MF, get(isSub ? ARM::SUBri : ARM::ADDri), WBReg)
+ UpdateMI = BuildMI(MF, MI->getDebugLoc(),
+ get(isSub ? ARM::SUBri : ARM::ADDri), WBReg)
.addReg(BaseReg).addImm(SOImmVal)
.addImm(Pred).addReg(0).addReg(0);
} else if (Amt != 0) {
ARM_AM::ShiftOpc ShOpc = ARM_AM::getAM2ShiftOpc(OffImm);
unsigned SOOpc = ARM_AM::getSORegOpc(ShOpc, Amt);
- UpdateMI = BuildMI(MF, get(isSub ? ARM::SUBrs : ARM::ADDrs), WBReg)
+ UpdateMI = BuildMI(MF, MI->getDebugLoc(),
+ get(isSub ? ARM::SUBrs : ARM::ADDrs), WBReg)
.addReg(BaseReg).addReg(OffReg).addReg(0).addImm(SOOpc)
.addImm(Pred).addReg(0).addReg(0);
} else
- UpdateMI = BuildMI(MF, get(isSub ? ARM::SUBrr : ARM::ADDrr), WBReg)
+ UpdateMI = BuildMI(MF, MI->getDebugLoc(),
+ get(isSub ? ARM::SUBrr : ARM::ADDrr), WBReg)
.addReg(BaseReg).addReg(OffReg)
.addImm(Pred).addReg(0).addReg(0);
break;
unsigned Amt = ARM_AM::getAM3Offset(OffImm);
if (OffReg == 0)
// Immediate is 8-bits. It's guaranteed to fit in a so_imm operand.
- UpdateMI = BuildMI(MF, get(isSub ? ARM::SUBri : ARM::ADDri), WBReg)
+ UpdateMI = BuildMI(MF, MI->getDebugLoc(),
+ get(isSub ? ARM::SUBri : ARM::ADDri), WBReg)
.addReg(BaseReg).addImm(Amt)
.addImm(Pred).addReg(0).addReg(0);
else
- UpdateMI = BuildMI(MF, get(isSub ? ARM::SUBrr : ARM::ADDrr), WBReg)
+ UpdateMI = BuildMI(MF, MI->getDebugLoc(),
+ get(isSub ? ARM::SUBrr : ARM::ADDrr), WBReg)
.addReg(BaseReg).addReg(OffReg)
.addImm(Pred).addReg(0).addReg(0);
break;
std::vector<MachineInstr*> NewMIs;
if (isPre) {
if (isLoad)
- MemMI = BuildMI(MF, get(MemOpc), MI->getOperand(0).getReg())
+ MemMI = BuildMI(MF, MI->getDebugLoc(),
+ get(MemOpc), MI->getOperand(0).getReg())
.addReg(WBReg).addReg(0).addImm(0).addImm(Pred);
else
- MemMI = BuildMI(MF, get(MemOpc)).addReg(MI->getOperand(1).getReg())
+ MemMI = BuildMI(MF, MI->getDebugLoc(),
+ get(MemOpc)).addReg(MI->getOperand(1).getReg())
.addReg(WBReg).addReg(0).addImm(0).addImm(Pred);
NewMIs.push_back(MemMI);
NewMIs.push_back(UpdateMI);
} else {
if (isLoad)
- MemMI = BuildMI(MF, get(MemOpc), MI->getOperand(0).getReg())
+ MemMI = BuildMI(MF, MI->getDebugLoc(),
+ get(MemOpc), MI->getOperand(0).getReg())
.addReg(BaseReg).addReg(0).addImm(0).addImm(Pred);
else
- MemMI = BuildMI(MF, get(MemOpc)).addReg(MI->getOperand(1).getReg())
+ MemMI = BuildMI(MF, MI->getDebugLoc(),
+ get(MemOpc)).addReg(MI->getOperand(1).getReg())
.addReg(BaseReg).addReg(0).addImm(0).addImm(Pred);
if (WB.isDead())
UpdateMI->getOperand(0).setIsDead();
// Branch analysis.
bool ARMInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB,
MachineBasicBlock *&FBB,
- SmallVectorImpl<MachineOperand> &Cond) const {
+ SmallVectorImpl<MachineOperand> &Cond,
+ bool AllowModify) const {
// If the block has no terminators, it just falls into the block after it.
MachineBasicBlock::iterator I = MBB.end();
if (I == MBB.begin() || !isUnpredicatedTerminator(--I))
(LastOpc == ARM::B || LastOpc == ARM::tB)) {
TBB = SecondLastInst->getOperand(0).getMBB();
I = LastInst;
- I->eraseFromParent();
+ if (AllowModify)
+ I->eraseFromParent();
return false;
}
SecondLastOpc == ARM::BR_JTadd || SecondLastOpc==ARM::tBR_JTr) &&
(LastOpc == ARM::B || LastOpc == ARM::tB)) {
I = LastInst;
- I->eraseFromParent();
+ if (AllowModify)
+ I->eraseFromParent();
return true;
}
unsigned ARMInstrInfo::InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const SmallVectorImpl<MachineOperand> &Cond) const {
+ // FIXME this should probably have a DebugLoc argument
+ DebugLoc dl = DebugLoc::getUnknownLoc();
MachineFunction &MF = *MBB.getParent();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
int BOpc = AFI->isThumbFunction() ? ARM::tB : ARM::B;
if (FBB == 0) {
if (Cond.empty()) // Unconditional branch?
- BuildMI(&MBB, get(BOpc)).addMBB(TBB);
+ BuildMI(&MBB, dl, get(BOpc)).addMBB(TBB);
else
- BuildMI(&MBB, get(BccOpc)).addMBB(TBB)
+ BuildMI(&MBB, dl, get(BccOpc)).addMBB(TBB)
.addImm(Cond[0].getImm()).addReg(Cond[1].getReg());
return 1;
}
// Two-way conditional branch.
- BuildMI(&MBB, get(BccOpc)).addMBB(TBB)
+ BuildMI(&MBB, dl, get(BccOpc)).addMBB(TBB)
.addImm(Cond[0].getImm()).addReg(Cond[1].getReg());
- BuildMI(&MBB, get(BOpc)).addMBB(FBB);
+ BuildMI(&MBB, dl, get(BOpc)).addMBB(FBB);
return 2;
}
return false;
}
+ DebugLoc DL = DebugLoc::getUnknownLoc();
+ if (I != MBB.end()) DL = I->getDebugLoc();
+
if (DestRC == ARM::GPRRegisterClass) {
MachineFunction &MF = *MBB.getParent();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
if (AFI->isThumbFunction())
- BuildMI(MBB, I, get(ARM::tMOVr), DestReg).addReg(SrcReg);
+ BuildMI(MBB, I, DL, get(ARM::tMOVr), DestReg).addReg(SrcReg);
else
- AddDefaultCC(AddDefaultPred(BuildMI(MBB, I, get(ARM::MOVr), DestReg)
+ AddDefaultCC(AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::MOVr), DestReg)
.addReg(SrcReg)));
} else if (DestRC == ARM::SPRRegisterClass)
- AddDefaultPred(BuildMI(MBB, I, get(ARM::FCPYS), DestReg)
+ AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::FCPYS), DestReg)
.addReg(SrcReg));
else if (DestRC == ARM::DPRRegisterClass)
- AddDefaultPred(BuildMI(MBB, I, get(ARM::FCPYD), DestReg)
+ AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::FCPYD), DestReg)
.addReg(SrcReg));
else
return false;
storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
unsigned SrcReg, bool isKill, int FI,
const TargetRegisterClass *RC) const {
+ DebugLoc DL = DebugLoc::getUnknownLoc();
+ if (I != MBB.end()) DL = I->getDebugLoc();
+
if (RC == ARM::GPRRegisterClass) {
MachineFunction &MF = *MBB.getParent();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
if (AFI->isThumbFunction())
- BuildMI(MBB, I, get(ARM::tSpill)).addReg(SrcReg, false, false, isKill)
+ BuildMI(MBB, I, DL, get(ARM::tSpill))
+ .addReg(SrcReg, false, false, isKill)
.addFrameIndex(FI).addImm(0);
else
- AddDefaultPred(BuildMI(MBB, I, get(ARM::STR))
+ AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::STR))
.addReg(SrcReg, false, false, isKill)
.addFrameIndex(FI).addReg(0).addImm(0));
} else if (RC == ARM::DPRRegisterClass) {
- AddDefaultPred(BuildMI(MBB, I, get(ARM::FSTD))
+ AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::FSTD))
.addReg(SrcReg, false, false, isKill)
.addFrameIndex(FI).addImm(0));
} else {
assert(RC == ARM::SPRRegisterClass && "Unknown regclass!");
- AddDefaultPred(BuildMI(MBB, I, get(ARM::FSTS))
+ AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::FSTS))
.addReg(SrcReg, false, false, isKill)
.addFrameIndex(FI).addImm(0));
}
}
void ARMInstrInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
- bool isKill,
- SmallVectorImpl<MachineOperand> &Addr,
- const TargetRegisterClass *RC,
- SmallVectorImpl<MachineInstr*> &NewMIs) const {
+ bool isKill,
+ SmallVectorImpl<MachineOperand> &Addr,
+ const TargetRegisterClass *RC,
+ SmallVectorImpl<MachineInstr*> &NewMIs) const{
+ DebugLoc DL = DebugLoc::getUnknownLoc();
unsigned Opc = 0;
if (RC == ARM::GPRRegisterClass) {
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
if (AFI->isThumbFunction()) {
Opc = Addr[0].isFI() ? ARM::tSpill : ARM::tSTR;
MachineInstrBuilder MIB =
- BuildMI(MF, get(Opc)).addReg(SrcReg, false, false, isKill);
+ BuildMI(MF, DL, get(Opc)).addReg(SrcReg, false, false, isKill);
for (unsigned i = 0, e = Addr.size(); i != e; ++i)
MIB = ARMInstrAddOperand(MIB, Addr[i]);
NewMIs.push_back(MIB);
}
MachineInstrBuilder MIB =
- BuildMI(MF, get(Opc)).addReg(SrcReg, false, false, isKill);
+ BuildMI(MF, DL, get(Opc)).addReg(SrcReg, false, false, isKill);
for (unsigned i = 0, e = Addr.size(); i != e; ++i)
MIB = ARMInstrAddOperand(MIB, Addr[i]);
AddDefaultPred(MIB);
loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
unsigned DestReg, int FI,
const TargetRegisterClass *RC) const {
+ DebugLoc DL = DebugLoc::getUnknownLoc();
+ if (I != MBB.end()) DL = I->getDebugLoc();
+
if (RC == ARM::GPRRegisterClass) {
MachineFunction &MF = *MBB.getParent();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
if (AFI->isThumbFunction())
- BuildMI(MBB, I, get(ARM::tRestore), DestReg)
+ BuildMI(MBB, I, DL, get(ARM::tRestore), DestReg)
.addFrameIndex(FI).addImm(0);
else
- AddDefaultPred(BuildMI(MBB, I, get(ARM::LDR), DestReg)
+ AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::LDR), DestReg)
.addFrameIndex(FI).addReg(0).addImm(0));
} else if (RC == ARM::DPRRegisterClass) {
- AddDefaultPred(BuildMI(MBB, I, get(ARM::FLDD), DestReg)
+ AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::FLDD), DestReg)
.addFrameIndex(FI).addImm(0));
} else {
assert(RC == ARM::SPRRegisterClass && "Unknown regclass!");
- AddDefaultPred(BuildMI(MBB, I, get(ARM::FLDS), DestReg)
+ AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::FLDS), DestReg)
.addFrameIndex(FI).addImm(0));
}
}
void ARMInstrInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
- SmallVectorImpl<MachineOperand> &Addr,
- const TargetRegisterClass *RC,
+ SmallVectorImpl<MachineOperand> &Addr,
+ const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const {
+ DebugLoc DL = DebugLoc::getUnknownLoc();
unsigned Opc = 0;
if (RC == ARM::GPRRegisterClass) {
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
if (AFI->isThumbFunction()) {
Opc = Addr[0].isFI() ? ARM::tRestore : ARM::tLDR;
- MachineInstrBuilder MIB = BuildMI(MF, get(Opc), DestReg);
+ MachineInstrBuilder MIB = BuildMI(MF, DL, get(Opc), DestReg);
for (unsigned i = 0, e = Addr.size(); i != e; ++i)
MIB = ARMInstrAddOperand(MIB, Addr[i]);
NewMIs.push_back(MIB);
Opc = ARM::FLDS;
}
- MachineInstrBuilder MIB = BuildMI(MF, get(Opc), DestReg);
+ MachineInstrBuilder MIB = BuildMI(MF, DL, get(Opc), DestReg);
for (unsigned i = 0, e = Addr.size(); i != e; ++i)
MIB = ARMInstrAddOperand(MIB, Addr[i]);
AddDefaultPred(MIB);
if (!AFI->isThumbFunction() || CSI.empty())
return false;
- MachineInstrBuilder MIB = BuildMI(MBB, MI, get(ARM::tPUSH));
+ DebugLoc DL = DebugLoc::getUnknownLoc();
+ if (MI != MBB.end()) DL = MI->getDebugLoc();
+
+ MachineInstrBuilder MIB = BuildMI(MBB, MI, DL, get(ARM::tPUSH));
for (unsigned i = CSI.size(); i != 0; --i) {
unsigned Reg = CSI[i-1].getReg();
// Add the callee-saved register as live-in. It's killed at the spill.
return false;
bool isVarArg = AFI->getVarArgsRegSaveSize() > 0;
- MachineInstr *PopMI = MF.CreateMachineInstr(get(ARM::tPOP));
+ MachineInstr *PopMI = MF.CreateMachineInstr(get(ARM::tPOP),MI->getDebugLoc());
MBB.insert(MI, PopMI);
for (unsigned i = CSI.size(); i != 0; --i) {
unsigned Reg = CSI[i-1].getReg();
return true;
}
-MachineInstr *ARMInstrInfo::foldMemoryOperand(MachineFunction &MF,
- MachineInstr *MI,
+MachineInstr *ARMInstrInfo::foldMemoryOperandImpl(MachineFunction &MF,
+ MachineInstr *MI,
const SmallVectorImpl<unsigned> &Ops,
- int FI) const {
+ int FI) const {
if (Ops.size() != 1) return NULL;
unsigned OpNum = Ops[0];
if (OpNum == 0) { // move -> store
unsigned SrcReg = MI->getOperand(1).getReg();
bool isKill = MI->getOperand(1).isKill();
- NewMI = BuildMI(MF, get(ARM::STR)).addReg(SrcReg, false, false, isKill)
+ NewMI = BuildMI(MF, MI->getDebugLoc(), get(ARM::STR))
+ .addReg(SrcReg, false, false, isKill)
.addFrameIndex(FI).addReg(0).addImm(0).addImm(Pred).addReg(PredReg);
} else { // move -> load
unsigned DstReg = MI->getOperand(0).getReg();
bool isDead = MI->getOperand(0).isDead();
- NewMI = BuildMI(MF, get(ARM::LDR)).addReg(DstReg, true, false, false, isDead)
+ NewMI = BuildMI(MF, MI->getDebugLoc(), get(ARM::LDR))
+ .addReg(DstReg, true, false, false, isDead)
.addFrameIndex(FI).addReg(0).addImm(0).addImm(Pred).addReg(PredReg);
}
break;
if (RI.isPhysicalRegister(SrcReg) && !RI.isLowRegister(SrcReg))
// tSpill cannot take a high register operand.
break;
- NewMI = BuildMI(MF, get(ARM::tSpill)).addReg(SrcReg, false, false, isKill)
+ NewMI = BuildMI(MF, MI->getDebugLoc(), get(ARM::tSpill))
+ .addReg(SrcReg, false, false, isKill)
.addFrameIndex(FI).addImm(0);
} else { // move -> load
unsigned DstReg = MI->getOperand(0).getReg();
// tRestore cannot target a high register operand.
break;
bool isDead = MI->getOperand(0).isDead();
- NewMI = BuildMI(MF, get(ARM::tRestore))
+ NewMI = BuildMI(MF, MI->getDebugLoc(), get(ARM::tRestore))
.addReg(DstReg, true, false, false, isDead)
.addFrameIndex(FI).addImm(0);
}
unsigned PredReg = MI->getOperand(3).getReg();
if (OpNum == 0) { // move -> store
unsigned SrcReg = MI->getOperand(1).getReg();
- NewMI = BuildMI(MF, get(ARM::FSTS)).addReg(SrcReg).addFrameIndex(FI)
+ NewMI = BuildMI(MF, MI->getDebugLoc(), get(ARM::FSTS))
+ .addReg(SrcReg).addFrameIndex(FI)
.addImm(0).addImm(Pred).addReg(PredReg);
} else { // move -> load
unsigned DstReg = MI->getOperand(0).getReg();
- NewMI = BuildMI(MF, get(ARM::FLDS), DstReg).addFrameIndex(FI)
+ NewMI = BuildMI(MF, MI->getDebugLoc(), get(ARM::FLDS), DstReg)
+ .addFrameIndex(FI)
.addImm(0).addImm(Pred).addReg(PredReg);
}
break;
if (OpNum == 0) { // move -> store
unsigned SrcReg = MI->getOperand(1).getReg();
bool isKill = MI->getOperand(1).isKill();
- NewMI = BuildMI(MF, get(ARM::FSTD)).addReg(SrcReg, false, false, isKill)
+ NewMI = BuildMI(MF, MI->getDebugLoc(), get(ARM::FSTD))
+ .addReg(SrcReg, false, false, isKill)
.addFrameIndex(FI).addImm(0).addImm(Pred).addReg(PredReg);
} else { // move -> load
unsigned DstReg = MI->getOperand(0).getReg();
bool isDead = MI->getOperand(0).isDead();
- NewMI = BuildMI(MF, get(ARM::FLDD)).addReg(DstReg, true, false, false, isDead)
+ NewMI = BuildMI(MF, MI->getDebugLoc(), get(ARM::FLDD))
+ .addReg(DstReg, true, false, false, isDead)
.addFrameIndex(FI).addImm(0).addImm(Pred).addReg(PredReg);
}
break;
unsigned TSFlags = TID.TSFlags;
switch ((TSFlags & ARMII::SizeMask) >> ARMII::SizeShift) {
- default:
+ default: {
// If this machine instr is an inline asm, measure it.
if (MI->getOpcode() == ARM::INLINEASM)
return TAI->getInlineAsmLength(MI->getOperand(0).getSymbolName());
if (MI->isLabel())
return 0;
- if (MI->getOpcode() == TargetInstrInfo::IMPLICIT_DEF)
+ switch (MI->getOpcode()) {
+ default:
+ assert(0 && "Unknown or unset size field for instr!");
+ break;
+ case TargetInstrInfo::IMPLICIT_DEF:
+ case TargetInstrInfo::DECLARE:
+ case TargetInstrInfo::DBG_LABEL:
+ case TargetInstrInfo::EH_LABEL:
return 0;
- assert(0 && "Unknown or unset size field for instr!");
+ }
break;
+ }
case ARMII::Size8Bytes: return 8; // Arm instruction x 2.
case ARMII::Size4Bytes: return 4; // Arm instruction.
case ARMII::Size2Bytes: return 2; // Thumb instruction.
projects / oota-llvm.git / blobdiff