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Move debug loc info along when the spiller creates new instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64342 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2009-02-12 00:02:55 +00:00
parent f412f7c417
commit d1c321a89a
10 changed files with 349 additions and 212 deletions
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101
lib/Target/ARM/ARMInstrInfo.cpp
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@ -243,17 +243,20 @@ ARMInstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI,
// 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;
@ -263,11 +266,13 @@ ARMInstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI,
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;
@ -277,19 +282,23 @@ ARMInstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI,
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();
@ -474,19 +483,22 @@ bool ARMInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
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;
@ -512,33 +524,37 @@ void ARMInstrInfo::
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{
unsigned Opc = 0;
if (RC == ARM::GPRRegisterClass) {
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
@ -572,28 +588,31 @@ void ARMInstrInfo::
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 {
unsigned Opc = 0;
if (RC == ARM::GPRRegisterClass) {
@ -630,7 +649,10 @@ bool ARMInstrInfo::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
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.
@ -686,12 +708,14 @@ MachineInstr *ARMInstrInfo::foldMemoryOperandImpl(MachineFunction &MF,
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;
@ -703,7 +727,8 @@ MachineInstr *ARMInstrInfo::foldMemoryOperandImpl(MachineFunction &MF,
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();
@ -711,7 +736,7 @@ MachineInstr *ARMInstrInfo::foldMemoryOperandImpl(MachineFunction &MF,
// 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);
}
@ -722,11 +747,13 @@ MachineInstr *ARMInstrInfo::foldMemoryOperandImpl(MachineFunction &MF,
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;
@ -737,12 +764,14 @@ MachineInstr *ARMInstrInfo::foldMemoryOperandImpl(MachineFunction &MF,
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;