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Remove non-DebugLoc versions of BuildMI from IA64, Mips.

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llvm-svn: 64438
This commit is contained in:
Dale Johannesen 2009-02-13 02:34:39 +00:00
parent 560b03bbcd
commit 329e01b91b
8 changed files with 59 additions and 47 deletions
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2
lib/Target/IA64/IA64Bundling.cpp
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@ -104,7 +104,7 @@ bool IA64BundlingPass::runOnMachineBasicBlock(MachineBasicBlock &MBB) {
if(! (CurrentReads.empty() && CurrentWrites.empty()) ) { if(! (CurrentReads.empty() && CurrentWrites.empty()) ) {
// there is a conflict, insert a stop and reset PendingRegWrites // there is a conflict, insert a stop and reset PendingRegWrites
CurrentInsn = BuildMI(MBB, CurrentInsn, CurrentInsn = BuildMI(MBB, CurrentInsn, CurrentInsn->getDebugLoc(),
TM.getInstrInfo()->get(IA64::STOP), 0); TM.getInstrInfo()->get(IA64::STOP), 0);
PendingRegWrites=OrigWrites; // carry over current writes to next insn PendingRegWrites=OrigWrites; // carry over current writes to next insn
Changed=true; StopBitsAdded++; // update stats Changed=true; StopBitsAdded++; // update stats

8
lib/Target/IA64/IA64ISelLowering.cpp
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@ -243,7 +243,7 @@ void IA64TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG,
// Create a vreg to hold the output of (what will become) // Create a vreg to hold the output of (what will become)
// the "alloc" instruction // the "alloc" instruction
VirtGPR = MF.getRegInfo().createVirtualRegister(getRegClassFor(MVT::i64)); VirtGPR = MF.getRegInfo().createVirtualRegister(getRegClassFor(MVT::i64));
BuildMI(&BB, TII->get(IA64::PSEUDO_ALLOC), VirtGPR); BuildMI(&BB, dl, TII->get(IA64::PSEUDO_ALLOC), VirtGPR);
// we create a PSEUDO_ALLOC (pseudo)instruction for now // we create a PSEUDO_ALLOC (pseudo)instruction for now
/* /*
BuildMI(&BB, IA64::IDEF, 0, IA64::r1); BuildMI(&BB, IA64::IDEF, 0, IA64::r1);
@ -273,14 +273,14 @@ void IA64TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG,
// here we actually do the moving of args, and store them to the stack // here we actually do the moving of args, and store them to the stack
// too if this is a varargs function: // too if this is a varargs function:
for (int i = 0; i < count && i < 8; ++i) { for (int i = 0; i < count && i < 8; ++i) {
BuildMI(&BB, TII->get(argOpc[i]), argVreg[i]).addReg(argPreg[i]); BuildMI(&BB, dl, TII->get(argOpc[i]), argVreg[i]).addReg(argPreg[i]);
if(F.isVarArg()) { if(F.isVarArg()) {
// if this is a varargs function, we copy the input registers to the stack // if this is a varargs function, we copy the input registers to the stack
int FI = MFI->CreateFixedObject(8, tempOffset); int FI = MFI->CreateFixedObject(8, tempOffset);
tempOffset+=8; //XXX: is it safe to use r22 like this? tempOffset+=8; //XXX: is it safe to use r22 like this?
BuildMI(&BB, TII->get(IA64::MOV), IA64::r22).addFrameIndex(FI); BuildMI(&BB, dl, TII->get(IA64::MOV), IA64::r22).addFrameIndex(FI);
// FIXME: we should use st8.spill here, one day // FIXME: we should use st8.spill here, one day
BuildMI(&BB, TII->get(IA64::ST8), IA64::r22).addReg(argPreg[i]); BuildMI(&BB, dl, TII->get(IA64::ST8), IA64::r22).addReg(argPreg[i]);
} }
} }

4
lib/Target/IA64/IA64InstrInfo.cpp
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@ -55,9 +55,11 @@ unsigned
IA64InstrInfo::InsertBranch(MachineBasicBlock &MBB,MachineBasicBlock *TBB, IA64InstrInfo::InsertBranch(MachineBasicBlock &MBB,MachineBasicBlock *TBB,
MachineBasicBlock *FBB, MachineBasicBlock *FBB,
const SmallVectorImpl<MachineOperand> &Cond)const { const SmallVectorImpl<MachineOperand> &Cond)const {
// FIXME this should probably have a DebugLoc argument
DebugLoc dl = DebugLoc::getUnknownLoc();
// Can only insert uncond branches so far. // Can only insert uncond branches so far.
assert(Cond.empty() && !FBB && TBB && "Can only handle uncond branches!"); assert(Cond.empty() && !FBB && TBB && "Can only handle uncond branches!");
BuildMI(&MBB, get(IA64::BRL_NOTCALL)).addMBB(TBB); BuildMI(&MBB, dl, get(IA64::BRL_NOTCALL)).addMBB(TBB);
return 1; return 1;
} }

43
lib/Target/IA64/IA64RegisterInfo.cpp
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@ -88,6 +88,7 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
// <amt>' // <amt>'
MachineInstr *Old = I; MachineInstr *Old = I;
unsigned Amount = Old->getOperand(0).getImm(); unsigned Amount = Old->getOperand(0).getImm();
DebugLoc dl = Old->getDebugLoc();
if (Amount != 0) { if (Amount != 0) {
// We need to keep the stack aligned properly. To do this, we round the // We need to keep the stack aligned properly. To do this, we round the
// amount of space needed for the outgoing arguments up to the next // amount of space needed for the outgoing arguments up to the next
@ -97,12 +98,12 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
// Replace the pseudo instruction with a new instruction... // Replace the pseudo instruction with a new instruction...
if (Old->getOpcode() == IA64::ADJUSTCALLSTACKDOWN) { if (Old->getOpcode() == IA64::ADJUSTCALLSTACKDOWN) {
BuildMI(MBB, I, TII.get(IA64::ADDIMM22), IA64::r12).addReg(IA64::r12) BuildMI(MBB, I, dl, TII.get(IA64::ADDIMM22), IA64::r12)
.addImm(-Amount); .addReg(IA64::r12).addImm(-Amount);
} else { } else {
assert(Old->getOpcode() == IA64::ADJUSTCALLSTACKUP); assert(Old->getOpcode() == IA64::ADJUSTCALLSTACKUP);
BuildMI(MBB, I, TII.get(IA64::ADDIMM22), IA64::r12).addReg(IA64::r12) BuildMI(MBB, I, dl, TII.get(IA64::ADDIMM22), IA64::r12)
.addImm(Amount); .addReg(IA64::r12).addImm(Amount);
} }
} }
} }
@ -118,6 +119,7 @@ void IA64RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
MachineInstr &MI = *II; MachineInstr &MI = *II;
MachineBasicBlock &MBB = *MI.getParent(); MachineBasicBlock &MBB = *MI.getParent();
MachineFunction &MF = *MBB.getParent(); MachineFunction &MF = *MBB.getParent();
DebugLoc dl = MI.getDebugLoc();
bool FP = hasFP(MF); bool FP = hasFP(MF);
@ -146,13 +148,13 @@ void IA64RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
// Fix up the old: // Fix up the old:
MI.getOperand(i).ChangeToRegister(IA64::r22, false); MI.getOperand(i).ChangeToRegister(IA64::r22, false);
//insert the new //insert the new
BuildMI(MBB, II, TII.get(IA64::ADDIMM22), IA64::r22) BuildMI(MBB, II, dl, TII.get(IA64::ADDIMM22), IA64::r22)
.addReg(BaseRegister).addImm(Offset); .addReg(BaseRegister).addImm(Offset);
} else { // it's big } else { // it's big
//fix up the old: //fix up the old:
MI.getOperand(i).ChangeToRegister(IA64::r22, false); MI.getOperand(i).ChangeToRegister(IA64::r22, false);
BuildMI(MBB, II, TII.get(IA64::MOVLIMM64), IA64::r22).addImm(Offset); BuildMI(MBB, II, dl, TII.get(IA64::MOVLIMM64), IA64::r22).addImm(Offset);
BuildMI(MBB, II, TII.get(IA64::ADD), IA64::r22).addReg(BaseRegister) BuildMI(MBB, II, dl, TII.get(IA64::ADD), IA64::r22).addReg(BaseRegister)
.addReg(IA64::r22); .addReg(IA64::r22);
} }
@ -163,6 +165,7 @@ void IA64RegisterInfo::emitPrologue(MachineFunction &MF) const {
MachineBasicBlock::iterator MBBI = MBB.begin(); MachineBasicBlock::iterator MBBI = MBB.begin();
MachineFrameInfo *MFI = MF.getFrameInfo(); MachineFrameInfo *MFI = MF.getFrameInfo();
bool FP = hasFP(MF); bool FP = hasFP(MF);
DebugLoc dl = DebugLoc::getUnknownLoc();
// first, we handle the 'alloc' instruction, that should be right up the // first, we handle the 'alloc' instruction, that should be right up the
// top of any function // top of any function
@ -205,7 +208,7 @@ void IA64RegisterInfo::emitPrologue(MachineFunction &MF) const {
} }
} }
BuildMI(MBB, MBBI, TII.get(IA64::ALLOC)). BuildMI(MBB, MBBI, dl, TII.get(IA64::ALLOC)).
addReg(dstRegOfPseudoAlloc).addImm(0). addReg(dstRegOfPseudoAlloc).addImm(0).
addImm(numStackedGPRsUsed).addImm(numOutRegsUsed).addImm(0); addImm(numStackedGPRsUsed).addImm(numOutRegsUsed).addImm(0);
@ -230,23 +233,24 @@ void IA64RegisterInfo::emitPrologue(MachineFunction &MF) const {
// adjust stack pointer: r12 -= numbytes // adjust stack pointer: r12 -= numbytes
if (NumBytes <= 8191) { if (NumBytes <= 8191) {
BuildMI(MBB, MBBI, TII.get(IA64::ADDIMM22),IA64::r12).addReg(IA64::r12). BuildMI(MBB, MBBI, dl, TII.get(IA64::ADDIMM22),IA64::r12).addReg(IA64::r12).
addImm(-NumBytes); addImm(-NumBytes);
} else { // we use r22 as a scratch register here } else { // we use r22 as a scratch register here
// first load the decrement into r22 // first load the decrement into r22
BuildMI(MBB, MBBI, TII.get(IA64::MOVLIMM64), IA64::r22).addImm(-NumBytes); BuildMI(MBB, MBBI, dl, TII.get(IA64::MOVLIMM64), IA64::r22).
addImm(-NumBytes);
// FIXME: MOVLSI32 expects a _u_32imm // FIXME: MOVLSI32 expects a _u_32imm
// then add (subtract) it to r12 (stack ptr) // then add (subtract) it to r12 (stack ptr)
BuildMI(MBB, MBBI, TII.get(IA64::ADD), IA64::r12) BuildMI(MBB, MBBI, dl, TII.get(IA64::ADD), IA64::r12)
.addReg(IA64::r12).addReg(IA64::r22); .addReg(IA64::r12).addReg(IA64::r22);
} }
// now if we need to, save the old FP and set the new // now if we need to, save the old FP and set the new
if (FP) { if (FP) {
BuildMI(MBB, MBBI, TII.get(IA64::ST8)).addReg(IA64::r12).addReg(IA64::r5); BuildMI(MBB, MBBI,dl,TII.get(IA64::ST8)).addReg(IA64::r12).addReg(IA64::r5);
// this must be the last instr in the prolog ? (XXX: why??) // this must be the last instr in the prolog ? (XXX: why??)
BuildMI(MBB, MBBI, TII.get(IA64::MOV), IA64::r5).addReg(IA64::r12); BuildMI(MBB, MBBI, dl, TII.get(IA64::MOV), IA64::r5).addReg(IA64::r12);
} }
} }
@ -257,6 +261,7 @@ void IA64RegisterInfo::emitEpilogue(MachineFunction &MF,
MachineBasicBlock::iterator MBBI = prior(MBB.end()); MachineBasicBlock::iterator MBBI = prior(MBB.end());
assert(MBBI->getOpcode() == IA64::RET && assert(MBBI->getOpcode() == IA64::RET &&
"Can only insert epilog into returning blocks"); "Can only insert epilog into returning blocks");
DebugLoc dl = DebugLoc::getUnknownLoc();
bool FP = hasFP(MF); bool FP = hasFP(MF);
@ -267,20 +272,20 @@ void IA64RegisterInfo::emitEpilogue(MachineFunction &MF,
if (FP) if (FP)
{ {
//copy the FP into the SP (discards allocas) //copy the FP into the SP (discards allocas)
BuildMI(MBB, MBBI, TII.get(IA64::MOV), IA64::r12).addReg(IA64::r5); BuildMI(MBB, MBBI, dl, TII.get(IA64::MOV), IA64::r12).addReg(IA64::r5);
//restore the FP //restore the FP
BuildMI(MBB, MBBI, TII.get(IA64::LD8), IA64::r5).addReg(IA64::r5); BuildMI(MBB, MBBI, dl, TII.get(IA64::LD8), IA64::r5).addReg(IA64::r5);
} }
if (NumBytes != 0) if (NumBytes != 0)
{ {
if (NumBytes <= 8191) { if (NumBytes <= 8191) {
BuildMI(MBB, MBBI, TII.get(IA64::ADDIMM22),IA64::r12).addReg(IA64::r12). BuildMI(MBB, MBBI, dl, TII.get(IA64::ADDIMM22),IA64::r12).
addImm(NumBytes); addReg(IA64::r12).addImm(NumBytes);
} else { } else {
BuildMI(MBB, MBBI, TII.get(IA64::MOVLIMM64), IA64::r22). BuildMI(MBB, MBBI, dl, TII.get(IA64::MOVLIMM64), IA64::r22).
addImm(NumBytes); addImm(NumBytes);
BuildMI(MBB, MBBI, TII.get(IA64::ADD), IA64::r12).addReg(IA64::r12). BuildMI(MBB, MBBI, dl, TII.get(IA64::ADD), IA64::r12).addReg(IA64::r12).
addReg(IA64::r22); addReg(IA64::r22);
} }
} }

2
lib/Target/Mips/MipsDelaySlotFiller.cpp
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@ -62,7 +62,7 @@ runOnMachineBasicBlock(MachineBasicBlock &MBB)
if (I->getDesc().hasDelaySlot()) { if (I->getDesc().hasDelaySlot()) {
MachineBasicBlock::iterator J = I; MachineBasicBlock::iterator J = I;
++J; ++J;
BuildMI(MBB, J, TII->get(Mips::NOP)); BuildMI(MBB, J, I->getDebugLoc(), TII->get(Mips::NOP));
++FilledSlots; ++FilledSlots;
Changed = true; Changed = true;
} }

7
lib/Target/Mips/MipsISelLowering.cpp
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@ -279,6 +279,7 @@ MipsTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
MachineBasicBlock *BB) const { MachineBasicBlock *BB) const {
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo(); const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
bool isFPCmp = false; bool isFPCmp = false;
DebugLoc dl = MI->getDebugLoc();
switch (MI->getOpcode()) { switch (MI->getOpcode()) {
default: assert(false && "Unexpected instr type to insert"); default: assert(false && "Unexpected instr type to insert");
@ -316,9 +317,9 @@ MipsTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
Mips::CondCode CC = (Mips::CondCode)MI->getOperand(4).getImm(); Mips::CondCode CC = (Mips::CondCode)MI->getOperand(4).getImm();
// Get the branch opcode from the branch code. // Get the branch opcode from the branch code.
unsigned Opc = FPBranchCodeToOpc(GetFPBranchCodeFromCond(CC)); unsigned Opc = FPBranchCodeToOpc(GetFPBranchCodeFromCond(CC));
BuildMI(BB, TII->get(Opc)).addMBB(sinkMBB); BuildMI(BB, dl, TII->get(Opc)).addMBB(sinkMBB);
} else } else
BuildMI(BB, TII->get(Mips::BNE)).addReg(MI->getOperand(1).getReg()) BuildMI(BB, dl, TII->get(Mips::BNE)).addReg(MI->getOperand(1).getReg())
.addReg(Mips::ZERO).addMBB(sinkMBB); .addReg(Mips::ZERO).addMBB(sinkMBB);
F->insert(It, copy0MBB); F->insert(It, copy0MBB);
@ -347,7 +348,7 @@ MipsTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
// %Result = phi [ %FalseValue, copy0MBB ], [ %TrueValue, thisMBB ] // %Result = phi [ %FalseValue, copy0MBB ], [ %TrueValue, thisMBB ]
// ... // ...
BB = sinkMBB; BB = sinkMBB;
BuildMI(BB, TII->get(Mips::PHI), MI->getOperand(0).getReg()) BuildMI(BB, dl, TII->get(Mips::PHI), MI->getOperand(0).getReg())
.addReg(MI->getOperand(2).getReg()).addMBB(copy0MBB) .addReg(MI->getOperand(2).getReg()).addMBB(copy0MBB)
.addReg(MI->getOperand(3).getReg()).addMBB(thisMBB); .addReg(MI->getOperand(3).getReg()).addMBB(thisMBB);

14
lib/Target/Mips/MipsInstrInfo.cpp
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@ -554,6 +554,8 @@ unsigned MipsInstrInfo::
InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB, MachineBasicBlock *FBB,
const SmallVectorImpl<MachineOperand> &Cond) const { const SmallVectorImpl<MachineOperand> &Cond) const {
// FIXME this should probably have a DebugLoc argument
DebugLoc dl = DebugLoc::getUnknownLoc();
// Shouldn't be a fall through. // Shouldn't be a fall through.
assert(TBB && "InsertBranch must not be told to insert a fallthrough"); assert(TBB && "InsertBranch must not be told to insert a fallthrough");
assert((Cond.size() == 3 || Cond.size() == 2 || Cond.size() == 0) && assert((Cond.size() == 3 || Cond.size() == 2 || Cond.size() == 0) &&
@ -562,18 +564,18 @@ InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
if (FBB == 0) { // One way branch. if (FBB == 0) { // One way branch.
if (Cond.empty()) { if (Cond.empty()) {
// Unconditional branch? // Unconditional branch?
BuildMI(&MBB, get(Mips::J)).addMBB(TBB); BuildMI(&MBB, dl, get(Mips::J)).addMBB(TBB);
} else { } else {
// Conditional branch. // Conditional branch.
unsigned Opc = GetCondBranchFromCond((Mips::CondCode)Cond[0].getImm()); unsigned Opc = GetCondBranchFromCond((Mips::CondCode)Cond[0].getImm());
const TargetInstrDesc &TID = get(Opc); const TargetInstrDesc &TID = get(Opc);
if (TID.getNumOperands() == 3) if (TID.getNumOperands() == 3)
BuildMI(&MBB, TID).addReg(Cond[1].getReg()) BuildMI(&MBB, dl, TID).addReg(Cond[1].getReg())
.addReg(Cond[2].getReg()) .addReg(Cond[2].getReg())
.addMBB(TBB); .addMBB(TBB);
else else
BuildMI(&MBB, TID).addReg(Cond[1].getReg()) BuildMI(&MBB, dl, TID).addReg(Cond[1].getReg())
.addMBB(TBB); .addMBB(TBB);
} }
@ -585,12 +587,12 @@ InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
const TargetInstrDesc &TID = get(Opc); const TargetInstrDesc &TID = get(Opc);
if (TID.getNumOperands() == 3) if (TID.getNumOperands() == 3)
BuildMI(&MBB, TID).addReg(Cond[1].getReg()).addReg(Cond[2].getReg()) BuildMI(&MBB, dl, TID).addReg(Cond[1].getReg()).addReg(Cond[2].getReg())
.addMBB(TBB); .addMBB(TBB);
else else
BuildMI(&MBB, TID).addReg(Cond[1].getReg()).addMBB(TBB); BuildMI(&MBB, dl, TID).addReg(Cond[1].getReg()).addMBB(TBB);
BuildMI(&MBB, get(Mips::J)).addMBB(FBB); BuildMI(&MBB, dl, get(Mips::J)).addMBB(FBB);
return 2; return 2;
} }

26
lib/Target/Mips/MipsRegisterInfo.cpp
View File

@ -391,6 +391,7 @@ emitPrologue(MachineFunction &MF) const
MachineFrameInfo *MFI = MF.getFrameInfo(); MachineFrameInfo *MFI = MF.getFrameInfo();
MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>(); MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
MachineBasicBlock::iterator MBBI = MBB.begin(); MachineBasicBlock::iterator MBBI = MBB.begin();
DebugLoc dl = DebugLoc::getUnknownLoc();
bool isPIC = (MF.getTarget().getRelocationModel() == Reloc::PIC_); bool isPIC = (MF.getTarget().getRelocationModel() == Reloc::PIC_);
// Get the right frame order for Mips. // Get the right frame order for Mips.
@ -405,21 +406,21 @@ emitPrologue(MachineFunction &MF) const
int FPOffset = MipsFI->getFPStackOffset(); int FPOffset = MipsFI->getFPStackOffset();
int RAOffset = MipsFI->getRAStackOffset(); int RAOffset = MipsFI->getRAStackOffset();
BuildMI(MBB, MBBI, TII.get(Mips::NOREORDER)); BuildMI(MBB, MBBI, dl, TII.get(Mips::NOREORDER));
// TODO: check need from GP here. // TODO: check need from GP here.
if (isPIC && Subtarget.isABI_O32()) if (isPIC && Subtarget.isABI_O32())
BuildMI(MBB, MBBI, TII.get(Mips::CPLOAD)).addReg(getPICCallReg()); BuildMI(MBB, MBBI, dl, TII.get(Mips::CPLOAD)).addReg(getPICCallReg());
BuildMI(MBB, MBBI, TII.get(Mips::NOMACRO)); BuildMI(MBB, MBBI, dl, TII.get(Mips::NOMACRO));
// Adjust stack : addi sp, sp, (-imm) // Adjust stack : addi sp, sp, (-imm)
BuildMI(MBB, MBBI, TII.get(Mips::ADDiu), Mips::SP) BuildMI(MBB, MBBI, dl, TII.get(Mips::ADDiu), Mips::SP)
.addReg(Mips::SP).addImm(-StackSize); .addReg(Mips::SP).addImm(-StackSize);
// Save the return address only if the function isnt a leaf one. // Save the return address only if the function isnt a leaf one.
// sw $ra, stack_loc($sp) // sw $ra, stack_loc($sp)
if (MFI->hasCalls()) { if (MFI->hasCalls()) {
BuildMI(MBB, MBBI, TII.get(Mips::SW)) BuildMI(MBB, MBBI, dl, TII.get(Mips::SW))
.addReg(Mips::RA).addImm(RAOffset).addReg(Mips::SP); .addReg(Mips::RA).addImm(RAOffset).addReg(Mips::SP);
} }
@ -427,17 +428,17 @@ emitPrologue(MachineFunction &MF) const
// to point to the stack pointer // to point to the stack pointer
if (hasFP(MF)) { if (hasFP(MF)) {
// sw $fp,stack_loc($sp) // sw $fp,stack_loc($sp)
BuildMI(MBB, MBBI, TII.get(Mips::SW)) BuildMI(MBB, MBBI, dl, TII.get(Mips::SW))
.addReg(Mips::FP).addImm(FPOffset).addReg(Mips::SP); .addReg(Mips::FP).addImm(FPOffset).addReg(Mips::SP);
// move $fp, $sp // move $fp, $sp
BuildMI(MBB, MBBI, TII.get(Mips::ADDu), Mips::FP) BuildMI(MBB, MBBI, dl, TII.get(Mips::ADDu), Mips::FP)
.addReg(Mips::SP).addReg(Mips::ZERO); .addReg(Mips::SP).addReg(Mips::ZERO);
} }
// PIC speficic function prologue // PIC speficic function prologue
if ((isPIC) && (MFI->hasCalls())) { if ((isPIC) && (MFI->hasCalls())) {
BuildMI(MBB, MBBI, TII.get(Mips::CPRESTORE)) BuildMI(MBB, MBBI, dl, TII.get(Mips::CPRESTORE))
.addImm(MipsFI->getGPStackOffset()); .addImm(MipsFI->getGPStackOffset());
} }
} }
@ -448,6 +449,7 @@ emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const
MachineBasicBlock::iterator MBBI = prior(MBB.end()); MachineBasicBlock::iterator MBBI = prior(MBB.end());
MachineFrameInfo *MFI = MF.getFrameInfo(); MachineFrameInfo *MFI = MF.getFrameInfo();
MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>(); MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
DebugLoc dl = DebugLoc::getUnknownLoc();
// Get the number of bytes from FrameInfo // Get the number of bytes from FrameInfo
int NumBytes = (int) MFI->getStackSize(); int NumBytes = (int) MFI->getStackSize();
@ -460,24 +462,24 @@ emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const
// stack pointer // stack pointer
if (hasFP(MF)) { if (hasFP(MF)) {
// move $sp, $fp // move $sp, $fp
BuildMI(MBB, MBBI, TII.get(Mips::ADDu), Mips::SP) BuildMI(MBB, MBBI, dl, TII.get(Mips::ADDu), Mips::SP)
.addReg(Mips::FP).addReg(Mips::ZERO); .addReg(Mips::FP).addReg(Mips::ZERO);
// lw $fp,stack_loc($sp) // lw $fp,stack_loc($sp)
BuildMI(MBB, MBBI, TII.get(Mips::LW)) BuildMI(MBB, MBBI, dl, TII.get(Mips::LW))
.addReg(Mips::FP).addImm(FPOffset).addReg(Mips::SP); .addReg(Mips::FP).addImm(FPOffset).addReg(Mips::SP);
} }
// Restore the return address only if the function isnt a leaf one. // Restore the return address only if the function isnt a leaf one.
// lw $ra, stack_loc($sp) // lw $ra, stack_loc($sp)
if (MFI->hasCalls()) { if (MFI->hasCalls()) {
BuildMI(MBB, MBBI, TII.get(Mips::LW)) BuildMI(MBB, MBBI, dl, TII.get(Mips::LW))
.addReg(Mips::RA).addImm(RAOffset).addReg(Mips::SP); .addReg(Mips::RA).addImm(RAOffset).addReg(Mips::SP);
} }
// adjust stack : insert addi sp, sp, (imm) // adjust stack : insert addi sp, sp, (imm)
if (NumBytes) { if (NumBytes) {
BuildMI(MBB, MBBI, TII.get(Mips::ADDiu), Mips::SP) BuildMI(MBB, MBBI, dl, TII.get(Mips::ADDiu), Mips::SP)
.addReg(Mips::SP).addImm(NumBytes); .addReg(Mips::SP).addImm(NumBytes);
} }
} }