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Make the location a parameter since we may not want the next one

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in the block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165050 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2012-10-02 21:16:53 +00:00
parent 96bd4418b2
commit 2d4d0f0ee8
1 changed files with 10 additions and 7 deletions
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17
lib/Target/X86/X86FrameLowering.cpp
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@ -146,7 +146,8 @@ static
void emitSPUpdate(MachineBasicBlock &MBB, MachineBasicBlock::iterator &MBBI,
unsigned StackPtr, int64_t NumBytes,
bool Is64Bit, bool UseLEA,
const TargetInstrInfo &TII, const TargetRegisterInfo &TRI) {
const TargetInstrInfo &TII, const TargetRegisterInfo &TRI,
DebugLoc DL) {
bool isSub = NumBytes < 0;
uint64_t Offset = isSub ? -NumBytes : NumBytes;
unsigned Opc;
@ -158,7 +159,6 @@ void emitSPUpdate(MachineBasicBlock &MBB, MachineBasicBlock::iterator &MBBI,
: getADDriOpcode(Is64Bit, Offset);
uint64_t Chunk = (1LL << 31) - 1;
DebugLoc DL = MBB.findDebugLoc(MBBI);
while (Offset) {
uint64_t ThisVal = (Offset > Chunk) ? Chunk : Offset;
@ -912,7 +912,7 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const {
// FIXME: %rax preserves the offset and should be available.
if (isSPUpdateNeeded)
emitSPUpdate(MBB, MBBI, StackPtr, -(int64_t)NumBytes, Is64Bit,
UseLEA, TII, *RegInfo);
UseLEA, TII, *RegInfo, MBB.findDebugLoc(MBBI));
if (isEAXAlive) {
// Restore EAX
@ -924,7 +924,7 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const {
}
} else if (NumBytes)
emitSPUpdate(MBB, MBBI, StackPtr, -(int64_t)NumBytes, Is64Bit,
UseLEA, TII, *RegInfo);
UseLEA, TII, *RegInfo, MBB.findDebugLoc(MBBI));
// If we need a base pointer, set it up here. It's whatever the value
// of the stack pointer is at this point. Any variable size objects
@ -1075,7 +1075,8 @@ void X86FrameLowering::emitEpilogue(MachineFunction &MF,
}
} else if (NumBytes) {
// Adjust stack pointer back: ESP += numbytes.
emitSPUpdate(MBB, MBBI, StackPtr, NumBytes, Is64Bit, UseLEA, TII, *RegInfo);
emitSPUpdate(MBB, MBBI, StackPtr, NumBytes, Is64Bit, UseLEA, TII,
*RegInfo, MBB.findDebugLoc(MBBI));
}
// We're returning from function via eh_return.
@ -1110,7 +1111,8 @@ void X86FrameLowering::emitEpilogue(MachineFunction &MF,
if (Offset) {
// Check for possible merge with preceding ADD instruction.
Offset += mergeSPUpdates(MBB, MBBI, StackPtr, true);
emitSPUpdate(MBB, MBBI, StackPtr, Offset, Is64Bit, UseLEA, TII, *RegInfo);
emitSPUpdate(MBB, MBBI, StackPtr, Offset, Is64Bit, UseLEA, TII,
*RegInfo, MBB.findDebugLoc(MBBI));
}
// Jump to label or value in register.
@ -1153,7 +1155,8 @@ void X86FrameLowering::emitEpilogue(MachineFunction &MF,
// Check for possible merge with preceding ADD instruction.
delta += mergeSPUpdates(MBB, MBBI, StackPtr, true);
emitSPUpdate(MBB, MBBI, StackPtr, delta, Is64Bit, UseLEA, TII, *RegInfo);
emitSPUpdate(MBB, MBBI, StackPtr, delta, Is64Bit, UseLEA, TII,
*RegInfo, MBB.findDebugLoc(MBBI));
}
}