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authorRoman Divacky <rdivacky@FreeBSD.org>2010-01-23 11:09:33 +0000
committerRoman Divacky <rdivacky@FreeBSD.org>2010-01-23 11:09:33 +0000
commit989df958a10f0beb90b89ccadd8351cbe51d90b1 (patch)
tree74eecbae571601ec6a626a53374b1eddc7b164a5 /lib/Target/ARM/Thumb2InstrInfo.cpp
parent829000e035f46f2a227a5466e4e427a2f3cc00a9 (diff)
Notes
Diffstat (limited to 'lib/Target/ARM/Thumb2InstrInfo.cpp')
-rw-r--r--lib/Target/ARM/Thumb2InstrInfo.cpp10
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Target/ARM/Thumb2InstrInfo.cpp b/lib/Target/ARM/Thumb2InstrInfo.cpp
index f4a8c275bec0..387edaf05d18 100644
--- a/lib/Target/ARM/Thumb2InstrInfo.cpp
+++ b/lib/Target/ARM/Thumb2InstrInfo.cpp
@@ -329,12 +329,16 @@ bool llvm::rewriteT2FrameIndex(MachineInstr &MI, unsigned FrameRegIdx,
Offset += MI.getOperand(FrameRegIdx+1).getImm();
bool isSP = FrameReg == ARM::SP;
- if (Offset == 0) {
+ unsigned PredReg;
+ if (Offset == 0 && getInstrPredicate(&MI, PredReg) == ARMCC::AL) {
// Turn it into a move.
MI.setDesc(TII.get(ARM::tMOVgpr2gpr));
MI.getOperand(FrameRegIdx).ChangeToRegister(FrameReg, false);
- MI.RemoveOperand(FrameRegIdx+1);
- Offset = 0;
+ // Remove offset and remaining explicit predicate operands.
+ do MI.RemoveOperand(FrameRegIdx+1);
+ while (MI.getNumOperands() > FrameRegIdx+1 &&
+ (!MI.getOperand(FrameRegIdx+1).isReg() ||
+ !MI.getOperand(FrameRegIdx+1).isImm()));
return true;
}