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[AArch64] Set AddPristinesAndCSRs to expandCMP_SWAP LivePhysRegs. 

We run after PEI.
Found via inspection; no obvious testcase.

Follow-up to r266339.

llvm-svn: 267780
This commit is contained in:
Ahmed Bougacha 2016-04-27 20:33:05 +00:00
parent 9e71425f54
commit 5a3bf6a4a9
1 changed files with 2 additions and 2 deletions
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4
llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp
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@ -607,7 +607,7 @@ bool AArch64ExpandPseudo::expandCMP_SWAP(
MachineOperand &New = MI.getOperand(4);
LivePhysRegs LiveRegs(&TII->getRegisterInfo());
LiveRegs.addLiveOuts(&MBB);
LiveRegs.addLiveOuts(&MBB, /*AddPristinesAndCSRs=*/true);
for (auto I = std::prev(MBB.end()); I != MBBI; --I)
LiveRegs.stepBackward(*I);
@ -685,7 +685,7 @@ bool AArch64ExpandPseudo::expandCMP_SWAP_128(
MachineOperand &NewHi = MI.getOperand(7);
LivePhysRegs LiveRegs(&TII->getRegisterInfo());
LiveRegs.addLiveOuts(&MBB);
LiveRegs.addLiveOuts(&MBB, /*AddPristinesAndCSRs=*/true);
for (auto I = std::prev(MBB.end()); I != MBBI; --I)
LiveRegs.stepBackward(*I);