[llvm] r267780 - [AArch64] Set AddPristinesAndCSRs to expandCMP_SWAP LivePhysRegs.

[Ahmed Bougacha via llvm-commits]

Author: ab
Date: Wed Apr 27 15:33:05 2016
New Revision: 267780

URL: http://llvm.org/viewvc/llvm-project?rev=267780&view=rev
Log:
[AArch64] Set AddPristinesAndCSRs to expandCMP_SWAP LivePhysRegs.

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

Follow-up to r266339.

Modified:
    llvm/trunk/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp

Modified: llvm/trunk/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp?rev=267780&r1=267779&r2=267780&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp Wed Apr 27 15:33:05 2016
@@ -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
   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);