[llvm] r267781 - [ARM] Set AddPristinesAndCSRs to expandCMP_SWAP LivePhysRegs.

[Ahmed Bougacha via llvm-commits]

Author: ab
Date: Wed Apr 27 15:33:07 2016
New Revision: 267781

URL: http://llvm.org/viewvc/llvm-project?rev=267781&view=rev
Log:
[ARM] Set AddPristinesAndCSRs to expandCMP_SWAP LivePhysRegs.

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

Follow-up to r266679.

Modified:
    llvm/trunk/lib/Target/ARM/ARMExpandPseudoInsts.cpp

Modified: llvm/trunk/lib/Target/ARM/ARMExpandPseudoInsts.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMExpandPseudoInsts.cpp?rev=267781&r1=267780&r2=267781&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMExpandPseudoInsts.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMExpandPseudoInsts.cpp Wed Apr 27 15:33:07 2016
@@ -775,7 +775,7 @@ bool ARMExpandPseudo::ExpandCMP_SWAP(Mac
   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);
 
@@ -897,7 +897,7 @@ bool ARMExpandPseudo::ExpandCMP_SWAP_64(
   unsigned DesiredHi = TRI->getSubReg(Desired.getReg(), ARM::gsub_1);
 
   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);