Set SeenStore to true to prevent loads from being moved; also eliminates a non-deterministic behavior.

llvm-svn: 144628

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp b/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
index 67963126491..e2fd0076cd3 100644
--- a/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -924,7 +924,7 @@ TwoAddressInstructionPass::RescheduleMIBelowKill(MachineBasicBlock *MBB,
   if (isTwoAddrUse(*KillMI, Reg, DstReg))
     return false;
 
-  bool SeenStore;
+  bool SeenStore = true;
   if (!MI->isSafeToMove(TII, AA, SeenStore))
     return false;
 
@@ -1071,7 +1071,7 @@ TwoAddressInstructionPass::RescheduleKillAboveMI(MachineBasicBlock *MBB,
   if (isTwoAddrUse(*KillMI, Reg, DstReg))
     return false;
 
-  bool SeenStore;
+  bool SeenStore = true;
   if (!KillMI->isSafeToMove(TII, AA, SeenStore))
     return false;