From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 15 Nov 2011 06:26:51 +0000 (+0000)
Subject: Set SeenStore to true to prevent loads from being moved; also eliminates a non-determ... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=f178418729d91e2f15a8eb27c0e4787b8ec7a3ce;p=oota-llvm.git

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144628 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index 67963126491..e2fd0076cd3 100644
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/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;