From 40f68c968ef84b08cbfa1c99c204c61d6861d572 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 15 Nov 2011 06:26:51 +0000
Subject: [PATCH] Set SeenStore to true to prevent loads from being moved; also
 eliminates a non-deterministic behavior.

llvm-svn: 144628
---
 lib/CodeGen/TwoAddressInstructionPass.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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;