From 88536398ffbcf8ce970e46894492f62041df1dbe Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Thu, 2 Oct 2008 15:04:30 +0000
Subject: Fix a think-o in isSafeToMove. This fixes it from thinking that
 volatile memory references are safe to move.

llvm-svn: 56948
---
 llvm/lib/CodeGen/MachineInstr.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen/MachineInstr.cpp')

diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index 4db02f49819..4a7059a515f 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -707,7 +707,7 @@ bool MachineInstr::isSafeToMove(const TargetInstrInfo *TII, bool &SawStore) {
   if (TID->mayLoad() && !TII->isInvariantLoad(this))
     // Otherwise, this is a real load.  If there is a store between the load and
     // end of block, or if the laod is volatile, we can't move it.
-    return SawStore || hasVolatileMemoryRef();
+    return !SawStore && !hasVolatileMemoryRef();
 
   return true;
 }
-- 
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