From ddeab10144cfa3831a44e62f0945979d134c4ee1 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Mon, 22 Oct 2007 03:03:20 +0000
Subject: [PATCH] Fix an unfolding bug.

llvm-svn: 43212
---
 lib/Target/X86/X86RegisterInfo.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index c78db16a42e..72e0fe44b30 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -1224,7 +1224,8 @@ bool X86RegisterInfo::unfoldMemoryOperand(MachineFunction &MF, MachineInstr *MI,
     MIB.addReg(Reg, true);
   for (unsigned i = 0, e = BeforeOps.size(); i != e; ++i)
     MIB = X86InstrAddOperand(MIB, BeforeOps[i]);
-  MIB.addReg(Reg);
+  if (FoldedLoad)
+    MIB.addReg(Reg);
   for (unsigned i = 0, e = AfterOps.size(); i != e; ++i)
     MIB = X86InstrAddOperand(MIB, AfterOps[i]);
   for (unsigned i = 0, e = ImpOps.size(); i != e; ++i) {