From 052d2ff5dda20a7a3ff07f2829acbbb4827d7a9c Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 13 Jan 2006 20:19:44 +0000
Subject: [PATCH] Fix a bug in my last X86 checkin, pointed out by cozmic

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25293 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86ISelPattern.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Target/X86/X86ISelPattern.cpp b/lib/Target/X86/X86ISelPattern.cpp
index c5d5a26666f..678e1829aff 100644
--- a/lib/Target/X86/X86ISelPattern.cpp
+++ b/lib/Target/X86/X86ISelPattern.cpp
@@ -1229,7 +1229,8 @@ unsigned ISel::SelectExpr(SDOperand N) {
       cast<RegisterSDNode>(Node->getOperand(1))->getReg() :
       cast<RegisterSDNode>(Node)->getReg();
     // Just use the specified register as our input if we can.
-    if (MRegisterInfo::isVirtualRegister(Reg))
+    if (Node->getOpcode() == ISD::Register ||
+        MRegisterInfo::isVirtualRegister(Reg))
       return Reg;
   }