From 597f7b6ee3dd9065d7cf98f8db317bc60a7f29c1 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Mon, 16 Nov 2009 06:31:49 +0000
Subject: Check if subreg index is zero.

llvm-svn: 88899
---
 llvm/lib/CodeGen/TargetInstrInfoImpl.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen')

diff --git a/llvm/lib/CodeGen/TargetInstrInfoImpl.cpp b/llvm/lib/CodeGen/TargetInstrInfoImpl.cpp
index 349d43c7244..102e2a34a97 100644
--- a/llvm/lib/CodeGen/TargetInstrInfoImpl.cpp
+++ b/llvm/lib/CodeGen/TargetInstrInfoImpl.cpp
@@ -142,8 +142,10 @@ void TargetInstrInfoImpl::reMaterialize(MachineBasicBlock &MBB,
   if (TargetRegisterInfo::isVirtualRegister(DestReg)) {
     MO.setReg(DestReg);
     MO.setSubReg(SubIdx);
-  } else {
+  } else if (SubIdx) {
     MO.setReg(TRI->getSubReg(DestReg, SubIdx));
+  } else {
+    MO.setReg(DestReg);
   }
   MBB.insert(I, MI);
 }
-- 
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