[llvm] r180044 - Fix unused variable warning.

[Chad Rosier]

Author: mcrosier
Date: Mon Apr 22 15:42:32 2013
New Revision: 180044

URL: http://llvm.org/viewvc/llvm-project?rev=180044&view=rev
Log:
Fix unused variable warning.

Modified:
    llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp

Modified: llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp?rev=180044&r1=180043&r2=180044&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp (original)
+++ llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp Mon Apr 22 15:42:32 2013
@@ -1130,7 +1130,7 @@ X86AsmParser::CreateMemForInlineAsm(unsi
                                     InlineAsmIdentifierInfo &Info){
 
 
-  if (const MCSymbolRefExpr *SymRef = dyn_cast<MCSymbolRefExpr>(Disp)) {
+  if (Disp && isa<MCSymbolRefExpr>(Disp)) {
     // If this is not a VarDecl then assume it is a FuncDecl or some other label
     // reference.  We need an 'r' constraint here, so we need to create register
     // operand to ensure proper matching.  Just pick a GPR based on the size of