[llvm-commits] [llvm-gcc-4.2] r47721 - /llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp

[Chris Lattner]

Author: lattner
Date: Thu Feb 28 11:57:22 2008
New Revision: 47721

URL: http://llvm.org/viewvc/llvm-project?rev=47721&view=rev
Log:
Fix a crash when the valuename is null, which happens when
there is no name.  This fixes PR1480

Modified:
    llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp

Modified: llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp?rev=47721&r1=47720&r2=47721&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp Thu Feb 28 11:57:22 2008
@@ -1308,8 +1308,10 @@
 /// llvm_get_decl_name - Used by varasm.c, returns the specified declaration's
 /// name.
 const char *llvm_get_decl_name(void *LLVM) {
-  if (LLVM == 0) return "";
-  return ((Value*)LLVM)->getValueName()->getKeyData();
+  if (LLVM)
+    if (const ValueName *VN = ((Value*)LLVM)->getValueName())
+      return VN->getKeyData();
+  return "";
 }
 
 // llvm_mark_decl_weak - Used by varasm.c, called when a decl is found to be