[llvm-commits] [llvm] r63902 - /llvm/trunk/lib/Analysis/AliasAnalysis.cpp

[Owen Anderson]

Author: resistor
Date: Thu Feb  5 18:13:43 2009
New Revision: 63902

URL: http://llvm.org/viewvc/llvm-project?rev=63902&view=rev
Log:
Fix a crasher: we need to check that the function is non-null before using it!

Modified:
    llvm/trunk/lib/Analysis/AliasAnalysis.cpp

Modified: llvm/trunk/lib/Analysis/AliasAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/AliasAnalysis.cpp?rev=63902&r1=63901&r2=63902&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/AliasAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/AliasAnalysis.cpp Thu Feb  5 18:13:43 2009
@@ -120,7 +120,7 @@
 AliasAnalysis::ModRefBehavior
 AliasAnalysis::getModRefBehavior(Function *F,
                                  std::vector<PointerAccessInfo> *Info) {
-  if (F->doesNotAccessMemory())
+  if (F && F->doesNotAccessMemory())
     // Can't do better than this.
     return DoesNotAccessMemory;
   return UnknownModRefBehavior;