Fix a silly bug that Nicholas noticed.

llvm-svn: 44324
2007-11-26 03:27:38 +00:00 · 2007-11-26 03:27:38 +00:00 · 7cad745d49
parent 4f833c7610
commit 7cad745d49
1 changed files with 2 additions and 1 deletions
--- a/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp
+++ b/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp
@ -94,7 +94,8 @@ Instruction* MemoryDependenceAnalysis::getCallSiteDependency(CallSite C,
      
      // FreeInsts erase the entire structure
      pointerSize = ~0UL;
-    } else if (CallSite::get(QI).getInstruction() != 0) {
+    } else if (CallSite::get(QI).getInstruction() != 0 &&
+               cast<CallInst>(QI)->getCalledFunction()) {
      AliasAnalysis::ModRefBehavior result =
                   AA.getModRefBehavior(cast<CallInst>(QI)->getCalledFunction(),
                                        CallSite::get(QI));