[llvm-commits] [llvm] r51069 - /llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp

[Owen Anderson]

Author: resistor
Date: Tue May 13 16:25:37 2008
New Revision: 51069

URL: http://llvm.org/viewvc/llvm-project?rev=51069&view=rev
Log:
Fix memdep's handling of invokes when finding the dependency of another call
instruction.  This fixes some Ada miscompiles reported in PR2324.

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

Modified: llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp?rev=51069&r1=51068&r2=51069&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp Tue May 13 16:25:37 2008
@@ -129,7 +129,7 @@
       
       // FreeInsts erase the entire structure
       pointerSize = ~0UL;
-    } else if (isa<CallInst>(QI)) {
+    } else if (CallSite::get(QI).getInstruction() != 0) {
       AliasAnalysis::ModRefBehavior result =
                    AA.getModRefBehavior(CallSite::get(QI));
       if (result != AliasAnalysis::DoesNotAccessMemory) {