diff options
| -rw-r--r-- | lib/Analysis/AliasSetTracker.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Analysis/AliasSetTracker.cpp b/lib/Analysis/AliasSetTracker.cpp index 3f6aa2c9b9..83ba69a69d 100644 --- a/lib/Analysis/AliasSetTracker.cpp +++ b/lib/Analysis/AliasSetTracker.cpp @@ -435,6 +435,17 @@ void AliasSetTracker::deleteValue(Value *PtrVal) { // Notify the alias analysis implementation that this value is gone. AA.deleteValue(PtrVal); + // If this is a call instruction, remove the callsite from the appropriate + // AliasSet. + CallSite CS = CallSite::get(PtrVal); + if (CS.getInstruction()) { + Function *F = CS.getCalledFunction(); + if (!F || !AA.doesNotAccessMemory(F)) { + if (AliasSet *AS = findAliasSetForCallSite(CS)) + AS->removeCallSite(CS); + } + } + // First, look up the PointerRec for this pointer. hash_map<Value*, AliasSet::PointerRec>::iterator I = PointerMap.find(PtrVal); if (I == PointerMap.end()) return; // Noop |