Free and vaarg are not really volatile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51407 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/AliasSetTracker.cpp b/lib/Analysis/AliasSetTracker.cpp
index 228bb80..398bf5a 100644
--- a/lib/Analysis/AliasSetTracker.cpp
+++ b/lib/Analysis/AliasSetTracker.cpp
@@ -284,20 +284,13 @@
bool AliasSetTracker::add(FreeInst *FI) {
bool NewPtr;
- AliasSet &AS = addPointer(FI->getOperand(0), ~0,
- AliasSet::Mods, NewPtr);
-
- // Free operations are volatile ops (cannot be moved).
- AS.setVolatile();
+ addPointer(FI->getOperand(0), ~0, AliasSet::Mods, NewPtr);
return NewPtr;
}
bool AliasSetTracker::add(VAArgInst *VAAI) {
bool NewPtr;
- AliasSet &AS = addPointer(VAAI->getOperand(0), ~0, AliasSet::ModRef, NewPtr);
-
- // Treat vaarg instructions as volatile (not to be moved).
- AS.setVolatile();
+ addPointer(VAAI->getOperand(0), ~0, AliasSet::ModRef, NewPtr);
return NewPtr;
}