Stub out a new updating interface to AliasAnalysis, allowing stateful analyses to be informed when

a pointer value has potentially become escaping.  Implementations can choose to either fall back to
conservative responses for that value, or may recompute their analysis to accomodate the change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122777 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/Analysis/AliasAnalysis.cpp b/lib/Analysis/AliasAnalysis.cpp
index 7a94c431de..be02ddbaa5 100644
--- a/lib/Analysis/AliasAnalysis.cpp
+++ b/lib/Analysis/AliasAnalysis.cpp
@@ -65,6 +65,12 @@ void AliasAnalysis::copyValue(Value *From, Value *To) {
   AA->copyValue(From, To);
 }
 
+void AliasAnalysis::addEscapingUse(Use &U) {
+  assert(AA && "AA didn't call InitializeAliasAnalysis in its run method!");
+  AA->addEscapingUse(U);
+}
+
+
 AliasAnalysis::ModRefResult
 AliasAnalysis::getModRefInfo(ImmutableCallSite CS,
                              const Location &Loc) {