+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
+void AliasSet::dump() const { print(dbgs()); }
+void AliasSetTracker::dump() const { print(dbgs()); }
+#endif
+
+//===----------------------------------------------------------------------===//
+// ASTCallbackVH Class Implementation
+//===----------------------------------------------------------------------===//
+
+void AliasSetTracker::ASTCallbackVH::deleted() {
+ assert(AST && "ASTCallbackVH called with a null AliasSetTracker!");
+ AST->deleteValue(getValPtr());
+ // this now dangles!
+}
+
+void AliasSetTracker::ASTCallbackVH::allUsesReplacedWith(Value *V) {
+ AST->copyValue(getValPtr(), V);
+}
+
+AliasSetTracker::ASTCallbackVH::ASTCallbackVH(Value *V, AliasSetTracker *ast)
+ : CallbackVH(V), AST(ast) {}
+
+AliasSetTracker::ASTCallbackVH &
+AliasSetTracker::ASTCallbackVH::operator=(Value *V) {
+ return *this = ASTCallbackVH(V, AST);
+}