================
@@ -2030,8 +2030,25 @@ bool Sema::checkConstantPointerAuthKey(Expr *Arg,
unsigned &Result) {
return false;
}
+static std::pair<const ValueDecl *, CharUnits>
+findConstantBaseAndOffset(Sema &S, Expr *E) {
+ // Must evaluate as a pointer.
+ Expr::EvalResult Result;
+ if (!E->EvaluateAsRValue(Result, S.Context) || !Result.Val.isLValue())
+ return std::make_pair(nullptr, CharUnits());
+
+ // Base must be a declaration and can't be weakly imported.
----------------
ahmedbougacha wrote:
I removed the weakref base pointer check because that's currently supported in
the qualifier (and I think this should have also checked for weakimport as well
for the cases I care about), so the backend has to deal with ptrauth weak refs
anyway. There's a higher-level set of problems around how we deal with weak
refs in general, but that's a separate topic.
https://github.com/llvm/llvm-project/pull/93904
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