[llvm-branch-commits] [CodeGen][CFI] Generalize transparent union in args of args of functions (PR #158194)

[Peter Collingbourne via llvm-branch-commits]

================
@@ -2360,12 +2363,19 @@ static QualType GeneralizeType(ASTContext &Ctx, 
QualType Ty,
                                bool GeneralizePointers) {
   Ty = GeneralizeTransparentUnion(Ty);
 
-  if (!GeneralizePointers || !Ty->isPointerType())
+  if (!Ty->isPointerType())
+    return Ty;
+
+  QualType PTy = Ty->getPointeeType();
+  if (PTy->getAs<FunctionProtoType>() || PTy->getAs<FunctionNoProtoType>())
----------------
pcc wrote:

The hook could also do the pointer generalization, no?

https://github.com/llvm/llvm-project/pull/158194
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