[clang] [X86][vectorcall] Pass built types byval when xmm0~6 exhausted (PR #91846)

[Phoebe Wang via cfe-commits]

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@@ -792,7 +792,7 @@ ABIArgInfo X86_32ABIInfo::classifyArgumentType(QualType Ty, CCState &State,
         return ABIArgInfo::getDirect();
       return ABIArgInfo::getExpand();
     }
-    return getIndirectResult(Ty, /*ByVal=*/false, State);
+    return getIndirectResult(Ty, IsVectorCall && Ty->isBuiltinType(), State);
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phoebewang wrote:

Done.

https://github.com/llvm/llvm-project/pull/91846