[clang] [HLSL] Add matrix support for isnan() and isinf() (PR #195586)

[Farzon Lotfi via cfe-commits]

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@@ -5709,13 +5709,13 @@ def HLSLFrac : LangBuiltin<"HLSL_LANG"> {
 
 def HLSLIsinf : LangBuiltin<"HLSL_LANG"> {
   let Spellings = ["__builtin_hlsl_elementwise_isinf"];
-  let Attributes = [NoThrow, Const];
+  let Attributes = [NoThrow, Const, CustomTypeChecking];
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farzonl wrote:

I'm not against adding custom type checking. That said it doesn't seem relevant to the matrix support. I've only seen this necessary for fixing issues with the scalar cases of the the hlsl clang builtins.

https://github.com/llvm/llvm-project/pull/195586