[clang] [Clang] Add builtins for masked vector loads / stores (PR #154464)

[Erich Keane via cfe-commits]

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@@ -1232,6 +1232,18 @@ def ConvertVector : Builtin {
   let Prototype = "void(...)";
 }
 
+def MaskedLoad : Builtin {
+  let Spellings = ["__builtin_masked_load"];
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erichkeane wrote:

Im gonna grumble about this, but I think that is fine then.  So, "Thanks, I hate it.".

https://github.com/llvm/llvm-project/pull/154464