[clang] [HLSL] Add "or" intrinsic (PR #128979)

[Damyan Pepper via cfe-commits]

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@@ -290,6 +290,24 @@ _HLSL_BUILTIN_ALIAS(__builtin_hlsl_and)
 bool4 and(bool4 x, bool4 y);
 // clang-format on
 
+//===----------------------------------------------------------------------===//
+// or builtins
+//===----------------------------------------------------------------------===//
+
+/// \fn T or(T x, T y)
+/// \brief Returns the bitwise OR of the two input values, \a x and \a y.
+/// \param x The first input value and y The second input value.
+///
+/// \returns The logically OR a vector and retuens bool vector.
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damyanp wrote:

Thanks, this update LGTM, but I'll leave it to @spall to resolve the conversation.  It's possible that both the "and" and the "or" comments could do with some additional clarity :)

https://github.com/llvm/llvm-project/pull/128979