[clang] [HLSL] Implement support for HLSL intrinsic - select (PR #107129)

[Cooper Partin via cfe-commits]

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@@ -1545,6 +1605,30 @@ bool SemaHLSL::CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
     break;
   }
   case Builtin::BI__builtin_hlsl_elementwise_saturate:
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coopp wrote:

Sounds good.

https://github.com/llvm/llvm-project/pull/107129