[clang] [HLSL] Implement the 'and' HLSL function (PR #127098)

[Deric Cheung via cfe-commits]

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@@ -2245,6 +2245,17 @@ bool SemaHLSL::CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
 
     break;
   }
+  case Builtin::BI__builtin_hlsl_and: {
+    if (SemaRef.checkArgCount(TheCall, 2))
+      return true;
+    if (CheckVectorElementCallArgs(&SemaRef, TheCall))
+      return true;
+    ExprResult A = TheCall->getArg(0);
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Icohedron wrote:

I think it's just difference in wording. I'm pretty sure we are talking about the same thing? If you pass a non-bool type into `__builtin_hlsl_and` then it will be implicitly converted to a bool. Hence "any type that can be implicitly cast to a bool (vector) are allowed to be passed" into it.

https://github.com/llvm/llvm-project/pull/127098