[llvm] [DirectX][NFC] Model precise overload type specification of DXIL Ops (PR #83917)

[S. Bharadwaj Yadavalli via llvm-commits]

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@@ -90,6 +92,15 @@ static ParameterKind getParameterKind(MVT::SimpleValueType VT) {
   case MVT::fAny:
   case MVT::iAny:
     return ParameterKind::OVERLOAD;
+  case MVT::Other:
+    // Handle DXIL-specific overload types
+    {
+      if ((R->getValueAsInt("isHalfOrFloat")) ||
+          (R->getValueAsInt("isI16OrI32"))) {
+        return ParameterKind::OVERLOAD;
+      }
+    }
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bharadwajy wrote:

> The extra scope here isn't necessary, and we don't need parens around the `getValueAsInt` calls. 

Fixed.

> Scope comment applies to the other switch as well.

The comment is specifically to highlight the `case` that refers to the DXIL-specific types `isHalforFloat` and `isI16OrI32` only, which are of `MVT::Other` type. The other cases handle normal LLVM `MVT`s. 


https://github.com/llvm/llvm-project/pull/83917