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

[Justin Bogner via llvm-commits]

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@@ -219,6 +269,20 @@ static std::string getOverloadKindStr(MVT::SimpleValueType VT) {
     return "OverloadKind::I16 | OverloadKind::I32 | OverloadKind::I64";
   case MVT::fAny:
     return "OverloadKind::HALF | OverloadKind::FLOAT | OverloadKind::DOUBLE";
+  case MVT::Other:
+    // Handle DXIL-specific overload types
+    {
+      auto RetStr =
+          StringSwitch<std::string>(R->getNameInitAsString())
+              .Case("llvm_i16ori32_ty", "OverloadKind::I16 | OverloadKind::I32")
+              .Case("llvm_halforfloat_ty",
+                    "OverloadKind::HALF | OverloadKind::FLOAT")
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bogner wrote:

Are these the only two instances of these sets of types that are needed for all of the DXIL ops? If there are others, are they always two types or could it be a larger set?

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