[llvm] [DirectX][NFC] Use LLVM Types in DXIL Operation specifications in DXIL.td (PR #81692)

[Justin Bogner via llvm-commits]

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@@ -151,7 +139,8 @@ DXILOperationDesc::DXILOperationDesc(const Record *R) {
 DXILParameter::DXILParameter(const Record *R) {
   Name = R->getValueAsString("Name");
   Pos = R->getValueAsInt("Pos");
-  Kind = parameterTypeNameToKind(R->getValueAsString("Type"));
+  Kind = getDXILTypeNameToKind(
+      R->getValue("ParamType")->getValue()->getAsString());
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bogner wrote:

The name `getDXILTypeNameToKind` is a bit confusing, both because it doesn't "get" a "DXILTypeName" and because "get" usually implies an accessor or something that's otherwise pretty free. Maybe something like "lookupParameterKind" would be better.

https://github.com/llvm/llvm-project/pull/81692