[llvm] [DXIL] Model DXIL Class and Shader Model association of DXIL Ops in DXIL.td (PR #87803)

[Farzon Lotfi via llvm-commits]

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@@ -131,7 +140,7 @@ struct OpCodeProperty {
   dxil::OpCodeClass OpCodeClass;
   // Offset in DXILOpCodeClassNameTable.
   unsigned OpCodeClassNameOffset;
-  uint16_t OverloadTys;
+  std::vector<OpSMOverloadProp> OverloadProp;
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farzonl wrote:

should this be a `SmallVector<OpSMOverloadProp> OverloadProp`?

https://github.com/llvm/llvm-project/pull/87803