[llvm] [DirectX] introducing lowering for `bufferUpdateCounter` (PR #115041)

[Justin Bogner via llvm-commits]

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@@ -730,6 +730,15 @@ def BufferStore : DXILOp<69, bufferStore> {
   let stages = [Stages<DXIL1_0, [all_stages]>];
 }
 
+def UpdateCounter : DXILOp<70, bufferUpdateCounter> {
+  let Doc = "increments/decrements a buffer counter";
+  let arguments = [
+    HandleTy, Int8Ty
+  ];
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bogner wrote:

No need to wrap here, this list is short.
```suggestion
  let arguments = [HandleTy, Int8Ty];
```

https://github.com/llvm/llvm-project/pull/115041