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

[Justin Bogner via llvm-commits]

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@@ -0,0 +1,31 @@
+; RUN: opt -S -dxil-op-lower %s | FileCheck %s
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bogner wrote:

I don't see any `CHECK:` lines in this test...

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