[clang] [llvm] [DirectX] Add target builtins (PR #134439)

[Helena Kotas via llvm-commits]

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@@ -0,0 +1,23 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
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hekota wrote:

The filename should probably be dot2add.hlsl.

https://github.com/llvm/llvm-project/pull/134439