[llvm] [X86][test] Auto-generate test checks for some cfi tests. (PR #177248)

[Simon Pilgrim via llvm-commits]

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@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6
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RKSimon wrote:

Unnecessary - remove this

https://github.com/llvm/llvm-project/pull/177248