[llvm] [BranchRelaxation] Fix invalid branch generation in branch-relaxation (PR #162065)

[Sam Elliott via llvm-commits]

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@@ -0,0 +1,24 @@
+# NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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lenary wrote:

iirc for a MIR test you need update_mir_test_checks.py not the llc version (which expects assembly output) - this is why there are no real CHECK lines in this output.

https://github.com/llvm/llvm-project/pull/162065