[llvm] [profcheck][CVP] Adding 'unknown' branch weights for `urem` expansion in CVP (PR #180637)

[Jin Huang via llvm-commits]

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@@ -1,4 +1,4 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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jinhuang1102 wrote:

Yes, test5 in `urem.ll` covers it.

https://github.com/llvm/llvm-project/pull/180637