[llvm] [InstCombine] Convert @log to @llvm.log if the input is known positive. (PR #111428)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,355 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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arsenm wrote:

Fix to use the latest version of update_test_checks? 

https://github.com/llvm/llvm-project/pull/111428