[llvm] [InstCombine] Set `samesign` when converting signed predicates into unsigned (PR #112642)

[Nikita Popov via llvm-commits]

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@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -passes=instcombine -S | FileCheck %s
+; RUN: opt < %s -passes="instcombine<no-verify-fixpoint>" -S | FileCheck %s
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nikic wrote:

I'm also wondering if it would make sense to add an `"instcombine-no-verify-fixpoint"` function attribute, so that we can mark a single function instead of a whole file. This makes it easier to see which function is problematic and also avoids disabling verification for many unrelated tests...

https://github.com/llvm/llvm-project/pull/112642