[llvm] [InstCombine] Introduce `foldICmpBinOpWithConstantViaTruthTable` folding (PR #139109)

[Antonio Frighetto 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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antoniofrighetto wrote:

Got `LLVM ERROR: Instruction Combining on icmp_eq_or_of_selects_with_scalar_cond_constant_vectorized did not reach a fixpoint after 1 iterations.` after running the test. Did I miss something in the code or is this an orthogonal issue?

https://github.com/llvm/llvm-project/pull/139109