[all-commits] [llvm/llvm-project] a7b898: [InstCombine] Disallow constant expressions in `no...

[Roman Lebedev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a7b898b49abb90dd289d7c9adf5f9a6350787347
      https://github.com/llvm/llvm-project/commit/a7b898b49abb90dd289d7c9adf5f9a6350787347
  Author: Roman Lebedev <lebedev.ri at gmail.com>
  Date:   2022-12-20 (Tue, 20 Dec 2022)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp

  Log Message:
  -----------
  [InstCombine] Disallow constant expressions in `not` canonicalization

As per post-commit feedback - we generally do not like Constant Expressions,
and trying to deal with them leads to inconsistent results
that may very well be non-optimal. So just don't.