[all-commits] [llvm/llvm-project] a13148: [SLP]Fix PR75995: drop wrapping flags for resized ...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a13148a8808d1cc50c97cb2c1411694840a5ddc7
      https://github.com/llvm/llvm-project/commit/a13148a8808d1cc50c97cb2c1411694840a5ddc7
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2023-12-20 (Wed, 20 Dec 2023)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/minbitwidth-drop-wrapping-flags.ll

  Log Message:
  -----------
  [SLP]Fix PR75995: drop wrapping flags for resized wrapped binops.

If decided to resize the instruction, need to drop wrapping flags from
the resulting vector instructions to avoid incorrect
optimizations/assumptions later.
Fixes PR75995.