[all-commits] [llvm/llvm-project] 7e5681: [DAG] Peek through ZEXT/TRUNC in foldAddSubMasked1

[deadalnix via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7e5681cf295a267de0b8c2216f049d0285a73c4c
      https://github.com/llvm/llvm-project/commit/7e5681cf295a267de0b8c2216f049d0285a73c4c
  Author: Amaury Séchet <deadalnix at gmail.com>
  Date:   2023-01-19 (Thu, 19 Jan 2023)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/X86/known-signbits-vector.ll

  Log Message:
  -----------
  [DAG] Peek through ZEXT/TRUNC in foldAddSubMasked1

Fix a regression in D141883

Depends on D141883

Reviewed By: lebedev.ri

Differential Revision: https://reviews.llvm.org/D141884