[all-commits] [llvm/llvm-project] 2ba142: Revert "[SelectionDAG] Handle NSW for ADD/SUB in c...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2ba14283cdce08e03c62e8a1d895f1743300236b
      https://github.com/llvm/llvm-project/commit/2ba14283cdce08e03c62e8a1d895f1743300236b
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2023-05-25 (Thu, 25 May 2023)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
    M llvm/test/CodeGen/Thumb2/mve-blockplacement.ll

  Log Message:
  -----------
  Revert "[SelectionDAG] Handle NSW for ADD/SUB in computeKnownBits()"

This reverts commit b66551370fdfc6f357ae0d77237119d2b1077b62.

This has exposed a pre-existing miscompile, reported in
https://reviews.llvm.org/D150769#4370467.