[all-commits] [llvm/llvm-project] 380dbf: Revert "Reapply [IR] Mark and/or constant expressi...

[Matthew Voss via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 380dbfd8cab0c48c46c01b519b908c6ef4d6e775
      https://github.com/llvm/llvm-project/commit/380dbfd8cab0c48c46c01b519b908c6ef4d6e775
  Author: Matthew Voss <matthew.voss at sony.com>
  Date:   2023-07-26 (Wed, 26 Jul 2023)

  Changed paths:
    M clang/test/CodeGen/catch-nullptr-and-nonzero-offset.c
    M llvm/lib/IR/ConstantFold.cpp
    M llvm/lib/IR/Constants.cpp
    M llvm/test/CodeGen/Hexagon/atomic-opaque-basic.ll
    M llvm/test/Transforms/InstCombine/and-xor-or.ll
    M llvm/test/Transforms/InstCombine/and.ll
    M llvm/test/Transforms/InstCombine/bswap-fold.ll
    M llvm/test/Transforms/InstSimplify/ConstProp/constant-expr.ll
    M llvm/test/Transforms/InstSimplify/compare.ll

  Log Message:
  -----------
  Revert "Reapply [IR] Mark and/or constant expressions as undesirable"

This reverts commit 0cab8d20417c0e2ccc1ffc5505e080126f5de8e6.

Reverted due to an LTO crash. I've put a reduced test case here:
https://github.com/llvm/llvm-project/issues/64114


  Commit: 9eb73f9c9d409f35151b0c1e01f1ed95808acd0c
      https://github.com/llvm/llvm-project/commit/9eb73f9c9d409f35151b0c1e01f1ed95808acd0c
  Author: Matthew Voss <matthew.voss at sony.com>
  Date:   2023-07-26 (Wed, 26 Jul 2023)

  Changed paths:
    M llvm/lib/IR/ConstantFold.cpp
    M llvm/test/Transforms/InstCombine/pr32686.ll

  Log Message:
  -----------
  Revert "[ConstantFold] Avoid creation of undesirable binop"

This reverts commit 673a4671f3e8b7158d990f6456428175a6eac38c.

Depends on reverted commit 0cab8d20417c0e2ccc1ffc5505e080126f5de8e6.

That commit was reverted due to an LTO crash. I've put a reduced
test case here: https://github.com/llvm/llvm-project/issues/64114


Compare: https://github.com/llvm/llvm-project/compare/2c26397f76d9...9eb73f9c9d40