[all-commits] [llvm/llvm-project] f8a36d: [IR] Mark add constant expressions as undesirable

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f8a36d8c3e264c4fccf8058e699201a452ea7bb7
      https://github.com/llvm/llvm-project/commit/f8a36d8c3e264c4fccf8058e699201a452ea7bb7
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2023-07-20 (Thu, 20 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/bswap-fold.ll
    M llvm/test/Transforms/InstSimplify/ConstProp/constant-expr.ll
    M llvm/test/Transforms/InstSimplify/compare.ll

  Log Message:
  -----------
  [IR] Mark add constant expressions as undesirable

In preparation for removing support for add expressions, mark them
as undesirable. As such, we will no longer implicitly create such
expressions, but they still exist.