[all-commits] [llvm/llvm-project] e18736: [Attributor] Teach AAPointerInfo about atomic cmxc...

[Johannes Doerfert via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e18736149c67cff47492617aa02b31f3d6067a51
      https://github.com/llvm/llvm-project/commit/e18736149c67cff47492617aa02b31f3d6067a51
  Author: Johannes Doerfert <johannes at jdoerfert.de>
  Date:   2022-10-05 (Wed, 05 Oct 2022)

  Changed paths:
    M llvm/lib/Transforms/IPO/AttributorAttributes.cpp
    M llvm/test/Transforms/Attributor/value-simplify-pointer-info-struct.ll

  Log Message:
  -----------
  [Attributor] Teach AAPointerInfo about atomic cmxchg and rmw

The atomic operations behave similar to a store except that we don't
know the new value and we read the result first.