[all-commits] [llvm/llvm-project] 7c9df7: [ADT] Provide C++20-style bit functions

[kazutakahirata via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7c9df7743521d21d4e03593f4501c5fd7a61c682
      https://github.com/llvm/llvm-project/commit/7c9df7743521d21d4e03593f4501c5fd7a61c682
  Author: Kazu Hirata <kazu at google.com>
  Date:   2023-02-16 (Thu, 16 Feb 2023)

  Changed paths:
    M llvm/include/llvm/ADT/APInt.h
    M llvm/unittests/ADT/APIntTest.cpp

  Log Message:
  -----------
  [ADT] Provide C++20-style bit functions

Tihs patches adds APInt::count{l,r}_{zero,one} and APInt::popcount to
be consistent with those functions in ADT/bit.h.

Once this patch lands, I'll take care of the migration.

For now, I am intentionally leaving isPowerOf2 as is.

Differential Revision: https://reviews.llvm.org/D144165