[all-commits] [llvm/llvm-project] 161bdd: [ADT] Make BitmaskEnum operations constant express...

[Pavel Labath via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 161bddf3af09aa883c9414d793de79c89e51636a
      https://github.com/llvm/llvm-project/commit/161bddf3af09aa883c9414d793de79c89e51636a
  Author: Pavel Labath <pavel at labath.sk>
  Date:   2022-03-11 (Fri, 11 Mar 2022)

  Changed paths:
    M llvm/include/llvm/ADT/BitmaskEnum.h
    M llvm/include/llvm/Support/MathExtras.h
    M llvm/unittests/ADT/BitmaskEnumTest.cpp

  Log Message:
  -----------
  [ADT] Make BitmaskEnum operations constant expressions

This avoids runtime initialization (a global constructor) whenever they appear
in the initializer.

The patch just adds the constexpr keyword to a couple of functions.

Differential Revision: https://reviews.llvm.org/D121281