[all-commits] [llvm/llvm-project] ad3e0e: [APInt] Add APInt::isOneBitSet helper.

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ad3e0e4b419461bbc56a79a33167e93141ba5859
      https://github.com/llvm/llvm-project/commit/ad3e0e4b419461bbc56a79a33167e93141ba5859
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-01-03 (Tue, 03 Jan 2023)

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

  Log Message:
  -----------
  [APInt] Add APInt::isOneBitSet helper.

Equivalent tester for the APInt::getOneBitSet builder.

This should allow us to remove a number of cases where we're doing "Val == (1 << BitNo)" style code patterns.