[all-commits] [llvm/llvm-project] fd46ed: [IR] Optimize no-op removal from AttributeSet (NFC)

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fd46ed3f397d6cf41bc6c5a04ab2089f585afe44
      https://github.com/llvm/llvm-project/commit/fd46ed3f397d6cf41bc6c5a04ab2089f585afe44
  Author: Nikita Popov <nikita.ppv at gmail.com>
  Date:   2021-05-22 (Sat, 22 May 2021)

  Changed paths:
    M llvm/lib/IR/Attributes.cpp

  Log Message:
  -----------
  [IR] Optimize no-op removal from AttributeSet (NFC)

When removing an AttrBuilder from an AttributeSet, first check
whether there is any overlap. If nothing is being removed, we can
directly return the original set.