[all-commits] [llvm/llvm-project] f0c3df: [TableGen] Avoid extra IntrusiveRefCntPtr when cal...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f0c3dfdbf1e3921638fa3dda4944fd84e9bb7e45
      https://github.com/llvm/llvm-project/commit/f0c3dfdbf1e3921638fa3dda4944fd84e9bb7e45
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2023-04-16 (Sun, 16 Apr 2023)

  Changed paths:
    M llvm/utils/TableGen/CodeGenDAGPatterns.cpp
    M llvm/utils/TableGen/CodeGenDAGPatterns.h

  Log Message:
  -----------
  [TableGen] Avoid extra IntrusiveRefCntPtr when calling SimplifyTree. NFC

Add a helper to get modifiable access to the IntrusiveRefCntPtr
stored in the Children array. This avoids copying and overwriting the child.