[all-commits] [llvm/llvm-project] e0bc77: Revert "[SelectionDAG] Transitively copy NodeExtra...

[Marco Elver via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e0bc7790005a5da36d954fee6b20b441dec929d8
      https://github.com/llvm/llvm-project/commit/e0bc7790005a5da36d954fee6b20b441dec929d8
  Author: Marco Elver <elver at google.com>
  Date:   2023-03-02 (Thu, 02 Mar 2023)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
    M llvm/test/CodeGen/X86/pcsections-atomics.ll

  Log Message:
  -----------
  Revert "[SelectionDAG] Transitively copy NodeExtraInfo on RAUW"

This reverts commit 7f635b90e7bdf1378fd9a65fc62b99e8e07d4aaf.

The current implementation causes pathological slowdowns in certain
cases: https://github.com/llvm/llvm-project/issues/61108