[all-commits] [llvm/llvm-project] 40bc30: Revert "[regalloc] Ensure Query::collectInterferri...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 40bc309911f0f92ff8b8f64d28cb13a2292695ff
      https://github.com/llvm/llvm-project/commit/40bc309911f0f92ff8b8f64d28cb13a2292695ff
  Author: Nikita Popov <nikita.ppv at gmail.com>
  Date:   2021-03-16 (Tue, 16 Mar 2021)

  Changed paths:
    M llvm/include/llvm/CodeGen/LiveIntervalUnion.h
    M llvm/lib/CodeGen/LiveIntervalUnion.cpp
    M llvm/lib/CodeGen/LiveRegMatrix.cpp
    M llvm/lib/CodeGen/RegAllocGreedy.cpp

  Log Message:
  -----------
  Revert "[regalloc] Ensure Query::collectInterferringVregs is called before interval iteration"

This reverts commit d40b4911bd9aca0573752e065f29ddd9aff280e1.

This causes a large compile-time regression:
https://llvm-compile-time-tracker.com/compare.php?from=0aa637b2037d882ddf7861284169abf63f524677&to=d40b4911bd9aca0573752e065f29ddd9aff280e1&stat=instructions