[all-commits] [llvm/llvm-project] 28d39b: CodeGen: Remove dead LiveVariables plumbing from M...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 28d39b47e98af5a6fd8dc676f9ef576fe4b30724
      https://github.com/llvm/llvm-project/commit/28d39b47e98af5a6fd8dc676f9ef576fe4b30724
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2026-09-10 (Thu, 10 Sep 2026)

  Changed paths:
    M llvm/lib/CodeGen/MachineSink.cpp

  Log Message:
  -----------
  CodeGen: Remove dead LiveVariables plumbing from MachineSink (#222563)

MachineSink threaded a LiveVariables pointer through to
SplitCriticalEdge so the analysis would be updated. It never used
LiveVariables for any decision, and MachineSinking runs before
LiveVariables in every pipeline.

Co-authored-by: Claude (Claude-Opus-4.8)



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