[all-commits] [llvm/llvm-project] 80a1ea: [LICM] Drop control-flow hoisting support (#225630)

[Antonio Frighetto via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 80a1eaf320f2d4e03bdde28a70151fe3467d14ba
      https://github.com/llvm/llvm-project/commit/80a1eaf320f2d4e03bdde28a70151fe3467d14ba
  Author: Antonio Frighetto <me at antoniofrighetto.com>
  Date:   2026-09-23 (Wed, 23 Sep 2026)

  Changed paths:
    M llvm/lib/Transforms/Scalar/LICM.cpp
    R llvm/test/Transforms/LICM/hoist-phi-metadata.ll
    R llvm/test/Transforms/LICM/hoist-phi.ll
    R llvm/test/Transforms/LICM/pr40317.ll

  Log Message:
  -----------
  [LICM] Drop control-flow hoisting support (#225630)

Control-flow hoisting handling in LICM was originally introduced for
hoisting PNs as part of a delayed phi-to-select conversion effort, whose
enabling however was soon reverted due to compile-time regressions and
the direction never pursued further. As such, unmaintained code has been
removed.



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