[all-commits] [llvm/llvm-project] 4a2ebd: [LV][NFC] Refactor structures used to maintain unc...

[David Sherwood via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4a2ebd6661cf1c929c280e863e4299164800413e
      https://github.com/llvm/llvm-project/commit/4a2ebd6661cf1c929c280e863e4299164800413e
  Author: David Sherwood <david.sherwood at arm.com>
  Date:   2025-01-22 (Wed, 22 Jan 2025)

  Changed paths:
    M llvm/include/llvm/Transforms/Vectorize/LoopVectorizationLegality.h
    M llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp

  Log Message:
  -----------
  [LV][NFC] Refactor structures used to maintain uncountable exit info (#123219)

I've removed the HasUncountableEarlyExit variable, since we can
already determine whether or not a loop has an early exit by seeing
if we found an uncountable exit.

I have also deleted the old UncountableExitingBlocks and
UncountableExitBlocks lists and replaced them with a single
uncountable edge. This means we don't need to worry about keeping the
list entries in sync and makes it clear which exiting block
corresponds to which exit block.



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