[all-commits] [llvm/llvm-project] 74e3df: [LV] Disable forcing interleaving for uncountable ...

[David Sherwood via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 74e3dfe389fda89b584f6e1f4b00700f54b1b1ac
      https://github.com/llvm/llvm-project/commit/74e3dfe389fda89b584f6e1f4b00700f54b1b1ac
  Author: David Sherwood <david.sherwood at arm.com>
  Date:   2025-07-11 (Fri, 11 Jul 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/single-early-exit-interleave.ll
    M llvm/test/Transforms/LoopVectorize/single-early-exit-interleave.ll
    M llvm/test/Transforms/LoopVectorize/vector-loop-backedge-elimination-early-exit.ll

  Log Message:
  -----------
  [LV] Disable forcing interleaving for uncountable early exit loops (#147993)

Interleaving does not currently work properly when vectorising loops
with uncountable early exits. Interleaving is already disabled for
normal vectorisation and for the pragma/hint - this patch also disables
it when using -force-vector-interleave.



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