[all-commits] [llvm/llvm-project] 559d1d: [VPlan] Materialize BackedgeTakenCount using VPIns...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 559d1dff891682ec66d4a987dfa0b9404c7af3e4
      https://github.com/llvm/llvm-project/commit/559d1dff891682ec66d4a987dfa0b9404c7af3e4
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-08-03 (Sun, 03 Aug 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/lib/Transforms/Vectorize/VPlan.cpp
    M llvm/lib/Transforms/Vectorize/VPlan.h
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.h
    M llvm/test/Transforms/LoopVectorize/AArch64/tail-folding-styles.ll

  Log Message:
  -----------
  [VPlan] Materialize BackedgeTakenCount using VPInstructions.

Explicitly compute the backedge-taken count using VPInstruction. This is
needed to model the full skeleton in VPlan.

NFC modulo some instruction re-ordering.



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