[all-commits] [llvm/llvm-project] 8d037b: [LV][EVL] Skip tryAddExplicitVectorLength for plan...

[Mel Chen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8d037b9256298ceaccbfcc1a2ed42a81ba4ee073
      https://github.com/llvm/llvm-project/commit/8d037b9256298ceaccbfcc1a2ed42a81ba4ee073
  Author: Mel Chen <mel.chen at sifive.com>
  Date:   2025-02-05 (Wed, 05 Feb 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/test/Transforms/LoopVectorize/RISCV/vplan-vp-call-intrinsics.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/vplan-vp-cast-intrinsics.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/vplan-vp-intrinsics-reduction.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/vplan-vp-intrinsics.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/vplan-vp-select-intrinsics.ll

  Log Message:
  -----------
  [LV][EVL] Skip tryAddExplicitVectorLength for plans with scalar VF. (#125497)

The plans with scalar VF should not be transformed the plans folded by
EVL.

TODO: Move the scalar VF checking into `LoopVectorizationCostModel
::foldTailWithEVL()`.



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