[all-commits] [llvm/llvm-project] 15bb1d: [VPlan] Remove ILV::sinkScalarOperands. (#136023)

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 15bb1db4a98309f8769fa6d53a52eae62a61fbb2
      https://github.com/llvm/llvm-project/commit/15bb1db4a98309f8769fa6d53a52eae62a61fbb2
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-04-24 (Thu, 24 Apr 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/masked-call.ll
    M llvm/test/Transforms/LoopVectorize/X86/pr51366-sunk-instruction-used-outside-of-loop.ll
    M llvm/test/Transforms/LoopVectorize/X86/small-size.ll
    M llvm/test/Transforms/LoopVectorize/pointer-induction.ll
    M llvm/test/Transforms/LoopVectorize/tail-folding-vectorization-factor-1.ll

  Log Message:
  -----------
  [VPlan] Remove ILV::sinkScalarOperands. (#136023)

Remove legacy ILV sinkScalarOperands, which is superseded by the
sinkScalarOperands VPlan transforms.

There are a few cases that aren't handled by VPlan's sinkScalarOperands,
because the recipes doesn't support replicating. Those are pointer
inductions and blends.

We could probably improve this further, by allowing replication for more
recipes, but I don't think the extra complexity is warranted.

Depends on https://github.com/llvm/llvm-project/pull/136021.

PR: https://github.com/llvm/llvm-project/pull/136023



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