[all-commits] [llvm/llvm-project] 144bdf: [VPlan] Also check if plan for best legacy VF cont...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 144bdf3eb7128518ed162c5a168e3ec90922cd9e
      https://github.com/llvm/llvm-project/commit/144bdf3eb7128518ed162c5a168e3ec90922cd9e
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2024-11-08 (Fri, 08 Nov 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    A llvm/test/Transforms/LoopVectorize/RISCV/select-invariant-cond-cost.ll

  Log Message:
  -----------
  [VPlan] Also check if plan for best legacy VF contains simplifications.

The plan for the VF chosen by the legacy cost model could also contain
additional simplifications that cause cost differences. Also check if it
contains simplifications.

Fixes https://github.com/llvm/llvm-project/issues/114860.



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