[all-commits] [llvm/llvm-project] 9a26b2: [VPlan] Don't rely on region check in isUniformAft...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9a26b2903bd1c3fbb3a71747f9c53aec93158595
      https://github.com/llvm/llvm-project/commit/9a26b2903bd1c3fbb3a71747f9c53aec93158595
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-05-02 (Fri, 02 May 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlanUtils.h
    M llvm/test/Transforms/LoopVectorize/AArch64/conditional-branches-cost.ll
    M llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1.ll
    M llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1_and.ll
    M llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1_div_urem.ll
    M llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1_lshr.ll
    M llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction2.ll

  Log Message:
  -----------
  [VPlan] Don't rely on region check in isUniformAfterVectorization. (#137883)

Generalize isUniformAfterVectorization check to not rely on the region,
but purely work on checking operands and opcodes.

This will be needed when disolving the vector region
(https://github.com/llvm/llvm-project/pull/117506) and improves codegen
slightly in some cases.

PR: https://github.com/llvm/llvm-project/pull/137883



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