[all-commits] [llvm/llvm-project] c3e76b: [VPlan] Keep common flags during CSE. (#157664)

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c3e76b27709f93c9e945caa29dae596b581289e2
      https://github.com/llvm/llvm-project/commit/c3e76b27709f93c9e945caa29dae596b581289e2
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-09-10 (Wed, 10 Sep 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlan.h
    M llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/test/Transforms/LoopVectorize/PowerPC/vectorize-bswap.ll
    M llvm/test/Transforms/LoopVectorize/X86/scatter_crash.ll
    M llvm/test/Transforms/LoopVectorize/flags.ll

  Log Message:
  -----------
  [VPlan] Keep common flags during CSE. (#157664)

During CSE, we don't have to drop all poison-generating flags on
mis-match, we can keep the ones common on both recipes.

PR: https://github.com/llvm/llvm-project/pull/157664



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