[all-commits] [llvm/llvm-project] b05004: [VPlan] Simplify (X && Y) || (X && !Y) -> X. (#89386)

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b050048d35f6580fb427e6de9063444aa85625c6
      https://github.com/llvm/llvm-project/commit/b050048d35f6580fb427e6de9063444aa85625c6
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2024-05-19 (Sun, 19 May 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlanPatternMatch.h
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/masked-call.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/scalable-strict-fadd.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/uniform-load-store.ll
    M llvm/test/Transforms/LoopVectorize/uniform-blend.ll
    M llvm/test/Transforms/LoopVectorize/unused-blend-mask-for-first-operand.ll
    M llvm/test/Transforms/LoopVectorize/vplan-sink-scalars-and-merge.ll

  Log Message:
  -----------
  [VPlan] Simplify (X && Y) || (X && !Y) -> X. (#89386)

Simplify a common pattern generated for masks when folding the tail.

PR: https://github.com/llvm/llvm-project/pull/89386



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