[all-commits] [llvm/llvm-project] 9f3d16: [SCEVExpander] Preserve gep nuw during expansion (...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9f3d1695eb97a4612b0cf2bbc5eb85ebdb5eaff8
      https://github.com/llvm/llvm-project/commit/9f3d1695eb97a4612b0cf2bbc5eb85ebdb5eaff8
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2024-10-02 (Wed, 02 Oct 2024)

  Changed paths:
    M llvm/include/llvm/Transforms/Utils/ScalarEvolutionExpander.h
    M llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
    M llvm/test/Analysis/ScalarEvolution/scev-expander-reuse-gep.ll
    M llvm/test/Transforms/IndVarSimplify/D108043.ll
    M llvm/test/Transforms/IndVarSimplify/lftr-dead-ivs.ll
    M llvm/test/Transforms/IndVarSimplify/lftr.ll
    M llvm/test/Transforms/LoopIdiom/basic-address-space.ll
    M llvm/test/Transforms/LoopIdiom/basic.ll
    M llvm/test/Transforms/LoopIdiom/memset-pr52104.ll
    M llvm/test/Transforms/LoopStrengthReduce/2011-12-19-PostincQuadratic.ll
    M llvm/test/Transforms/LoopStrengthReduce/X86/2012-01-13-phielim.ll
    M llvm/test/Transforms/LoopStrengthReduce/post-inc-icmpzero.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-interleaved-accesses.ll
    M llvm/test/Transforms/LoopVectorize/induction.ll
    M llvm/test/Transforms/LoopVectorize/interleaved-accesses.ll
    M llvm/test/Transforms/LoopVectorize/multiple-strides-vectorization.ll
    M llvm/test/Transforms/LoopVectorize/pr47343-expander-lcssa-after-cfg-update.ll
    M llvm/test/Transforms/LoopVectorize/runtime-checks-difference.ll
    M llvm/test/Transforms/LoopVersioning/add-phi-update-users.ll
    M llvm/test/Transforms/LoopVersioning/bound-check-partially-known.ll

  Log Message:
  -----------
  [SCEVExpander] Preserve gep nuw during expansion (#102133)

When expanding SCEV adds to geps, transfer the nuw flag to the resulting
gep. (Note that this doesn't apply to IV increment GEPs, which go
through a different code path.)



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications