[all-commits] [llvm/llvm-project] 3d8ed8: Revert "[VPlan] Switch to checking sinking legalit...

[m-gupta via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3d8ed8b5192a59104bfbd5bf7ac84d035ee0a4a5
      https://github.com/llvm/llvm-project/commit/3d8ed8b5192a59104bfbd5bf7ac84d035ee0a4a5
  Author: Manoj Gupta <manojgupta at google.com>
  Date:   2023-04-17 (Mon, 17 Apr 2023)

  Changed paths:
    M llvm/include/llvm/Analysis/IVDescriptors.h
    M llvm/include/llvm/Transforms/Vectorize/LoopVectorizationLegality.h
    M llvm/lib/Analysis/IVDescriptors.cpp
    M llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.h
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence-chains.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence-multiply-recurrences.ll

  Log Message:
  -----------
  Revert "[VPlan] Switch to checking sinking legality for recurrences in VPlan."

This reverts commit 7fc0b3049df532fce726d1ff6869a9f6e3183780.

Causes a clang hang when building xz utils, github issue #62187.