[all-commits] [llvm/llvm-project] 7fe41a: Revert "[LV] Unconditionally branch from middle to...

[Adrian Kuegel via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7fe41ac3dff2d44c3d2c31b28554fbe4a86eaa6c
      https://github.com/llvm/llvm-project/commit/7fe41ac3dff2d44c3d2c31b28554fbe4a86eaa6c
  Author: Adrian Kuegel <akuegel at google.com>
  Date:   2021-02-05 (Fri, 05 Feb 2021)

  Changed paths:
    M llvm/lib/Transforms/Utils/LoopVersioning.cpp
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence-complex.ll
    M llvm/test/Transforms/LoopVectorize/interleaved-accesses.ll
    M llvm/test/Transforms/LoopVectorize/loop-form.ll

  Log Message:
  -----------
  Revert "[LV] Unconditionally branch from middle to scalar preheader if the scalar loop must execute"

This reverts commit 3e5ce49e5371ce4feadbf97dd5c2b652d9db3d1d.

Tests started failing on PPC, for example:
http://lab.llvm.org:8011/#/builders/105/builds/5569