[all-commits] [llvm/llvm-project] 640300: SLP: honor requested max vector size merging PHIs

[Stanislav Mekhanoshin via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 64030099c378062131fa1b29742a783f2ca14c17
      https://github.com/llvm/llvm-project/commit/64030099c378062131fa1b29742a783f2ca14c17
  Author: Stanislav Mekhanoshin <Stanislav.Mekhanoshin at amd.com>
  Date:   2020-07-08 (Wed, 08 Jul 2020)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/remark_unsupported.ll
    M llvm/test/Transforms/SLPVectorizer/slp-max-phi-size.ll

  Log Message:
  -----------
  SLP: honor requested max vector size merging PHIs

At the moment this place does not check maximum size set
by TTI and just creates a maximum possible vectors.

Differential Revision: https://reviews.llvm.org/D82227