[all-commits] [llvm/llvm-project] f228b5: [SLP] Generalization of stores vectorization.

[Alexey Bataev via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: f228b5371647f471853c5fb3e6719823a42fe451
      https://github.com/llvm/llvm-project/commit/f228b5371647f471853c5fb3e6719823a42fe451
  Author: Alexey Bataev <a.bataev at hotmail.com>
  Date:   2019-10-29 (Tue, 29 Oct 2019)

  Changed paths:
    M llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/arith-add-ssat.ll
    M llvm/test/Transforms/SLPVectorizer/X86/arith-add-usat.ll
    M llvm/test/Transforms/SLPVectorizer/X86/arith-add.ll
    M llvm/test/Transforms/SLPVectorizer/X86/arith-fix.ll
    M llvm/test/Transforms/SLPVectorizer/X86/arith-mul.ll
    M llvm/test/Transforms/SLPVectorizer/X86/arith-sub-ssat.ll
    M llvm/test/Transforms/SLPVectorizer/X86/arith-sub-usat.ll
    M llvm/test/Transforms/SLPVectorizer/X86/arith-sub.ll
    M llvm/test/Transforms/SLPVectorizer/X86/bitreverse.ll
    M llvm/test/Transforms/SLPVectorizer/X86/ctlz.ll
    M llvm/test/Transforms/SLPVectorizer/X86/ctpop.ll
    M llvm/test/Transforms/SLPVectorizer/X86/cttz.ll
    M llvm/test/Transforms/SLPVectorizer/X86/different-vec-widths.ll
    M llvm/test/Transforms/SLPVectorizer/X86/pr35497.ll
    M llvm/test/Transforms/SLPVectorizer/X86/shift-ashr.ll
    M llvm/test/Transforms/SLPVectorizer/X86/shift-lshr.ll
    M llvm/test/Transforms/SLPVectorizer/X86/shift-shl.ll
    M llvm/test/Transforms/SLPVectorizer/X86/stores_vectorize.ll

  Log Message:
  -----------
  [SLP] Generalization of stores vectorization.

Stores are vectorized with maximum vectorization factor of 16. Patch
tries to improve the situation and use maximal vectorization factor.

Reviewers: spatel, RKSimon, mkuper, hfinkel

Differential Revision: https://reviews.llvm.org/D43582