[all-commits] [llvm/llvm-project] 9dc4ce: [SLP]Try partial store vectorization if supported ...

[Andrew V. Tischenko via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9dc4ced204d1e918d4c8d3279e52197e9a5abc94
      https://github.com/llvm/llvm-project/commit/9dc4ced204d1e918d4c8d3279e52197e9a5abc94
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2022-05-09 (Mon, 09 May 2022)

  Changed paths:
    M llvm/include/llvm/Analysis/TargetTransformInfo.h
    M llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
    M llvm/include/llvm/CodeGen/BasicTTIImpl.h
    M llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h
    M llvm/lib/Analysis/TargetTransformInfo.cpp
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/arith-add-load.ll
    M llvm/test/Transforms/SLPVectorizer/X86/arith-and-const-load.ll
    M llvm/test/Transforms/SLPVectorizer/X86/arith-mul-load.ll
    M llvm/test/Transforms/SLPVectorizer/X86/crash_7zip.ll
    M llvm/test/Transforms/SLPVectorizer/X86/crash_bullet.ll
    M llvm/test/Transforms/SLPVectorizer/X86/crash_bullet3.ll
    M llvm/test/Transforms/SLPVectorizer/X86/crash_sim4b1.ll
    M llvm/test/Transforms/SLPVectorizer/X86/fptosi-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/X86/fptosi.ll
    M llvm/test/Transforms/SLPVectorizer/X86/fptoui.ll
    M llvm/test/Transforms/SLPVectorizer/X86/hadd-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/X86/hadd.ll
    M llvm/test/Transforms/SLPVectorizer/X86/insert-after-bundle.ll
    M llvm/test/Transforms/SLPVectorizer/X86/memory-runtime-checks.ll
    M llvm/test/Transforms/SLPVectorizer/X86/no_alternate_divrem.ll
    M llvm/test/Transforms/SLPVectorizer/X86/odd_store.ll
    M llvm/test/Transforms/SLPVectorizer/X86/pr49933.ll
    M llvm/test/Transforms/SLPVectorizer/X86/remark_not_all_parts.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reorder_phi.ll
    M llvm/test/Transforms/SLPVectorizer/X86/saxpy.ll
    M llvm/test/Transforms/SLPVectorizer/X86/schedule-bundle.ll
    M llvm/test/Transforms/SLPVectorizer/X86/simple-loop.ll
    M llvm/test/Transforms/SLPVectorizer/X86/sitofp-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/X86/sitofp.ll
    M llvm/test/Transforms/SLPVectorizer/X86/uitofp.ll
    M llvm/test/Transforms/SLPVectorizer/X86/vect_copyable_in_binops.ll

  Log Message:
  -----------
  [SLP]Try partial store vectorization if supported by target.

We can try to vectorize number of stores less than MinVecRegSize
/ scalar_value_size, if it is allowed by target. Gives an extra
opportunity for the vectorization.

Fixes PR54985.

Differential Revision: https://reviews.llvm.org/D124284