[all-commits] [llvm/llvm-project] 9a9994: [SLP]Use source vector type as the original vector...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9a99944df068b29b905cd8ba9a2132cc6382b6fb
      https://github.com/llvm/llvm-project/commit/9a99944df068b29b905cd8ba9a2132cc6382b6fb
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2023-09-21 (Thu, 21 Sep 2023)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/AMDGPU/add_sub_sat-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/AMDGPU/add_sub_sat.ll
    M llvm/test/Transforms/SLPVectorizer/AMDGPU/crash_extract_subvector_cost.ll
    M llvm/test/Transforms/SLPVectorizer/AMDGPU/phi-result-use-order.ll
    M llvm/test/Transforms/SLPVectorizer/RISCV/math-function.ll
    M llvm/test/Transforms/SLPVectorizer/X86/alternate-calls-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/X86/alternate-calls.ll
    M llvm/test/Transforms/SLPVectorizer/X86/hadd-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/X86/hadd.ll
    M llvm/test/Transforms/SLPVectorizer/X86/hsub-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/X86/hsub.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reduction-transpose.ll

  Log Message:
  -----------
  [SLP]Use source vector type as the original vector type instead of
artificial for better cost estimation.

Need to use original source vector type, not the one artificially
constructed, based on the number of vectorized scalars. It affect the
cost significantly.