[all-commits] [llvm/llvm-project] f12fb9: [SLP]Generalize cost model.

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f12fb91188b836e1bddb36bacbbdb8e4ab70b9b6
      https://github.com/llvm/llvm-project/commit/f12fb91188b836e1bddb36bacbbdb8e4ab70b9b6
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2022-10-18 (Tue, 18 Oct 2022)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/AArch64/horizontal.ll
    M llvm/test/Transforms/SLPVectorizer/AArch64/vectorizable-selects-min-max.ll
    M llvm/test/Transforms/SLPVectorizer/X86/PR32086.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reduction-same-vals.ll
    M llvm/test/Transforms/SLPVectorizer/X86/scalarization-overhead.ll
    M llvm/test/Transforms/SLPVectorizer/X86/vectorize-reorder-reuse.ll

  Log Message:
  -----------
  [SLP]Generalize cost model.

Generalized the cost model estimation. Improved cost model estimation
for repeated scalars (no need to count their cost anymore), improved
  cost model for extractelement instructions.

cpu2017
   511.povray_r             0.57
   520.omnetpp_r           -0.98
   521.wrf_r               -0.01
   525.x264_r               3.59 <+
   526.blender_r           -0.12
   531.deepsjeng_r         -0.07
   538.imagick_r           -1.42
Geometric mean:  0.21

Differential Revision: https://reviews.llvm.org/D115757