[all-commits] [llvm/llvm-project] dad644: [SLP]Improve analysis of same/alternate code ops a...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dad64448c66975054d3d968232652a56eb93b451
      https://github.com/llvm/llvm-project/commit/dad64448c66975054d3d968232652a56eb93b451
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2022-10-27 (Thu, 27 Oct 2022)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/simplebb.ll
    M llvm/test/Transforms/SLPVectorizer/X86/sin-sqrt.ll

  Log Message:
  -----------
  [SLP]Improve analysis of same/alternate code ops and scheduling.

Should improve compile time for analysis and vectorization.

Metric: SLP.NumVectorInstructions

Program                                                                                       SLP.NumVectorInstructions
test-suite :: External/SPEC/CINT2017speed/623.xalancbmk_s/623.xalancbmk_s.test  6380.00                   6378.00 -0.0%
test-suite :: External/SPEC/CINT2017rate/523.xalancbmk_r/523.xalancbmk_r.test   6380.00                   6378.00 -0.0%
test-suite :: External/SPEC/CINT2006/483.xalancbmk/483.xalancbmk.test           2023.00                   2022.00 -0.0%
test-suite :: External/SPEC/CINT2006/471.omnetpp/471.omnetpp.test               148.00                    146.00 -1.4%

Generated more vector instructions.

Differential Revision: https://reviews.llvm.org/D127531