[PATCH] D127531: [SLP]Improve analysis of same/alternate code ops and scheduling.

[Alexey Bataev via Phabricator via llvm-commits]

ABataev created this revision.
ABataev added reviewers: RKSimon, vdmitrie.
Herald added subscribers: vporpo, dmgreen, hiraditya.
Herald added a project: All.
ABataev requested review of this revision.
Herald added a project: LLVM.

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.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D127531

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/X86/simplebb.ll

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