[all-commits] [llvm/llvm-project] a4914d: [SLP] do not traverse constant uses

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  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a4914dc1f2b4a49cf488d3be7a01fe7238c889d8
      https://github.com/llvm/llvm-project/commit/a4914dc1f2b4a49cf488d3be7a01fe7238c889d8
  Author: Anton Rapetov <willir29 at gmail.com>
  Date:   2021-01-22 (Fri, 22 Jan 2021)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp

  Log Message:
  -----------
  [SLP] do not traverse constant uses

Walking the use list of a Constant (particularly, ConstantData)
is not scalable, since a given constant may be used by many
instructinos in many functions in many modules.

Differential Revision: https://reviews.llvm.org/D94713