[all-commits] [llvm/llvm-project] b265ca: [NFC] Bail out for scalable vectors before calling...

[Christopher Tetreault via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: b265cad93e70815cfad5eaaacfb095276a9a4213
      https://github.com/llvm/llvm-project/commit/b265cad93e70815cfad5eaaacfb095276a9a4213
  Author: Christopher Tetreault <ctetreau at quicinc.com>
  Date:   2020-06-16 (Tue, 16 Jun 2020)

  Changed paths:
    M llvm/lib/Analysis/ConstantFolding.cpp

  Log Message:
  -----------
  [NFC] Bail out for scalable vectors before calling getNumElements

Summary:
Move the bail out logic to before constructing the Result and Lane
vectors. This is both potentially faster, and avoids calling
getNumElements on a potentially scalable vector

Reviewers: efriedma, sunfish, chandlerc, c-rhodes, fpetrogalli

Reviewed By: fpetrogalli

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D81619