[all-commits] [llvm/llvm-project] c27a96: [SCEV] Remove LCSSA special case in getSCEVAtScope...

Nikita Popov via All-commits all-commits at lists.llvm.org
Thu Apr 27 03:53:23 PDT 2023


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c27a96607cd71b0d9b57b108f2a7f90c5a4aa85d
      https://github.com/llvm/llvm-project/commit/c27a96607cd71b0d9b57b108f2a7f90c5a4aa85d
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2023-04-27 (Thu, 27 Apr 2023)

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

  Log Message:
  -----------
  [SCEV] Remove LCSSA special case in getSCEVAtScope() (NFCI)

We no longer try to preserve LCSSA form in SCEV representation:
Nowadays, we look through LCSSA PHI nodes directly during SCEV
construction. As such, this separate special case in
getSCEVAtScope() is no longer needed.




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