[all-commits] [llvm/llvm-project] e3bfb6: [VPlan] Make sure recurrence splice is not inserte...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e3bfb6a14646fd3b344c491a5f46aaebd43090a7
      https://github.com/llvm/llvm-project/commit/e3bfb6a14646fd3b344c491a5f46aaebd43090a7
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2021-11-08 (Mon, 08 Nov 2021)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/test/Transforms/LoopVectorize/induction.ll

  Log Message:
  -----------
  [VPlan] Make sure recurrence splice is not inserted between phis.

All phi-like recipes should be at the beginning of a VPBasicBlock with
no other recipes in between. Ensure that the recurrence-splicing recipe
is not added between phi-like recipes, but after them.

Reviewed By: Ayal

Differential Revision: https://reviews.llvm.org/D111301