[all-commits] [llvm/llvm-project] 4a0481: [LV] Check for users of truncated IVs, add more de...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4a0481e981b653153fd07db9cbee1197ecd388d3
      https://github.com/llvm/llvm-project/commit/4a0481e981b653153fd07db9cbee1197ecd388d3
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2022-03-14 (Mon, 14 Mar 2022)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/test/Transforms/LoopVectorize/instruction-only-used-outside-of-loop.ll

  Log Message:
  -----------
  [LV] Check for users of truncated IVs, add more detailed comment.

Add missing outside user check for truncated IVs. Also hoist the code in
the helper with additional explanations.

Fixes #54370.