[all-commits] [llvm/llvm-project] 38b098: [VectorCombine] Limit scalarization known non-pois...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 38b098be6605494cc7308ea9b08f920c4c3fe4ce
      https://github.com/llvm/llvm-project/commit/38b098be6605494cc7308ea9b08f920c4c3fe4ce
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2021-08-05 (Thu, 05 Aug 2021)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VectorCombine.cpp
    M llvm/test/Transforms/VectorCombine/load-insert-store.ll

  Log Message:
  -----------
  [VectorCombine] Limit scalarization known non-poison indices.

We can only trust the range of the index if it is guaranteed
non-poison.

Fixes PR50949.

Reviewed By: lebedev.ri

Differential Revision: https://reviews.llvm.org/D107364