[all-commits] [llvm/llvm-project] f6e4e7: Reapply "[LV] Handle chained selects/blends when c...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f6e4e71fcdbff98cb060f87695c75f00b43bf918
      https://github.com/llvm/llvm-project/commit/f6e4e71fcdbff98cb060f87695c75f00b43bf918
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2026-05-25 (Mon, 25 May 2026)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/lib/Transforms/Vectorize/VPlan.h
    A llvm/test/Transforms/LoopVectorize/select-cmp-blend-chain.ll

  Log Message:
  -----------
  Reapply "[LV] Handle chained selects/blends when creating new rdx cha… (#199559)

This reverts commit ab1745439c7019d0753afc616c5fc5aef7b82fb6 & reapplies
#199443.

Recommit with additional additional fix to handle other select-like
recipes including VPWidenRecipe and VPReplicateRecipe.

Original message:
Make sure we recursively clone chains of selects/blends when re-creating
a reduction chain with new types.

Fixes https://github.com/llvm/llvm-project/issues/199406.



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