[all-commits] [llvm/llvm-project] e0844f: [SBVec] Implement topDown/botUp vectorizers in unison

[Anshil Gandhi via All-commits]

  Branch: refs/heads/users/gandhi56/sandbox-vectorizer/topdown-vec
  Home:   https://github.com/llvm/llvm-project
  Commit: e0844ff9c747dab958e2d702092555f63fd450f9
      https://github.com/llvm/llvm-project/commit/e0844ff9c747dab958e2d702092555f63fd450f9
  Author: Anshil Gandhi <gandhi21299 at gmail.com>
  Date:   2026-06-24 (Wed, 24 Jun 2026)

  Changed paths:
    R llvm/include/llvm/Transforms/Vectorize/SandboxVectorizer/Passes/BottomUpVec.h
    A llvm/include/llvm/Transforms/Vectorize/SandboxVectorizer/Passes/BundleVecPass.h
    M llvm/include/llvm/Transforms/Vectorize/SandboxVectorizer/VecUtils.h
    M llvm/lib/Transforms/Vectorize/CMakeLists.txt
    R llvm/lib/Transforms/Vectorize/SandboxVectorizer/Passes/BottomUpVec.cpp
    A llvm/lib/Transforms/Vectorize/SandboxVectorizer/Passes/BundleVecPass.cpp
    M llvm/lib/Transforms/Vectorize/SandboxVectorizer/Passes/PassRegistry.def
    M llvm/lib/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerPassBuilder.cpp
    M llvm/test/Transforms/SandboxVectorizer/external_uses.ll
    M llvm/test/Transforms/SandboxVectorizer/pack.ll
    A llvm/test/Transforms/SandboxVectorizer/topdown_vec.ll
    M llvm/utils/gn/secondary/llvm/lib/Transforms/Vectorize/BUILD.gn

  Log Message:
  -----------
  [SBVec] Implement topDown/botUp vectorizers in unison

This patch introduces the `top-down-vec` pass to the Sandbox Vectorizer,
adding the ability to traverse use-def chains top-down to discover and
collect vectorization opportunities. Furthermore, this patch unifies
the two vectorizers into a single implementation to minimize code
duplication.



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