[llvm] [SandboxVectorizer] Fix out-of-bounds SeedBundle access (PR #215976)

[Anshil Gandhi via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
+; RUN: opt -passes=sandbox-vectorizer -sbvec-passes="seed-collection(enable-diff-types)<tr-save,bundle-vec(bottom-up),load-store-vec,tr-accept-or-revert>" -sbvec-collect-seeds=stores,loads -mtriple=amdgpu-amd-amdhsa %s -S | FileCheck %s
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gandhi56 wrote:

Implemented.

https://github.com/llvm/llvm-project/pull/215976