[llvm] [SDAG][ComputeNumSignBits] Look through undefined high bits for EXTRACT_VECTOR_ELT in a BUILD_VECTOR (PR #218099)

David Green via llvm-commits llvm-commits at lists.llvm.org
Wed Sep 9 02:57:32 PDT 2026 

https://github.com/davemgreen approved this pull request.

Thanks. LGTM

https://github.com/llvm/llvm-project/pull/218099

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