llvm-project

a0dba475 - [SLP]Fix erasing scalars used by narrowed reduction chain instructions

[SLP]Fix erasing scalars used by narrowed reduction chain instructions Narrowed reduction chain instructions may use non-root tree scalars; clear such uses before erasing the scalars. Fixes https://github.com/llvm/llvm-project/pull/216062#issuecomment-5381262165 Reviewers: Pull Request: https://github.com/llvm/llvm-project/pull/218174