llvm-project

418a9872 - [SLP]Do not use node, if it is a subvector or buildvector node

[SLP]Do not use node, if it is a subvector or buildvector node If the buildvector has some matches with another node, which is a subvector of another buildvector node, need to check for this and cancel matching to avoid incorrect ordering of the nodes. Fixes #128770