llvm-project

f6e01b9e - [SLP]Do not trunc bv nodes, if the user is vectorized an requires wider type.

[SLP]Do not trunc bv nodes, if the user is vectorized an requires wider type. If at least a single user of the gathered trunc'ed instruction is vectorized and requires wider type, than the trunc node, such gathers/buildvectors should not be optimized for better bitwidth.