pytorch

72274e2a - [TensorExpr] Don't rely on exceptions in Vectorizer. (#64609)

[TensorExpr] Don't rely on exceptions in Vectorizer. (#64609) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/64609 We've been using exceptions to indicate whether vectorization succeeded or not, but that posed some problems with (e.g. we spent too much time symbolicazing these exceptions). This change converts this mechanism to a standard error return code. Test Plan: Imported from OSS Reviewed By: bertmaher Differential Revision: D30795342 Pulled By: ZolotukhinM fbshipit-source-id: 16e38b37bcdd78ceb438ac814cc377f35b058e17