[TensorExpr] Fix a bug in the IR Simplifier that could introduce a division by zero (#38055)
Summary:
In the IR Simplifier when doing partial factorization of Round+Mod patterns we divide by the lower number, which could be zero. Add in a quick check against zero avoid the crash.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/38055
Differential Revision: D21478486
Pulled By: nickgg
fbshipit-source-id: c5083f672e91662b7d1271d817cade7fa6c39967
