[TensorExpr] Nuke FunctionCall. (#54998)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/54998
The only reason why we couldn't use Load instead of FunctionCall was
DepTracker. Now this is gone and we finally could replace FunctionCall
with Load.
Test Plan: Imported from OSS
Reviewed By: bertmaher, pbelevich
Differential Revision: D27446412
Pulled By: ZolotukhinM
fbshipit-source-id: 9183ae5541c2618abc9026b1dc4c4c9fab085d47
Author
Mikhail Zolotukhin
