This is part of a larger refactoring the better congregates the builtin structures under the BuiltinDialect. This also removes the problematic "standard" naming that clashes with the "standard" dialect, which is not defined within IR/. A temporary forward is placed in StandardTypes.h to allow time for downstream users to replaced references.
Differential Revision: https://reviews.llvm.org/D92435
This is the first bit from D73546. Primarily setting up the corresponding test. Will add more pretty printers in a separate revision.
Reviewed By: dblaikie
Differential Revision: https://reviews.llvm.org/D86937