River Riddle 6b476e2426 [mlir] Add support for parsing optional Attribute values. ...

This adds a `parseOptionalAttribute` method to the OpAsmParser that allows for parsing optional attributes, in a similar fashion to how optional types are parsed. This also enables the use of attribute values as the first element of an assembly format optional group.

Differential Revision: https://reviews.llvm.org/D83712

2020-07-14 13:14:59 -07:00

67 KiB

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