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5 Commits

Author SHA1 Message Date
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
River Riddle
24aa4efffd [mlir] Print 0 element DenseElementsAttr as dense<> to fix parser bugs with expected shape. 
Depending on where the 0 dimension is within the shape, the parser will currently reject .mlir generated by the printer.

Differential Revision: https://reviews.llvm.org/D83445
 2020-07-08 18:44:23 -07:00
River Riddle
9db53a1827 [mlir][NFC] Remove usernames and google bug numbers from TODO comments. 
These were largely leftover from when MLIR was a google project, and don't really follow LLVM guidelines.
 2020-07-07 01:40:52 -07:00
Rahul Joshi
ee394e6842 [MLIR] Add variadic isa<> for Type, Value, and Attribute 
- Also adopt variadic llvm::isa<> in more places.
- Fixes https://bugs.llvm.org/show_bug.cgi?id=46445

Differential Revision: https://reviews.llvm.org/D82769
 2020-06-29 15:04:48 -07:00
River Riddle
51114686d5 [mlir][NFC] Split Parser into several different files. 
Summary: At this point Parser has grown to be over 5000 lines and can be very difficult to navigate/update/etc. This commit splits Parser.cpp into several sub files focused on parsing specific types of entities; e.g., Attributes, Types, etc.

Differential Revision: https://reviews.llvm.org/D81299
 2020-06-10 17:17:13 -07:00