Tobias Gysi 31f888ea9a [mlir][linalg][python] Add attribute support to the OpDSL.
Extend the OpDSL with index attributes. After tensors and scalars, index attributes are the third operand type. An index attribute represents a compile-time constant that is limited to index expressions. A use cases are the strides and dilations defined by convolution and pooling operations.

The patch only updates the OpDSL. The C++ yaml codegen is updated by a followup patch.

Differential Revision: https://reviews.llvm.org/D104711
2021-06-24 09:40:32 +00:00
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