Alex Zinenko 70e99f387a [mlir] Make ViewLikeInterface Range work with attributes ...

While most of methods in ViewLikeInterface accept an `OpFoldResult` for
the offset/size/stride that may be static, represented as `Attribute`,
or dynamic, represented as `Value`, the `Range` abstraction only
accepted `Values`. This can often lead to known-constant
offset/size/strides being materialized into constant operations and
hinder further constant propagation without explicitly running the
constant folding pass. This often leads to a more complicated than
necessary addressing code being emitted. Switch `Range` to use
`OpFoldResult`. Code that uses `Range` currently keeps materializing the
constants to minimize the effect of this change on the IR. Further
commits will make use of this.

Reviewed By: nicolasvasilache, mravishankar

Differential Revision: https://reviews.llvm.org/D129633

2022-07-27 08:52:13 +00:00

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