[Mlir-commits] [mlir] [mlir] Implement a memory-space cast bubbling-down transform (PR #159454)

[Mehdi Amini]

joker-eph wrote:

> Many of my previous comments about the generality or lack thereof of this pass were based on me missing the fact that `memref.memory_space_cast`'s answer to "is promotable" is "does this cast to the null/default/generic memory space" and not what I thought it was, which was "yes".
> 
> With that context taken into account, this pass makes a lot of sense and is approved

That means the doc needs to be improved on all this (both the pass description and the op/attrs likely)

https://github.com/llvm/llvm-project/pull/159454