[Mlir-commits] [mlir] [mlir][Vector] Promote buffers accessed via dynamic subviews and memref.copy (PR #217793)

[Andrzej Warzyński]

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@@ -36,11 +41,24 @@ using namespace mlir::vector;
 //  Utilities
 //===----------------------------------------------------------------------===//
 
-/// Returns whether `xferOp` accesses exactly the whole contents of `slot`, so
-/// it can act as a plain whole-buffer load/store during Mem2Reg.
+/// Returns whether `xferOp` can be promoted to a load/store of `slot`'s vector
+/// value. This requires that the transfer's sole use of the slot is as its
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banach-space wrote:

Are `xferOp`s ever promoted to load/store? From a quick glance, `xferOp`s are simply deleted and replaced with other Ops (e.g. `vector.broadcast`), no?

https://github.com/llvm/llvm-project/pull/217793