llvm-project

e4733424 - [mlir][Vector] Improve vector.transferx store-to-load-forwarding (#171840)

[mlir][Vector] Improve vector.transferx store-to-load-forwarding (#171840) This patch changes the transfer_write -> transfer_read load store forwarding canonicalization pattern to work based on permutation maps and less on adhoc logic. The old logic couldn't canonicalize a simple unit dim broadcast through transfer_write/transfer_read which is added as a test in this patch. This patch also details what would be needed to support cases which are not yet implemented better.