[aievec] Don't add alignment ops if already aligned

nod-ai / iree-amd-aie

IREE plugin repository for the AMD AIE accelerator

Apache License 2.0

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[aievec] Don't add alignment ops if already aligned #884

Closed newling closed 2 weeks ago

newling commented 2 weeks ago

I've checked that the IR of a matmul (32x32x64 bf16) is now unchanged by this alignment pass. This this PR, there were aievec.ext ops remaining in the IR after this pass for matmuls. So I'm confident this resolves https://github.com/nod-ai/iree-amd-aie/issues/882