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Summary: LLVM matrix intrinsics recently introduced an option to support row-major mode. This matches the MLIR vector model, this revision switches to row-major. A corner case related to degenerate sizes was also fixed upstream. This revision removes the guard against this corner case. A bug was uncovered on the output vector construction which this revision also fixes. Lastly, this has been tested on a small size and benchmarked independently: no visible performance regression is observed. In the future, when matrix intrinsics support per op attribute, we can more aggressively translate to that and avoid inserting MLIR-level transposes. This has been tested independently to work on small matrices. Differential Revision: https://reviews.llvm.org/D77761
Multi-Level Intermediate Representation
See https://mlir.llvm.org/ for more information.