llvm-project

b859a9fc - [mlir][ArmNeon] Update `LowerContractionToSMMLAPattern` to support proper unrolling for k dimension (#88591)

[mlir][ArmNeon] Update `LowerContractionToSMMLAPattern` to support proper unrolling for k dimension (#88591) Fixes correctness issue with current smmla unrolling patterns whereby unrolling K dimension would only include the result from the last tile along K. Updates patterns to feed previous smmla output of the previous tile into the next one along K.