Generalize scaled MatMul fusion #489
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Fuse all patterns of the form `Scale(MatMul(Scale(X), Scale(Y)))` where `Scale(X)` is an optional `Mul` or `Div` operation where one of the arguments is a scalar. Previously only two specific cases of this pattern were handled. Fixes #488
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Fuse all patterns of the form
Scale(MatMul(Scale(X), Scale(Y)))whereScale(X)is an optionalMulorDivoperation where one of the arguments isa scalar. Previously only two specific cases of this pattern were handled.
Fixes #488