Robert Suderman e1651b6090 Canonicalize multidimensional iota to use broadcast ... There is no reason to have a multidimensional iota for codegen. This should be canonicalized to a single dimensional iota followed by a broadcast. Changing iota to on a single dimension and a broadcast substantially simplifies implementing iota operations. PiperOrigin-RevId: 320095470		2020-07-30 22:32:54 +00:00
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mlir-hlo	Canonicalize multidimensional iota to use broadcast	2020-07-30 22:32:54 +00:00