Stephan Herhut c44e08351d Fix mhlo to lmhlo conversion for ReduceOp. ... The existing conversion no longer worked and was not save to undo. Furthermore, the pattern for mhlo.return had been removed. Also adds some tests to ensure this does not degrade again. PiperOrigin-RevId: 321542071		2020-07-30 22:34:19 +00:00
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mhlo	Fix mhlo to lmhlo conversion for ReduceOp.	2020-07-30 22:34:19 +00:00