PR #53719: [mhlo] Fix Linalg lowering for DotOp and add a verifier to enforce shape compatibility Imported from GitHub PR https://github.com/tensorflow/tensorflow/pull/53719 Copybara import of the project: -- 1e3cef78ebd63961c08dea54d7bf151574cae8b7 by long.chen <lipracer@gmail.com>: [mhlo] fix a typo and refine code -- 9a623d94ff3d5da0e68a66644b7d120d1bed26e3 by long.chen <lipracer@gmail.com>: [mhlo] add test for this change -- bc4d43719eb3f98b435c82e2d3d948aa9681e5cd by long.chen <lipracer@gmail.com>: [mhlo] remove unreasonable test case and add DopOp verifier -- 0e8efcea9e496723ab626105d469e6b8e729ec77 by long.chen <lipracer@gmail.com>: [mhlo] Remove and modify the Uncompatible type of mhlo.DotOp in test case -- 155a258bcea0ad50c740deee5d302a5da4858684 by long.chen <lipracer@gmail.com>: [mlio]: Fix the judgment problem of hlo to mhlo on the default dot. eg. vector [3] dot matrix [3, 2] => [2] is not default dot COPYBARA_INTEGRATE_REVIEW=https://github.com/tensorflow/tensorflow/pull/53719 from lipracer:master 155a258bcea0ad50c740deee5d302a5da4858684 PiperOrigin-RevId: 422986147 Change-Id: I1c709cfd1fcb39b1fc176d9ba0d5abd2524d4797
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