tree 9c58adfb664281d761e5d1c0c22a49e3e117547c
parent a7cec7843ca9f03733b453a4a22d793d215ab208
author Alan Baker <alanbaker@google.com> 1520000390 -0500
committer Alan Baker <alanbaker@google.com> 1520018888 -0500

Handles more cases of redundant selects

* Handles OpConstantNull and vector types
 * vector selects (except against a null) are converted to vector
 shuffles
* Added tests