)]}'
{
  "commit": "8c41e5177f6a8cc33200bb91c8b01dee72bf0942",
  "tree": "082599d3d5713f9dc6a32f1c757ae9de1c986594",
  "parents": [
    "3a185448429483a55c16a7147aca6f8a20adebae"
  ],
  "author": {
    "name": "Jakub Kuderski",
    "email": "kubak@google.com",
    "time": "Tue May 30 11:34:46 2023 -0400"
  },
  "committer": {
    "name": "GitHub",
    "email": "noreply@github.com",
    "time": "Tue May 30 11:34:46 2023 -0400"
  },
  "message": "[StableHLO][CHLO] Port CHLO decomposition patterns (#13838)\n\nThese are ported from the mlir-hlo project. For more context, see the\r\ninitial import: https://github.com/openxla/iree/pull/12957.\r\n\r\nThe biggest difference it the removal of most FileCheck CHECK lines in\r\ntests. MHLO hardcoded thousands lines of exact decomposition sequences\r\nthat fell apart after due to different canonicalizations and folds.\r\nWithout a script to regenerate these CHECKs, these tests were not\r\nmaintainable and I decided to drop them. Now we only check that the\r\ndialect conversion succeeded.\r\n\r\nOther notable differences to the MHLO implementation:\r\n-  Ported some utility functions and tablegen defs.\r\n-  New `chlo.tan` lowering, since StableHLO does not provide a tan op.\r\n\r\nIssue: https://github.com/openxla/iree/issues/13803",
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