)]}'
{
  "commit": "27c707d19a2fc9c5043c8ae1ba1fd9b92ea799c8",
  "tree": "a0dd1aad598948c071e006358b9a4e817cbc5640",
  "parents": [
    "2f8525c57cb134afb43143d2a3db83088a42d387"
  ],
  "author": {
    "name": "Nikita Popov",
    "email": "npopov@redhat.com",
    "time": "Mon Jun 29 16:41:09 2026 +0200"
  },
  "committer": {
    "name": "GitHub",
    "email": "noreply@github.com",
    "time": "Mon Jun 29 16:41:09 2026 +0200"
  },
  "message": "[X86] Don\u0027t form pmaddwd for shift by 15 (#206473)\n\nI believe the transform is not correct for shifts by 15, because the\nmultiplier gets sign extended, turning a multiply by 2^15 into one by\n-2^15.",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "0628aa6baaa7e983bbdb16107e0fe8bbacc37d6b",
      "old_mode": 33188,
      "old_path": "llvm/lib/Target/X86/X86ISelLowering.cpp",
      "new_id": "7a382490c5027a96af8db1a679a40e5ff7c425ed",
      "new_mode": 33188,
      "new_path": "llvm/lib/Target/X86/X86ISelLowering.cpp"
    },
    {
      "type": "modify",
      "old_id": "4ca0b05dbe92bceaec224df6b9f11d9bb2daeded",
      "old_mode": 33188,
      "old_path": "llvm/test/CodeGen/X86/madd.ll",
      "new_id": "4ee77c0bdf70c7ddf24dcb89650bf75b42b5abf5",
      "new_mode": 33188,
      "new_path": "llvm/test/CodeGen/X86/madd.ll"
    }
  ]
}