)]}'
{
  "commit": "d997c83b103ed1f3af09ed65e1cbf89fbc6d9451",
  "tree": "1e83b344815f84e65f9b95bba0beeb36df8d6913",
  "parents": [
    "d78c1c4cd3cee1f794dd6bd61b3485f8cd28ec42"
  ],
  "author": {
    "name": "Jaebaek Seo",
    "email": "jaebaek@google.com",
    "time": "Tue Oct 26 17:20:58 2021 -0400"
  },
  "committer": {
    "name": "GitHub",
    "email": "noreply@github.com",
    "time": "Tue Oct 26 17:20:58 2021 -0400"
  },
  "message": "Add spirv-opt pass to replace descriptor accesses based on variable indices (#4574)\n\nThis commit adds a spirv-opt pass to replace accesses to\r\ndescriptor array based on variable indices with constant\r\nelements.\r\n\r\nBefore:\r\n```\r\n%descriptor \u003d OpVariable %_ptr_array_Image Uniform\r\n...\r\n%ac \u003d OpAccessChain %_ptr_Image %descriptor %variable_index\r\n(some image instructions using %ac)\r\n```\r\nAfter:\r\n```\r\n%descriptor \u003d OpVariable %_ptr_array_Image Uniform\r\n...\r\nOpSwitch %variable_index 0 %case0 1 %case1 ...\r\n...\r\n%case0 \u003d OpLabel\r\n%ac \u003d OpAccessChain %_ptr_Image %descriptor %uint_0\r\n...\r\n%case1 \u003d OpLabel\r\n%ac \u003d OpAccessChain %_ptr_Image %descriptor %uint_1\r\n...\r\n(use OpPhi for value with concrete type)\r\n```",
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