)]}'
{
  "log": [
    {
      "commit": "61ba8d2421a98e9b16510be4f9af7ca7bc4c9055",
      "tree": "9a79331dd5ebd46ed46f853b24ab072f43debf28",
      "parents": [
        "eb369ce3669be74dd89b21f8b3ab31ace4a47086"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Tue Aug 07 09:55:57 2018 +0100"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Mon Aug 20 17:18:31 2018 +0100"
      },
      "message": "Fix longstanding bug around implicit NPEs and GC, version 2.\n\nThe TODO has been there since M (so forever :)):\nhttps://android-review.googlesource.com/c/platform/art/+/122794/13//COMMIT_MSG#13\n\nWe hardly see the issue in our tests as we need to have:\n1) A GC happening while creating the NPE object.\n2) ParallelMoves between the NullCheck and implicit null check operation\n   that moves references.\n\nThe CL piggy backs on the \"IsEmittedAtUseSite\" flag, to set implicit\nnull checks with it. The liveness analysis then special cases implicit\nnull checks to record environment uses at the location of the actual\ninstruction that will do the implicit null check.\n\nTest: test.py --gcstress\nTest: run-libcore-tests --gcstress\nbug: 111545159\nChange-Id: I3ecea4fe0d7e483e93db83281ca10db47da228c5\n"
    },
    {
      "commit": "d6750532bae8dbb072e78e410c9a1f14aa071a5b",
      "tree": "bab48e4844d3ed54924b95f0bd1c51ccbbb464b6",
      "parents": [
        "0e3a330f4a545a6a2d352bd4a803c8387f54e76b"
      ],
      "author": {
        "name": "Artem Serov",
        "email": "artem.serov@linaro.org",
        "time": "Wed May 30 20:07:43 2018 +0100"
      },
      "committer": {
        "name": "Artem Serov",
        "email": "artem.serov@linaro.org",
        "time": "Fri Jun 15 17:21:02 2018 +0100"
      },
      "message": "ART: Ignore unneeded environment uses.\n\nSome of the environment uses of primitive-typed values are\nnot really needed in non-debuggable/non-OSR methods. Ignoring\nthose uses during liveness analysis significantly reduces the\nsize of stack maps in the oat file.\n\nCode reduction on arm64:\nboot-framework.oat: -1.8%\nboot.oat:           -1.4%\n\nTest: 466-get-live-vreg, 564-checker-condition-liveness.\nTest: 639-checker-code-sinking.\nTest: angler boots to GUI.\nTest: test-art-host, test-art-target\n\nChange-Id: I91dcb6d0a8ab86f56c7b243bf9b100f69bcd5979\n"
    },
    {
      "commit": "40e4ba2d2d433088f9c09a4a39c3b6d81dc3352b",
      "tree": "e23b480cb0e408b5eee6354e74611d4b1aa44d19",
      "parents": [
        "f9f3c5b0ebacbfed59af9c5c81fe9752e6b1258c"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Wed Mar 02 13:25:57 2016 +0000"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Wed Mar 02 13:25:57 2016 +0000"
      },
      "message": "Fix one more Checker test after switch to Jack\n\nBug: 25635944\nChange-Id: I61780b3505104f2b8a62bc2dee889b8cd444c696\n"
    },
    {
      "commit": "2f10a5fb8c236a6786928f0323bd312c3ee9a4cc",
      "tree": "0dc51717b1f5d9b2c20898c5283467d4feb220e2",
      "parents": [
        "a20748aceb63396c5e09366968bbc71308f745df"
      ],
      "author": {
        "name": "Mark P Mendell",
        "email": "mark.p.mendell@intel.com",
        "time": "Mon Jan 25 14:47:50 2016 +0000"
      },
      "committer": {
        "name": "Mark Mendell",
        "email": "mark.p.mendell@intel.com",
        "time": "Thu Feb 04 12:59:22 2016 -0500"
      },
      "message": "Revert \"Revert \"X86: Use the constant area for more operations.\"\"\n\nThis reverts commit cf8d1bb97e193e02b430d707d3b669565fababb4.\n\nHandle the case of an intrinsic where CurrentMethod is still an input.\nThis will be the case when there are unresolved classes in the\nhierarchy.\n\nAdd a test case to confirm that we don\u0027t crash when handling Math.abs,\nwhich wants to add a pointer to the constant area for the bitmask to be\nused to remove the sign bit.\n\nEnhance 565-checker-condition-liveness to check for the case of deeply\nnested EmitAtUseSite chains.\n\nChange-Id: I022e8b96a32f5bf464331d0c318c56b9d0ac3c9a\n"
    },
    {
      "commit": "b3e773eea39a156b3eacf915ba84e3af1a5c14fa",
      "tree": "6c0d3a748d7b445a0d776ed306c7add43a0e1dd3",
      "parents": [
        "05aeb408f292d8d94af1646a94bc69faf77f0b46"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Tue Jan 26 11:28:37 2016 +0000"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Thu Jan 28 15:48:00 2016 +0000"
      },
      "message": "ART: Implement support for instruction inlining\n\nOptimizing HIR contains \u0027non-materialized\u0027 instructions which are\nemitted at their use sites rather than their defining sites. This\nwas not properly handled by the liveness analysis which did not\nadjust the use positions of the inputs of such instructions.\nDespite the analysis being incorrect, the current use cases never\nproduce incorrect code.\n\nThis patch generalizes the concept of inlined instructions and\nupdates liveness analysis to set the compute use positions correctly.\n\nChange-Id: Id703c154b20ab861241ae5c715a150385d3ff621\n"
    }
  ]
}