)]}'
{
  "log": [
    {
      "commit": "0a51605ddd81635135463dab08b6f7c21b58ffb0",
      "tree": "820f338333010f4d6e4b543ffea47e9ff7d2dd3f",
      "parents": [
        "e2727154f25e0db9a5bb92af494d8e47b181dfcf"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Mon Oct 14 13:00:44 2019 +0000"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Mon Oct 14 13:00:44 2019 +0000"
      },
      "message": "Revert \"Make compiler/optimizing/ symbols hidden.\"\n\nThis reverts commit e2727154f25e0db9a5bb92af494d8e47b181dfcf.\n\nReason for revert: Breaks ASAN tests (ODR violation).\nBug: 142365358\n\nChange-Id: I38103d74a1297256c81d90872b6902ff1e9ef7a4\n"
    },
    {
      "commit": "e2727154f25e0db9a5bb92af494d8e47b181dfcf",
      "tree": "0ddc6eec3ad9508d7eb1f2b941786dd0ed7d2cd8",
      "parents": [
        "c78860b91ae07eed92f86876e7a03132adea6fcd"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Oct 10 10:46:42 2019 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Mon Oct 14 08:22:00 2019 +0000"
      },
      "message": "Make compiler/optimizing/ symbols hidden.\n\nMake symbols in compiler/optimizing hidden by a namespace\nattribute. The unit intrinsic_objects.{h,cc} is excluded as\nit is needed by dex2oat.\n\nAs the symbols are no longer exported, gtests are now linked\nwith the static version of the libartd-compiler library.\n\nlibart-compiler.so size:\n  - before:\n    arm: 2396152\n    arm64: 3345280\n  - after:\n    arm: 2016176 (-371KiB, -15.9%)\n    arm64: 2874480 (-460KiB, -14.1%)\n\nTest: m test-art-host-gtest\nTest: testrunner.py --host --optimizing --jit\nBug: 142365358\nChange-Id: I1fb04a33351f53f00b389a1642e81a68e40912a8\n"
    },
    {
      "commit": "2477320a8d9de58ede68e2645ea53c10f71dcd57",
      "tree": "f428a6856e10d8ebaff0bb2da544a8d41c35ab77",
      "parents": [
        "5a87e19e4bf1b6719c2aad3effde1b38d2c3085c"
      ],
      "author": {
        "name": "Aart Bik",
        "email": "ajcbik@google.com",
        "time": "Thu Apr 26 10:28:51 2018 -0700"
      },
      "committer": {
        "name": "Aart Bik",
        "email": "ajcbik@google.com",
        "time": "Thu Apr 26 10:28:51 2018 -0700"
      },
      "message": "Step 1 of 2: conditional passes.\n\nRationale:\nThe change adds a return value to Run() in preparation of\nconditional pass execution. The value returned by Run() is\nbest effort, returning false means no optimizations were\napplied or no useful information was obtained. I filled\nin a few cases with more exact information, others\nstill just return true. In addition, it integrates inlining\nas a regular pass, avoiding the ugly \"break\" into\noptimizations1 and optimziations2.\n\nBug: b/78171933, b/74026074\n\nTest: test-art-host,target\nChange-Id: Ia39c5c83c01dcd79841e4b623917d61c754cf075\n"
    },
    {
      "commit": "4c563caaf860f1ed956854514e751e2d0f075c9a",
      "tree": "f18359e3c3eda62b1764db37a8a04e9e7161b238",
      "parents": [
        "3e7110755fdbcd754aac32aa86d5d54b2476c9b4"
      ],
      "author": {
        "name": "Aart Bik",
        "email": "ajcbik@google.com",
        "time": "Wed Jan 24 16:34:25 2018 -0800"
      },
      "committer": {
        "name": "Aart Bik",
        "email": "ajcbik@google.com",
        "time": "Fri Feb 02 13:29:50 2018 -0800"
      },
      "message": "Exploit non-null control dependence.\n\nRationale:\nUsing the fact that object is non-null in a taken branch\nof a object !\u003d null test enables the removal of null checks\n(as well as some other related optimizations). This CL exposes\nmany more cases than were detected by the builder alone.\nThis is in particular useful for Kotlin programs, where the\nnon-nullable library calls (together with the new always-throws\ndetection) introduce many dominating object !\u003d null tests!\n\nTest: test-art-host test-art-target\n\nBug: b/63711884\n\nChange-Id: I8df8a750a4184b11f8758e978f09c5181d93ea25\n"
    },
    {
      "commit": "a8b8e9b12a9740d71cff2fa65d47825b74f72c37",
      "tree": "301275759cf145711175992a503fcc7d710c2d2f",
      "parents": [
        "6d4c343ee5db18f039aeb3e07ff8d3c1fd37c3a0"
      ],
      "author": {
        "name": "Aart Bik",
        "email": "ajcbik@google.com",
        "time": "Tue Jan 09 11:01:02 2018 -0800"
      },
      "committer": {
        "name": "Aart Bik",
        "email": "ajcbik@google.com",
        "time": "Tue Jan 16 09:44:28 2018 -0800"
      },
      "message": "Improve code sinking near \"always throwing\" method calls\n\nRationale:\nWith simple dex bytecode analysis, the inliner marks methods\nthat always throw to help subsequent code sinking. This reduces\noverhead of non-nullable enforcing calls found in e.g the Kotlin\nruntime library (1%-2% improvement on tree microbenchmark, about\n5% on Denis\u0027 benchmark).\n\nTest: test-art-host test-art-target\n\nChange-Id: I45348f049721476828eb5443738021720d2857c0\n"
    },
    {
      "commit": "009d166842195711eca4d5768c59a8f7404e6875",
      "tree": "297cbed4084e905767bd979d54697693fd0c7262",
      "parents": [
        "52d52f5dc3e005829926e68c656fb27e8b008ae9"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Tue Oct 10 13:21:15 2017 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Oct 12 10:43:29 2017 +0100"
      },
      "message": "Use ScopedArenaAllocator in BCE, DCE, LSE, ...\n\n... ReferenceTypePropagation and GraphChecker.\n\nDefine and use a new allocation kind for LoadStoreAnalysis.\n\nMemory needed to compile the two most expensive methods for\naosp_angler-userdebug boot image:\n  BatteryStats.dumpCheckinLocked() : 19.7MiB -\u003e 19.6MiB (-79KiB)\n  BatteryStats.dumpLocked(): 39.4MiB -\u003e 39.3MiB (-120KiB)\n\nTest: m test-art-host-gtest\nTest: testrunner.py --host --optimizing\nBug: 64312607\nChange-Id: Ib0cf074ac21ab67d8f8f2efabbdfb84cce9cae8e\n"
    },
    {
      "commit": "ca6fff898afcb62491458ae8bcd428bfb3043da1",
      "tree": "195a6b16d3a4b34acc2faf91ce56f448efb15e07",
      "parents": [
        "aa7273e56fbafc2692c8d20a31b50d2f4bdd2aa1"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Tue Oct 03 14:49:14 2017 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Fri Oct 06 17:53:50 2017 +0100"
      },
      "message": "ART: Use ScopedArenaAllocator for pass-local data.\n\nPasses using local ArenaAllocator were hiding their memory\nusage from the allocation counting, making it difficult to\ntrack down where memory was used. Using ScopedArenaAllocator\nreveals the memory usage.\n\nThis changes the HGraph constructor which requires a lot of\nchanges in tests. Refactor these tests to limit the amount\nof work needed the next time we change that constructor.\n\nTest: m test-art-host-gtest\nTest: testrunner.py --host\nTest: Build with kArenaAllocatorCountAllocations \u003d true.\nBug: 64312607\nChange-Id: I34939e4086b500d6e827ff3ef2211d1a421ac91a\n"
    },
    {
      "commit": "0ebe0d83138bba1996e9c8007969b5381d972b32",
      "tree": "a5ee66ebc5b587ade97e56ac8fc7d832fbbed4af",
      "parents": [
        "e1e347dace0ded83774999bb26c37527dcdb1d5a"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Sep 21 22:50:39 2017 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Mon Sep 25 15:45:01 2017 +0100"
      },
      "message": "ART: Introduce compiler data type.\n\nReplace most uses of the runtime\u0027s Primitive in compiler\nwith a new class DataType. This prepares for introducing\nnew types, such as Uint8, that the runtime does not need\nto know about.\n\nTest: m test-art-host-gtest\nTest: testrunner.py --host\nBug: 23964345\nChange-Id: Iec2ad82454eec678fffcd8279a9746b90feb9b0c\n"
    },
    {
      "commit": "1e065a54845da12541572f4f149e6ab0dcd20180",
      "tree": "061d28c8905c7bc8ac50c8c86f4073034afb5ba2",
      "parents": [
        "f573972a087b798f74bf5404e271355a2805e100"
      ],
      "author": {
        "name": "Igor Murashkin",
        "email": "iam@google.com",
        "time": "Wed Aug 09 13:20:34 2017 -0700"
      },
      "committer": {
        "name": "Igor Murashkin",
        "email": "iam@google.com",
        "time": "Fri Aug 11 10:23:07 2017 -0700"
      },
      "message": "optimizing: Refactor statistics to use OptimizingCompilerStats helper\n\nRemove all copies of \u0027MaybeRecordStat\u0027, replacing them with a single\nOptimizingCompilerStats::MaybeRecordStat helper.\n\nChange-Id: I83b96b41439dccece3eee2e159b18c95336ea933\n"
    },
    {
      "commit": "606c8f04d45df8f09f56cbce9881a57a4ae43174",
      "tree": "cd85e1cc5ebfb357bdd4a70ce6deff748ea667e6",
      "parents": [
        "2ab98309c0fc7b3c7451205b2371db5c34b05d49"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Nov 03 13:01:28 2016 +0000"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Tue Nov 08 10:24:52 2016 +0000"
      },
      "message": "Fix SimplifyIfs() trying to redirect exception handler edges.\n\nTest: 622-simplifyifs-exception-edges\nTest: m test-art-host\nBug: 32545860\nBug: 32546110\nBug: 18051191\nChange-Id: I641ed73baace840411fc5651937bbc80e79b0c46\n"
    },
    {
      "commit": "2c45bc9137c29f886e69923535aff31a74d90829",
      "tree": "90c7762c2dcb1105bf5907d6a1d068f172ea6155",
      "parents": [
        "168c58ce18b139d313cbc6131e3bb43539952c55"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Tue Oct 25 16:54:12 2016 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Oct 27 14:30:29 2016 +0100"
      },
      "message": "Remove H[Reverse]PostOrderIterator and HInsertionOrderIterator.\n\nUse range-based loops instead, introducing helper functions\nReverseRange() for iteration in reverse order in containers.\nWhen the contents of the underlying container change inside\nthe loop, use an index-based loop that better exposes the\ncontainer data modifications, compared to the old iterator\ninterface that\u0027s hiding it which may lead to subtle bugs.\n\nTest: m test-art-host\nChange-Id: I2a4e6c508b854c37a697fc4b1e8423a8c92c5ea0\n"
    },
    {
      "commit": "482095d3a03892b76f5b835c9e7ea4bc80638501",
      "tree": "642cb6b52f68e4e6d03475e80dc2845c5e4f50f6",
      "parents": [
        "0d7398fd5407938aba75c50bd323af27e83ccb9f"
      ],
      "author": {
        "name": "Aart Bik",
        "email": "ajcbik@google.com",
        "time": "Mon Oct 10 15:39:10 2016 -0700"
      },
      "committer": {
        "name": "Aart Bik",
        "email": "ajcbik@google.com",
        "time": "Tue Oct 11 10:39:42 2016 -0700"
      },
      "message": "Improved and simplified loop optimizations.\n\nRationale:\nEmpty preheader simplification has been simplified\nto a much more general empty block removal optimization\nstep. Incremental updating of induction variable\nanalysis enables repeated elimination or simplification\nof induction cycles.\n\nThis enabled an extra layer of optimization for\ne.g. Benchpress Loop (17.5us. -\u003e 0.24us. -\u003e 0.08us).\nSo the original 73x speedup is now multiplied\nby another 3x, for a total of about 218x.\n\nTest: 618-checker-induction et al.\nChange-Id: I394699981481cdd5357e0531bce88cd48bd32879\n"
    },
    {
      "commit": "d9c90373d640a5e08072cf469c372e24a8c0fc35",
      "tree": "35615699aa6c12b21d9c0de7d11ccf0f088ba0d8",
      "parents": [
        "b180b893b5acb5c55251522465f9d20ed45c3b5a"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Wed Sep 14 16:53:55 2016 +0100"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Wed Sep 14 19:57:21 2016 +0100"
      },
      "message": "Move ArrayRef to runtime/base\n\nWill be used in upcoming CLs regarding VDEX and VerifierDeps.\n\nTest: m test-art-host\nChange-Id: I68e611a4a52246c2bdf45eab7c61f3212908afd4\n"
    },
    {
      "commit": "dac9b19b822e6cc6f1d7f40e27780515d1fddf22",
      "tree": "de163a82ef5f13394c4b467897e558571ed284b9",
      "parents": [
        "173f435e56acfd0501fc460747572a4796dcffe0"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Fri Jul 15 10:46:17 2016 +0100"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Mon Jul 18 11:22:51 2016 +0100"
      },
      "message": "Add a new control flow simplifier.\n\nRun it in the dead code elimination phase, as it relates to\ncreating dead branches.\n\nFrom 0.04 to 0.07% less code size framework/gms/docs/fb (70K saved on fb)\n3%-5% runtime performance improvements on Richards/DeltaBlue/Ritz.\nCompile-time is mixed, so in the noise (from 2% slower to 1% faster).\n\ntest:611-checker-simplify-if\n\nChange-Id: Ife8b7882d57b5481f5ca9dc163beba655d7e78bf\n"
    },
    {
      "commit": "3ea5a97d27468cec846d958c38d0d706ef7ec67e",
      "tree": "8895f0adeaff161be3a7101d7f11fa744ff739c6",
      "parents": [
        "60be30a353aa8515c72aa5240508128bb3ad9829"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Mon May 09 20:23:34 2016 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Mon May 09 20:33:31 2016 +0100"
      },
      "message": "Attribute arena allocations previously marked as STL.\n\nBug: 28603175\nChange-Id: I488e39b23afb86f3ff5a2df16d2df59eb3adaa0f\n"
    },
    {
      "commit": "0ced281ae6216c29f57ca0f8b7388a722e8da97b",
      "tree": "b7f8273bb117c8ec8f8546ed937a8c0a96d2e5de",
      "parents": [
        "843a65556616183a36792bbcc1632c6d8d0e78b2",
        "1a65388f1d86bb232c2e44fecb44cebe13105d2e"
      ],
      "author": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Thu Mar 24 10:25:51 2016 +0000"
      },
      "committer": {
        "name": "Gerrit Code Review",
        "email": "noreply-gerritcodereview@google.com",
        "time": "Thu Mar 24 10:25:51 2016 +0000"
      },
      "message": "Merge \"Clean up art::HConstant predicates.\""
    },
    {
      "commit": "f6a35de9eeefb20f6446f1b4815b4dcb0161d09c",
      "tree": "cf484acbd6889b92a7fe3e8615611129088c3894",
      "parents": [
        "459898dc4470559ba1e1d578bc52a914d1f573f5"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Mon Mar 21 12:01:50 2016 +0000"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Mon Mar 21 16:50:08 2016 +0000"
      },
      "message": "Optimizing: Fix register allocator validation memory usage.\n\nAlso attribute ArenaBitVector allocations to appropriate\npasses. This was used to track down the source of the\nexcessive memory alloactions.\n\nBug: 27690481\n\nChange-Id: Ib895984cb7c04e24cbc7abbd8322079bab8ab100\n"
    },
    {
      "commit": "1a65388f1d86bb232c2e44fecb44cebe13105d2e",
      "tree": "515e3000b3ad6d195101f20f33f3c9498e536593",
      "parents": [
        "f808e8a0cc218c2b98023ef0e91f3c5b74ad2962"
      ],
      "author": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Fri Mar 18 18:05:57 2016 +0000"
      },
      "committer": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Fri Mar 18 18:05:57 2016 +0000"
      },
      "message": "Clean up art::HConstant predicates.\n\n- Make the difference between arithmetic zero and zero-bit\n  pattern non ambiguous.\n- Introduce Boolean predicates in art::HIntConstant for when\n  they are used as Booleans.\n- Introduce aritmetic positive and negative zero predicates\n  for floating-point constants.\n\nBug: 27639313\nChange-Id: Ia04ecc6f6aa7450136028c5362ed429760c883bd\n"
    },
    {
      "commit": "09aa147f0891ef28a95d89e8ad61c429f82ddd5b",
      "tree": "dbf7ee48d5aa06dc4ba1ca88702e5e667e17a9db",
      "parents": [
        "a65ff5e0576ace8ffeb1a6dc8784a61cd2498fba"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Tue Jan 19 10:52:54 2016 +0000"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Tue Jan 19 13:24:07 2016 +0000"
      },
      "message": "Disable DCE when there are irreducible loops.\n\nAlso ensure an instruction that requires an environment\ndoes have one.\n\nChange-Id: I41a8460e05ef320f872197d3be7847e7ffaa6ee8\n"
    },
    {
      "commit": "15bd22849ee6a1ffb3fb3630f686c2870bdf1bbc",
      "tree": "a261601589163faa4538bcf1c9d156e8ec4a42b3",
      "parents": [
        "5b7b5ddb515828c93f0c2aec67aa513c32d0de22"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Tue Jan 05 15:55:41 2016 +0000"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Thu Jan 14 15:00:20 2016 +0000"
      },
      "message": "Implement irreducible loop support in optimizing.\n\nSo we don\u0027t fallback to the interpreter in the presence of\nirreducible loops.\n\nImplications:\n- A loop pre-header does not necessarily dominate a loop header.\n- Non-constant redundant phis will be kept in loop headers, to\n  satisfy our linear scan register allocation algorithm.\n- while-graph optimizations, such as gvn, licm, lse, and dce\n  need to know when they are dealing with irreducible loops.\n\nChange-Id: I2cea8934ce0b40162d215353497c7f77d6c9137e\n"
    },
    {
      "commit": "0cf4493166ff28518c8eafa2d0463f6e817cce75",
      "tree": "6d207db3fb655bbd692f2b01fa963c603619bd0e",
      "parents": [
        "d674bf7ba2a209790cea8ef8d935480ef515c9e1"
      ],
      "author": {
        "name": "David Srbecky",
        "email": "dsrbecky@google.com",
        "time": "Wed Dec 09 14:09:59 2015 +0000"
      },
      "committer": {
        "name": "David Srbecky",
        "email": "dsrbecky@google.com",
        "time": "Wed Dec 23 13:19:16 2015 +0000"
      },
      "message": "Generate more stack maps during native debugging.\n\nGenerate extra stack map at the start of each java statement.\nThe stack maps are later translated to DWARF which allows\nLLDB to set breakpoints and view local variables.\n\nChange-Id: If00ab875513308e4a1399d1e12e0fe8934a6f0c3\n"
    },
    {
      "commit": "8a7c0fe837bb00b02dfcfc678910d81d07fb2136",
      "tree": "9d1a44fa3dd16ed93efb84f5c4e4e5bf1231f5c3",
      "parents": [
        "44612873bb02be8a59e16aa50f61cce9e9cc9547"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Mon Nov 02 20:24:55 2015 +0000"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Tue Nov 10 09:38:37 2015 +0000"
      },
      "message": "Revert \"Revert \"ART: Update DCE to work with try/catch\"\"\n\nThe previous CL failed because it did not update inputs of catch phis.\nSince phi input indices cannot be easily mapped back to throwing\ninstructions, this new implementation at least removes catch phi uses\nof values defined in the removed blocks to preserve graph consistency.\n\nThis reverts commit fb552d7061746f7a90fdd5002696e255e2e15c35.\n\nChange-Id: I63d95915d1ef50e71d3bcf0cd10aaded554035b4\n"
    },
    {
      "commit": "fb552d7061746f7a90fdd5002696e255e2e15c35",
      "tree": "6ac0a1698ef53c7bb7258d471816b4edf6fb9212",
      "parents": [
        "ce52901e2c8377fc1c331ae0faf7fbcb46b9da97"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Mon Nov 02 20:24:24 2015 +0000"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Mon Nov 02 20:24:24 2015 +0000"
      },
      "message": "Revert \"ART: Update DCE to work with try/catch\"\n\nThis reverts commit ce52901e2c8377fc1c331ae0faf7fbcb46b9da97.\n\nChange-Id: I6b3a1f2a3dc036030b089b0df2005ecefa66b949\n"
    },
    {
      "commit": "ce52901e2c8377fc1c331ae0faf7fbcb46b9da97",
      "tree": "19dca428a4e5e30d70c9e96d85acc99ae01ba8e4",
      "parents": [
        "49560fcce5b9a07108f7cc75a3fb0fa265e5fa0e"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Wed Oct 28 19:25:55 2015 -0500"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Mon Nov 02 13:22:19 2015 -0600"
      },
      "message": "ART: Update DCE to work with try/catch\n\nDead block elimination was previously disabled because it needed\nto be updated. With this patch, try/catch blocks can be removed\nas a result of a dead if/switch branch.\n\nChange-Id: I3261060bf24fd5fe7bb0f989247f0ef62ec5fd7b\n"
    },
    {
      "commit": "ec7802a102d49ab5c17495118d4fe0bcc7287beb",
      "tree": "08649609604b9c96bc48ca071c48b0af5abb1a3f",
      "parents": [
        "b2e436ffcda1d7a87e7bf9133d8ed878388c73c2"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Oct 01 20:57:57 2015 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Oct 08 11:10:18 2015 +0100"
      },
      "message": "Add DCHECKs to ArenaVector and ScopedArenaVector.\n\nImplement dchecked_vector\u003c\u003e template that DCHECK()s element\naccess and insert()/emplace()/erase() positions. Change the\nArenaVector\u003c\u003e and ScopedArenaVector\u003c\u003e aliases to use the new\ntemplate instead of std::vector\u003c\u003e. Remove DCHECK()s that\nhave now become unnecessary from the Optimizing compiler.\n\nChange-Id: Ib8506bd30d223f68f52bd4476c76d9991acacadc\n"
    },
    {
      "commit": "430c4f561ec41a59813a17f7e3b4da10996a4774",
      "tree": "978b9a6bc7c3ce8028347fabe478df6bd98d183f",
      "parents": [
        "ec7e44f7afe0ff48d4d1ae54a12d375e0392d24c"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Fri Sep 25 17:10:15 2015 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Fri Sep 25 17:13:13 2015 +0100"
      },
      "message": "Optimizing: Add comment on DCE\u0027s packed-switch value check.\n\nChange-Id: I0c264d00b889917f88347c16c53e7647d0d8fd0f\n"
    },
    {
      "commit": "211c2119dc8932bdb264fae858adba6c0541ce3c",
      "tree": "95dd0a75f9bd6745cf7bee4686dd612e353b5301",
      "parents": [
        "0aeb7599bcd7073a5c849f413fb7a9611f5944eb"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Sep 24 16:52:33 2015 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Fri Sep 25 12:28:37 2015 +0100"
      },
      "message": "Optimizing: Rewrite DCE\u0027s MarkReachableBlocks().\n\nReplace a recursive implementation with a loop using a work\nlist to avoid stack overflow that we would presumably hit\nfor 702-LargeBranchOffset in host debug build with -O0, once\nthe DCE block elimination is enabled for methods containing\ntry-catch.\n\nBug: 24133462\nChange-Id: I41288ba368722bcb5d68259c7c147552c8928099\n"
    },
    {
      "commit": "fe57faa2e0349418dda38e77ef1c0ac29db75f4d",
      "tree": "38ba7a406f8a86a1152bd6c9f2d0a6c677423211",
      "parents": [
        "9e30c0e177adabaaf94a66c91130a19a7632fc7c"
      ],
      "author": {
        "name": "Mark Mendell",
        "email": "mark.p.mendell@intel.com",
        "time": "Fri Sep 18 09:26:15 2015 -0400"
      },
      "committer": {
        "name": "Mark Mendell",
        "email": "mark.p.mendell@intel.com",
        "time": "Mon Sep 21 07:23:45 2015 -0400"
      },
      "message": "[optimizing] Add basic PackedSwitch support\n\nAdd HPackedSwitch, and generate it from the builder.  Code generators\nconvert this to a series of compare/branch tests.  Better implementation\nin the code generators as a real jump table will follow as separate CLs.\n\nChange-Id: If14736fa4d62809b6ae95280148c55682e856911\nSigned-off-by: Mark Mendell \u003cmark.p.mendell@intel.com\u003e\n"
    },
    {
      "commit": "fa6b93c4b69e6d7ddfa2a4ed0aff01b0608c5a3a",
      "tree": "3528c88e104dac8e58ae5370ab066b8b1dd0218f",
      "parents": [
        "e295be4a95d7861f6ec179edf6565f58cad747cc"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Tue Sep 15 10:15:55 2015 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Wed Sep 16 13:21:33 2015 +0100"
      },
      "message": "Optimizing: Tag arena allocations in HGraph.\n\nReplace GrowableArray with ArenaVector in HGraph and related\nclasses HEnvironment, HLoopInformation, HInvoke and HPhi,\nand tag allocations with new arena allocation types.\n\nChange-Id: I3d79897af405b9a1a5b98bfc372e70fe0b3bc40d\n"
    },
    {
      "commit": "6058455d486219994921b63a2d774dc9908415a2",
      "tree": "3d205227f3ff54cd3a50bc5c0e7cb3ad6c175b86",
      "parents": [
        "637ee0b9c10ab7732a7ee7b8335f3fff4ac1549c"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Sep 03 13:35:12 2015 +0000"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Tue Sep 08 18:09:49 2015 +0100"
      },
      "message": "Optimizing: Tag basic block allocations with their source.\n\nReplace GrowableArray with ArenaVector in HBasicBlock and,\nto track the source of allocations, assign one new and two\nQuick\u0027s arena allocation types to these vectors. Rename\nkArenaAllocSuccessor to kArenaAllocSuccessors.\n\nBug: 23736311\nChange-Id: Ib52e51698890675bde61f007fe6039338cf1a025\n"
    },
    {
      "commit": "145acc5361deb769eed998f057bc23abaef6e116",
      "tree": "3d66a0b44e1ac927156eec6e6488de5fd52b982b",
      "parents": [
        "91e11c0c840193c6822e66846020b6647de243d5"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Sep 03 13:33:25 2015 +0000"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Sep 03 13:33:25 2015 +0000"
      },
      "message": "Revert \"Optimizing: Tag basic block allocations with their source.\"\n\nReverting so that we can have more discussion about the STL API.\n\nThis reverts commit 91e11c0c840193c6822e66846020b6647de243d5.\n\nChange-Id: I187fe52f2c16b6e7c5c9d49c42921eb6c7063dba\n"
    },
    {
      "commit": "91e11c0c840193c6822e66846020b6647de243d5",
      "tree": "0c5398ef59c464c1848afd0113c74b6aeb75cf42",
      "parents": [
        "f9f6441c665b5ff9004d3ed55014f46d416fb1bb"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Wed Sep 02 17:03:22 2015 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Thu Sep 03 13:09:37 2015 +0100"
      },
      "message": "Optimizing: Tag basic block allocations with their source.\n\nReplace GrowableArray with ArenaVector in HBasicBlock and,\nto track the source of allocations, assign one new and two\nQuick\u0027s arena allocation types to these vectors. Rename\nkArenaAllocSuccessor to kArenaAllocSuccessors.\n\nBug: 23736311\nChange-Id: I984aef6e615ae2380a532f5c6726af21015f43f5\n"
    },
    {
      "commit": "e418dda75998e0186f7580c2c54705767c3c8f1f",
      "tree": "49b3183cd1d25b6a5cfb31e0d16678deb023c1e8",
      "parents": [
        "4d786026efaac41acf8278d1c87d842f7ce06fde"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Tue Aug 11 20:03:09 2015 -0700"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Thu Aug 20 11:00:12 2015 +0100"
      },
      "message": "Be more flexible on the code unit size when inlining.\n\nThis change increases the maximum code unit size, and fold\nparameters in the inlinee in the hope to reduce the overall\nsize of the graph. We then make sure we don\u0027t inline methods\nthat have more than N HInstructions.\n\nAlso, remove the kAccDontInline flag on ArtMethod. The compiler\ndoes not need it anymore.\n\nChange-Id: I4cd3da40e551f30ba83b8b274728b87e67f6812e\n"
    },
    {
      "commit": "bbd733e4ef277eff19bf9a6601032da081e9b68f",
      "tree": "47c5e9624378d8705e8e448ed951617f680d021f",
      "parents": [
        "a35d4c9d66b372e7ae1014357c48ddfa6104085b"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Tue Aug 18 17:48:17 2015 +0100"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Wed Aug 19 19:55:43 2015 +0100"
      },
      "message": "ART: Enable basic optimizations for try/catch\n\nGenerating code for try/catch methods requires having run at least the\ninstruction simplifier to remove redundant suspend checks. This patch\nenables the first group of optimizations when try/catch is present.\n\nEnabled optimizations:\n1) IntrinsicsRecognizer\nDoes not modify the graph, only sets HInvoke::intrinsic_.\n\n2) ConstantFolding\nDoes not deal with throwing instructions.\n\n3) InstructionSimplifier\nMay remove a throwing instruction (e.g. LoadClass in VisitCheckCast),\nor may turn a throwing instruction into a non-throwing one (ArraySet).\nTheir corresponding catch phi inputs are not removed but correctness\nis preserved.\n\n4) ReferenceTypePropagation\nDoes not modify the graph, only sets type properties. Typing of\nLoadException from catch handler information was added.\n\n5) DeadCodeElimination\nRemoving individual instructions is fine (same as 3). Removal of dead\nblocks was disabled for try/catch.\n\nChange-Id: I2722c3229eb8aaf326391e07f522dbf5186774b8\n"
    },
    {
      "commit": "78e3ef6bc5f8aa149f2f8bf0c78ce854c2f910fa",
      "tree": "b8aa83bef462e20e2e7e09650e6c15d3a8d97fa6",
      "parents": [
        "6a5037eb3340e4c981fd7de3ff45167ee5b7fc82"
      ],
      "author": {
        "name": "Alexandre Rames",
        "email": "alexandre.rames@linaro.org",
        "time": "Wed Aug 12 13:43:29 2015 +0100"
      },
      "committer": {
        "name": "Alexandre Rames",
        "email": "alexandre.rames@linaro.org",
        "time": "Wed Aug 12 13:43:29 2015 +0100"
      },
      "message": "Add a GVN dependency \u0027GC\u0027 for garbage collection.\n\nThis will be used by incoming architecture specific optimizations. The\ndependencies must be conservative. When an HInstruction is created we\nmay not be sure whether it can trigger GC. In that case the\n\u0027ChangesGC\u0027 dependency must be set. We control at code-generation time\nthat HInstructions that can call have the \u0027ChangesGC\u0027 dependency\nset.\n\nChange-Id: Iea6a7f430009f37a9599b0a0039207049906e45d\n"
    },
    {
      "commit": "854a02b1b488327f80c544ca1119b386b8715c26",
      "tree": "7f48f01a7624d07b0c24bf589308673dcb05683c",
      "parents": [
        "8ae3588989ea99d8c60f885e3d830e6e0c87ff5f"
      ],
      "author": {
        "name": "Aart Bik",
        "email": "ajcbik@google.com",
        "time": "Tue Jul 14 16:07:00 2015 -0700"
      },
      "committer": {
        "name": "Aart Bik",
        "email": "ajcbik@google.com",
        "time": "Mon Jul 20 10:25:26 2015 -0700"
      },
      "message": "Improved side effect analysis (field/array write/read).\n\nRationale:\nTypes (int, float etc.) and access type (field vs. array)\ncan be used to disambiguate write/read side-effects analysis.\nThis directly improves e.g. dead code elimination and licm.\n\nChange-Id: I371f6909a3f42bda13190a03f04c4a867bde1d06\n"
    },
    {
      "commit": "1f82ecc6a0c9f88d03d6d1a6d95eeb8707bd06c1",
      "tree": "50d71ef83f27827f0acfe6708acdb46e159f7506",
      "parents": [
        "a12f729e7165780e73857e6248af0df00ad6ce2b"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Wed Jun 24 12:20:24 2015 +0100"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Wed Jun 24 12:37:52 2015 +0100"
      },
      "message": "Recompute dominator tree after DCE.\n\nbug:22031382\nChange-Id: Ifebe169897b76872015e3ce0ed7d0a9662f80cef\n"
    },
    {
      "commit": "f78848f2ced8466b5fb2d7148d608288ee88757b",
      "tree": "72bfc782c51995b8c9d8ec41fafdae32f5341090",
      "parents": [
        "edb83c606e034d76bed1331f34cdc435df47bb95"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Wed Jun 17 11:57:56 2015 +0100"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Wed Jun 17 22:15:01 2015 +0100"
      },
      "message": "Don\u0027t special case HCurrentMethod in DCE.\n\nInstead, re-create the HCurrentMethod if it is needed\nafter it has been removed.\n\nChange-Id: Id3bf15ae87b00a1d7eb35bf36d58fe96f788fba4\n"
    },
    {
      "commit": "839188b561d7066f88acfac0a8f5d4b08ae73c45",
      "tree": "c156e99e3df6bc818cb942554b1778b02ba38df0",
      "parents": [
        "f86808b55b550962c627b50511b98f4de8cd0e60"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Tue Jun 02 10:38:12 2015 +0100"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Tue Jun 02 10:39:49 2015 +0100"
      },
      "message": "Fix a crash due to a combination of dce/inlining.\n\nDead code elimiation was removing HCurrentMethod if\nit ended up not being used, but inlining requires access\nto it. Therefore we should keep the node in the graph.\n\nChange-Id: I2f44f71b4ff3f2c3f9569d8420c1b37f00e694d2\n"
    },
    {
      "commit": "84daae5ce19038156c0fa0cdbc33d47efdb7e66b",
      "tree": "5f507470744edd6b1a436c9e4514f0d464ca38eb",
      "parents": [
        "c88b09fc1d67413e814a10d20752e46aa28bc0e4"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Mon May 18 12:06:52 2015 +0100"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Mon May 18 12:06:52 2015 +0100"
      },
      "message": "ART: Removed redundant Phis as part of DCE\n\nRemoving dead blocks can render some phis redundant but they do not\nget removed. This patch adds running SsaRedundantPhiElimination to\nadress that.\n\nChange-Id: Iec9a16f3c20b2d5b5607cd5aaf802917c155a0f1\n"
    },
    {
      "commit": "a4b8c21dae70ae34aee13628632c39a675c06022",
      "tree": "3a72a4fcb64d61b7913f6ee3599a46b3248437b6",
      "parents": [
        "faf935eb3a8565de98d9ec1f79c8c43c5c6eb2a7"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Thu May 07 09:59:30 2015 +0100"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Tue May 12 11:37:53 2015 +0100"
      },
      "message": "ART: Rediscover loops after deleting blocks in DCE\n\nThe way DCE currently updates loop information does not cover all\ncases. This patch removes the logic, resets loop information of live\nblocks to pre-SSA state and reanalyzes the affected loops.\n\nChange-Id: I0b996a70235b95a8db0de9a23a03f71db57a21b8\n"
    },
    {
      "commit": "69a2804c3bb48cf4fd00a66080f613a4fd96c422",
      "tree": "aab3f079d972bae71bbfa27fdca139738f41dbf0",
      "parents": [
        "f073a36d1ed866e786f7d7784c709c86b00bc58e"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Wed Apr 29 17:16:07 2015 +0100"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Wed Apr 29 17:36:52 2015 +0100"
      },
      "message": "ART: Fix loop information after dead code elimination\n\nCompilation failed when only some blocks of a loop were removed during\ndead code elimination.\n\nBug: 20680703\nChange-Id: If31025169ca493f0d7f7f2788576e98d05f03394\n"
    },
    {
      "commit": "2d7352ba5311b8f57427b91b7a891e61497373c1",
      "tree": "3f3426f4f30663ee252ebc1f02ecd0eb114bad85",
      "parents": [
        "c5cb691ca6a746a193bfbe3525aafa7cbb281d40"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Mon Apr 20 14:52:42 2015 +0100"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Fri Apr 24 16:19:31 2015 +0100"
      },
      "message": "ART: Dead block removal\n\nAdds a new pass which finds all unreachable blocks, typically due to\nsimplifying an if-condition to a constant, and removes them from the\ngraph. The patch also slightly generalizes the graph-transforming\noperations.\n\nChange-Id: Iff7c97f1d10b52886f3cd7401689ebe1bfdbf456\n"
    },
    {
      "commit": "8f20bdb9d3b7516e75a7845e610105d87ce25ae6",
      "tree": "b55e5b7695e482dc66dda6a0175bb56251294baf",
      "parents": [
        "641547a5f18ca2ea54469cceadcfef64f132e5e0"
      ],
      "author": {
        "name": "Calin Juravle",
        "email": "calin@google.com",
        "time": "Tue Apr 21 14:07:50 2015 +0100"
      },
      "committer": {
        "name": "Calin Juravle",
        "email": "calin@google.com",
        "time": "Wed Apr 22 12:13:44 2015 +0100"
      },
      "message": "Run DCE again after all the other optimizations have run.\n\nOn docs this doubles the amount of instructions removed.\n"
    },
    {
      "commit": "0cdf6d31b6e8b39b56deba92336383f43fba9c0f",
      "tree": "21bea01160e2470609405a72e8df8b186456a13d",
      "parents": [
        "7a9c885684c965fe84f91d8ad74f54f869e2a448"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Tue Apr 21 16:04:32 2015 +0000"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Tue Apr 21 16:04:32 2015 +0000"
      },
      "message": "Revert \"Run DCE again after all the other optimizations have run.\"\n\nReverting because of libcore failures.\n\nThis reverts commit 7a9c885684c965fe84f91d8ad74f54f869e2a448.\n\nChange-Id: Iafe59b02fe7617243d81533d66e609a3528e7a58\n"
    },
    {
      "commit": "7a9c885684c965fe84f91d8ad74f54f869e2a448",
      "tree": "9323e6b4c6a3391f279d1b4837647fcaedc3218f",
      "parents": [
        "2be39e05ea8c4475278fe6a6573c3c8f04e075d4"
      ],
      "author": {
        "name": "Calin Juravle",
        "email": "calin@google.com",
        "time": "Tue Apr 21 14:07:50 2015 +0100"
      },
      "committer": {
        "name": "Calin Juravle",
        "email": "calin@google.com",
        "time": "Tue Apr 21 15:44:29 2015 +0100"
      },
      "message": "Run DCE again after all the other optimizations have run.\n\nOn docs this doubles the amount of instructions removed.\n\nChange-Id: I1712a92c0c0b3b32b111d194b64d8ea81d652822\n"
    },
    {
      "commit": "27df758e2e7baebb6e3f393f9732fd0d064420c8",
      "tree": "261207281fd574deffb4dc1c1bc6bea8f150993e",
      "parents": [
        "f8bdd9f3a002970e4b8fdcf6fe6730116f1626c3"
      ],
      "author": {
        "name": "Calin Juravle",
        "email": "calin@google.com",
        "time": "Fri Apr 17 19:12:31 2015 +0100"
      },
      "committer": {
        "name": "Calin Juravle",
        "email": "calin@google.com",
        "time": "Mon Apr 20 14:02:51 2015 +0100"
      },
      "message": "[optimizing] Add memory barriers in constructors when needed\n\nIf a class has final fields we must add a memory barrier before\nreturning from constructor. This makes sure the fields are visible to\nother threads.\n\nBug: 19851497\nChange-Id: If8c485092fc512efb9636cd568cb0543fb27688e\n"
    },
    {
      "commit": "75be28332b278cff9039b54bfb228ac72f539ccc",
      "tree": "a01829ba0412d0f6637a833b41694f0d757d8f43",
      "parents": [
        "ffb078ee815a38123581e706099a3bed65a6cb24"
      ],
      "author": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Fri Oct 17 17:02:00 2014 +0100"
      },
      "committer": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Fri Oct 17 17:11:43 2014 +0100"
      },
      "message": "Revert \"Revert \"Introduce a class to implement optimization passes.\"\"\n\nThis reverts commit 1ddbf6d4b37979a9f11a203c12befd5ae8b65df4.\n\nChange-Id: I110a14668d1564ee0604dc958b91394b40da89fc\n"
    },
    {
      "commit": "e161a2a60c0325793f04be42a0f05228955ecfdd",
      "tree": "426167496f383ec4343902f01ce0745d4dd1874d",
      "parents": [
        "3a3fd0f8d3981691aa2331077a8fae5feee08dd1"
      ],
      "author": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Fri Oct 03 12:45:18 2014 +0100"
      },
      "committer": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Tue Oct 14 14:44:16 2014 +0100"
      },
      "message": "Do not remove NullChecks \u0026 BoundsChecks in HDeadCodeElimination.\n\nRemoving a NullCheck or a BoundsCheck instruction may change\nthe behavior of a program.\n\nChange-Id: Ib2c9beff0cc98c382210e7cc88b1fa9af3c61887\n"
    },
    {
      "commit": "1ddbf6d4b37979a9f11a203c12befd5ae8b65df4",
      "tree": "2bc48925657e791441aa947d4d629994a0696e78",
      "parents": [
        "bf9cd7ba2118a75f5aa9b56241c4d5fa00dedeb8"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Wed Oct 01 14:59:23 2014 +0000"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Wed Oct 01 14:59:23 2014 +0000"
      },
      "message": "Revert \"Introduce a class to implement optimization passes.\"\n\nThis reverts commit bf9cd7ba2118a75f5aa9b56241c4d5fa00dedeb8.\n\nChange-Id: I0a483446666c9c24c45925a5fc199debdefd8b3e\n"
    },
    {
      "commit": "bf9cd7ba2118a75f5aa9b56241c4d5fa00dedeb8",
      "tree": "0bd049b173d23fcaed5c1b5cb4299e8faef840da",
      "parents": [
        "34bb808affbed7a1db177b9ef4ab5461c2b2106b"
      ],
      "author": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Tue Sep 30 16:15:14 2014 +0100"
      },
      "committer": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Wed Oct 01 11:52:58 2014 +0100"
      },
      "message": "Introduce a class to implement optimization passes.\n\n- Add art::HOptimization.\n- Rename art::ConstantPropagation to art::HConstantFolding in\n  compiler/optimizing/constant_folding.h to avoid name\n  clashes with a class of the same name in\n  compiler/dex/post_opt_passes.h.\n- Rename art::DeadCodeElimination to\n  art::HDeadCodeElimination for consistency reasons.\n- Have art::HDeadCodeElimination and art::HConstantFolding\n  derive from art::HOptimization.\n- Start to use these optimizations in\n  art:OptimizingCompiler::TryCompile.\n\nChange-Id: Iaab350c122d87b2333b3760312b15c0592d7e010\n"
    },
    {
      "commit": "9ebc72c99e6b703bda611d7c918c9cf3dfb43e55",
      "tree": "6696e6e51dbe2606d2b2e0c0c60dfec06af97e60",
      "parents": [
        "a72cb229d555a8ca86dca748733ea3791eaeec14"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Thu Sep 25 16:33:42 2014 +0100"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Thu Sep 25 16:33:42 2014 +0100"
      },
      "message": "Make suspend checks note have side effects.\n\nAlso adjust gtests.\n\nChange-Id: I5e1a3e53115812b45ec7f4b6f50ba468fa7ac6b1\n"
    },
    {
      "commit": "72bceff11a98cc1ecdb64a6fae16c521f99ec6a7",
      "tree": "d326cc4fd32315735466efbb17ea22adf121395c",
      "parents": [
        "ccc07a9579c554443cd03a306ca9b4f943fd2a93"
      ],
      "author": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Mon Sep 15 18:29:00 2014 +0100"
      },
      "committer": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Wed Sep 17 18:23:21 2014 +0100"
      },
      "message": "Initiate a dead code elimination pass in the optimizing compiler.\n\nChange-Id: Ie9db5d8e2c2c30e34145a0f7d2386b8ec58cfc4e\n"
    }
  ]
}