Commit Graph

972 Commits

Author SHA1 Message Date
Vyacheslav Egorov a1a38da58e [vm] Report an error when illegally accessing class through API in AOT mode.
Move all pragma documentation into runtime/docs and reformat it a bit.

Fixes https://github.com/dart-lang/sdk/issues/35170

Change-Id: I2ab4d6d598f115efaa3192135cb838fb85cbbb01
Reviewed-on: https://dart-review.googlesource.com/c/84435
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
Auto-Submit: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Samir Jindel <sjindel@google.com>
2018-11-15 12:00:57 +00:00
Alexander Markov ed48cfeb47 [vm/bytecode] Support source positions when executing bytecode
This includes both interpreted and compiled bytecode.

Change-Id: I6309ec4f0687f68caf6260cc57dacf94f027177d
Reviewed-on: https://dart-review.googlesource.com/c/84481
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Auto-Submit: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2018-11-15 00:48:04 +00:00
Régis Crelier f721d52163 [VM runtime] Introduce a new VM class Bytecode.
Allow pc_marker slot to hold a Code object or a new Bytecode object.

Change-Id: If11c1df6dafc5b1cfcce6f0322c36d1d68e86df9
Reviewed-on: https://dart-review.googlesource.com/c/82526
Commit-Queue: Régis Crelier <regis@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2018-11-14 02:48:03 +00:00
Alexander Markov 8f7a0f400b [vm/bytecode] Emit source positions for bytecode instructions
Change-Id: I83963771db301089317823f6bf14eb4a2728dbfb
Reviewed-on: https://dart-review.googlesource.com/c/81740
Auto-Submit: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Régis Crelier <regis@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2018-11-14 00:27:45 +00:00
Alexander Markov 3c32b32d56 [vm/bytecode] Enable OSR for unoptimized code compiled from bytecode
In order to enable OSR, CheckStackOverflow IL instructions are attributed
with a non-zero loop depth. The original loop depth is passed as operand
of CheckStack bytecode instruction.

Change-Id: I771f59ba9f8d071680a3b7156be380e0f606b7b2
Reviewed-on: https://dart-review.googlesource.com/c/84081
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-11-12 19:04:54 +00:00
Samir Jindel 5ef1465c55 [vm] Attach type to parameters on unchecked entry.
This is especially important for multiple entry-points in AOT mode, since without the type
information we can't inline certain intrinsics (because they would have to de-opt).

Change-Id: I62352234c95a1211ff7cdabb9cefc48990427a6f
Reviewed-on: https://dart-review.googlesource.com/c/82999
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2018-11-12 12:57:00 +00:00
Alexander Markov a4dc8cd22e [vm/kernel/bytecode] Make sure bytecode instructions are aligned in kernel
Change-Id: I109123e88b8352b198d5ef9aad9eedc1df7141c8
Reviewed-on: https://dart-review.googlesource.com/c/83543
Reviewed-by: Régis Crelier <regis@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-11-09 17:08:46 +00:00
Martin Kustermann 27537b458a [VM] Ensure parameters from unchecked entrypoints have type attached
For functions without optional parameters this is done in the
ParameterInstr::ComputeType directly whereas for optional parameters,
where the prologue is not built 2 times, we use redefinitions.

Issue https://github.com/dart-lang/sdk/issues/34324

Change-Id: Id6f86610ecbde090ca1596d6fabdf7f2a8bcd5e2
Reviewed-on: https://dart-review.googlesource.com/c/83020
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2018-11-09 16:40:21 +00:00
Ryan Macnak fa6a1684ef [vm] Introduce a separate VMTag for the interpreter.
Makes time spent in interpreted versus compiled Dart code visible in Observatory's pie chart. Will allow the profiler to know whether to start a stack walk from the machine code FP or the interpreter's FP.

Remove dead Dart 1 frontend tags. Add tag for loading bytecode.

Change-Id: I2c5a580e1581f8ccd5a93bb293899c81f900ef13
Reviewed-on: https://dart-review.googlesource.com/c/83564
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2018-11-09 01:58:54 +00:00
Zach Anderson c4df463ba9 [vm] Reland kernel data library and class caches.
This is the same code as the previous commit, but it needs a fix
for issue #34953 to land first.

Change-Id: Id586f5e8a5ee498716e58ff44bb8a344822f73df
Reviewed-on: https://dart-review.googlesource.com/c/81840
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Zach Anderson <zra@google.com>
2018-11-01 20:25:59 +00:00
Ryan Macnak a651838652 [vm] Fix misc printf format bugs.
Bug: https://github.com/dart-lang/sdk/issues/35009
Change-Id: I6b509e1eb8e76e07f60a086c67358d65d2a1fae4
Reviewed-on: https://dart-review.googlesource.com/c/82460
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2018-11-01 16:37:22 +00:00
Régis Crelier 98a0309fbd [VM compiler] Reuse function type arguments to avoid instantiation at runtime, when possible.
Change-Id: Icfcbd165bb96cf83b7911c6c11a7daca17c6ba12
Reviewed-on: https://dart-review.googlesource.com/c/81701
Commit-Queue: Régis Crelier <regis@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2018-10-30 18:38:37 +00:00
Zach Anderson 50a34608d2 [vm] Disable expensive timeline parameter in bytecode reader
Change-Id: Iddb9e5f7164a053116ad604d42c27c26be45aabb
Reviewed-on: https://dart-review.googlesource.com/c/81900
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Zach Anderson <zra@google.com>
2018-10-29 18:51:15 +00:00
Zach Anderson ae2441337a Revert "Reland: [vm] Add a library and class cache to KernelProgramInfo"
This reverts commit c1e6140323.

Reason for revert:

On Windows

.\out\DebugX64\run_vm_tests.exe --dfe=out\DebugX64\gen\kernel-service.dart.snapshot IsolateReload_TearOff_List_Set

fails with:

sdk\runtime\vm\raw_object.cc: 231: error: Size mismatch: -2459565876494606883 from class vs 112 from tags c0718

Original change's description:
> Reland: [vm] Add a library and class cache to KernelProgramInfo
> 
> Relands with fixed locking to protect the caches.
> 
> Original message:
> Also create fewer handles in the KernelLoader.
> 
> GenKernelKernelReadAllBytecode improves a further
> 15-20% after removing the timeline event argument
> in the bytecode reader.
> 
> fixes #34939
> 
> Change-Id: I88c57bdb673392a7677c5c6bbb16cfed8c95c0d7
> Reviewed-on: https://dart-review.googlesource.com/c/81620
> Commit-Queue: Zach Anderson <zra@google.com>
> Reviewed-by: Alexander Markov <alexmarkov@google.com>

TBR=rmacnak@google.com,alexmarkov@google.com,zra@google.com,asiva@google.com

Change-Id: I4f3ff1866db2990b512b3ee7e59bf66bdc480dcc
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/81745
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Zach Anderson <zra@google.com>
2018-10-27 07:53:51 +00:00
Zach Anderson c1e6140323 Reland: [vm] Add a library and class cache to KernelProgramInfo
Relands with fixed locking to protect the caches.

Original message:
Also create fewer handles in the KernelLoader.

GenKernelKernelReadAllBytecode improves a further
15-20% after removing the timeline event argument
in the bytecode reader.

fixes #34939

Change-Id: I88c57bdb673392a7677c5c6bbb16cfed8c95c0d7
Reviewed-on: https://dart-review.googlesource.com/c/81620
Commit-Queue: Zach Anderson <zra@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2018-10-26 21:36:58 +00:00
Samir Jindel e23acaaf90 [vm/aot] Fix obfuscation.
Test Plan:

Make vm-kernel-precomp-obfuscate-linux-release-x64-try green, ensuring status file changes
reflect design gaps and not bugs.

Tested locally that obfuscated Flutter Gallery runs.

Change-Id: Ifcdc334de58f43c310e15b58dbcf6fe1597206f2
Cq-Include-Trybots: luci.dart.try:vm-kernel-precomp-obfuscate-linux-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/81009
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2018-10-26 13:00:33 +00:00
Martin Kustermann 12fe255ff5 Revert "Reland: [vm] Add a library and class cache to KernelProgramInfo"
This reverts commits
  - 47c55605b8
  - c362e4862f.

Reason for revert:

Very likely the cause for flaky crashes where mutator and BG compiler are accessing the program info class cache concurrently without proper locking.

Issue https://github.com/dart-lang/sdk/issues/34939

Original change's description:
> Reland: [vm] Add a library and class cache to KernelProgramInfo
>
> Relands with locks to protect the caches.
>
> Original message:
> Also create fewer handles in the KernelLoader.
>
> GenKernelKernelReadAllBytecode improves a further
> 15-20% after removing the timeline event argument
> in the bytecode reader.
>
> Change-Id: I6d796986a7773938e528271033385465e4f13468
> Reviewed-on: https://dart-review.googlesource.com/c/79380
> Reviewed-by: Ryan Macnak <rmacnak@google.com>
> Commit-Queue: Zach Anderson <zra@google.com>

TBR=rmacnak@google.com,alexmarkov@google.com,zra@google.com,asiva@google.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: Ib242ecc9ece8a233441fc4d5512e4a20ce3e0d11
Reviewed-on: https://dart-review.googlesource.com/c/81601
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2018-10-26 11:32:34 +00:00
Alexander Markov 59e626e5c9 [vm/bytecode] Change encoding of MoveSpecial bytecode instruction
Previously MoveSpecial bytecode instruction used unsigned 8-bit A field
to encode target local variable index. This is too restrictive as we allow
signed 16-bit local variable indices.

After this change MoveSpecial has A_X encoding, with A field used for
special index (0 or 1), and signed 16-bit X field used for target local.

Change-Id: Ib87992e192b2923a39a9968913c39476947d3ea5
Reviewed-on: https://dart-review.googlesource.com/c/81440
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Régis Crelier <regis@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Auto-Submit: Alexander Markov <alexmarkov@google.com>
2018-10-25 19:07:19 +00:00
Samir Jindel d11b74d1f3 [vm] Use unchecked entry-point for super calls.
Change-Id: Ie1abd050203f2d9806ebeedbec47292892fc9b0e
Reviewed-on: https://dart-review.googlesource.com/c/79960
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2018-10-25 12:48:09 +00:00
Peter von der Ahé 45e7ff28e1 Kernel Binary Format: Reify originating TypedefType on FunctionType
Previously, we only stored a reference to the originating Typedef declaration
and is thus loosing the originating type arguments. We need these type arguments
in various places, including diagnostics and bounds checks.

Note: this CL maintains backwards compatibility wrt to the Dart API of
FunctionType. I'll update the API in a follow-up CL.
Change-Id: I896ce3c3b4522d542a82c5036f8a17ee098143dc
Reviewed-on: https://dart-review.googlesource.com/c/81367
Commit-Queue: Peter von der Ahé <ahe@google.com>
Auto-Submit: Peter von der Ahé <ahe@google.com>
Reviewed-by: Kevin Millikin <kmillikin@google.com>
2018-10-25 11:40:37 +00:00
Martin Kustermann dec268cfae [VM] Catch non-instantiated type arguments for constant partial instantiation expression
This makes us report the following error

  * in JIT:

  Unhandled exception:
  'test.dart': error: Type arguments must be instantiated in partial instantiation.
  #0      main (...)
  ...

  * in AOT:

  test.dart:7:28: Error: The type '#lib1::C::T' is not a constant, only instantiated types are ...
    const C({this.callback = _defaultCallback});
                           ^
  test.dart:7:17: Context: While analyzing:
    const C({this.callback = _defaultCallback});
                ^
  test.dart:5:37: Error: The type '#lib1::C::T' is not a constant, only instantiated types are ...
    void foo([dynamic Function(T) f = _defaultCallback]) {}
                                    ^
  test.dart:5:33: Context: While analyzing:
    void foo([dynamic Function(T) f = _defaultCallback]) {}
                                ^
  test.dart:11:38: Error: The type '#lib1::bar::T' is not a constant, only instantiated types are ...
  void bar<T>([dynamic Function(T) f = _defaultCallback]) {}
                                     ^
  test.dart:11:34: Context: While analyzing:
  void bar<T>([dynamic Function(T) f = _defaultCallback]) {}



Issue https://github.com/dart-lang/sdk/issues/32912

Change-Id: I05c7019119a50a9cc38939d9cb41aeaa06c853bc
Reviewed-on: https://dart-review.googlesource.com/c/81278
Auto-Submit: Martin Kustermann <kustermann@google.com>
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Kevin Millikin <kmillikin@google.com>
2018-10-25 09:23:18 +00:00
Alexander Markov 1d10e037ef [vm/bytecode] Remove unreachable bytecode
Change-Id: I29393604547038cf359b8e19ea48078dd0eea3b1
Reviewed-on: https://dart-review.googlesource.com/c/81201
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Auto-Submit: Alexander Markov <alexmarkov@google.com>
2018-10-23 23:26:13 +00:00
Alexander Markov 9406b7b44e [vm/bytecode] Add versioning to bytecode format
Change-Id: I35d86aec17aa0f6894a6380e4bb5ac7ca3092fac
Reviewed-on: https://dart-review.googlesource.com/c/80522
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-10-22 18:03:20 +00:00
Zach Anderson e9b8e24891 [vm] Adds mutator thread asserts around bytecode reading
Change-Id: If5ee92e69f04da8c22983ccdb3d6d9006a2010a5
Reviewed-on: https://dart-review.googlesource.com/c/80562
Commit-Queue: Zach Anderson <zra@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2018-10-19 02:46:02 +00:00
Martin Kustermann 349adc5b1f Reland "[VM] Use c++/kernel2kernel constant evaluator for const StaticInvocation in the kernel IR"
Fixes https://github.com/dart-lang/sdk/issues/34770

Change-Id: I55b02e6ce327f4a08d96612fea44f7b03bddcbb5
Reviewed-on: https://dart-review.googlesource.com/c/79680
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2018-10-16 11:22:56 +00:00
Martin Kustermann 06f9a9e354 [VM] Introduce function and osr entrypoints to the VM's IR
Similar to how we treat catch entry instructions, this cl adds new
function and osr entry instructions. The [FunctionEntry] and
[OsrEntry] - just like [CatchBlockEntry] - have now their own initial
definitions. The [GraphEntry] has only initial definitions for
constants.

Explicit phis are inserted for all parameter / special parameter
instructions if necessary.

Future work is:

  a) Minimize parallel moves due to the phis on parameters
  b) Cleanup frame setup: Move it entirely into FunctionEntry/CatchEntry
    (instead of the split version we have now)

Fixes https://github.com/dart-lang/sdk/issues/34435
Fixes https://github.com/dart-lang/sdk/issues/34287

Change-Id: Iefa0280a709716f748d6fb0523b8d0f4d8de1fec
Reviewed-on: https://dart-review.googlesource.com/c/74782
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2018-10-15 13:02:51 +00:00
Siva Annamalai aabc26bafe Revert "[VM] Use c++/kernel2kernel constant evaluator for const StaticInvocation in the kernel IR"
This reverts commit 29ff9e4a6a.

Reason for revert: We seem to be seeing a number of dartkp failures after this commit.

Original change's description:
> [VM] Use c++/kernel2kernel constant evaluator for const StaticInvocation in the kernel IR
> 
> Fixes https://github.com/dart-lang/sdk/issues/34770
> 
> Change-Id: Ie0a3ea82992d70bfce04dcd8986b62f3e1dd5962
> Reviewed-on: https://dart-review.googlesource.com/c/79581
> Commit-Queue: Martin Kustermann <kustermann@google.com>
> Reviewed-by: Vyacheslav Egorov <vegorov@google.com>

TBR=vegorov@google.com,kustermann@google.com

Change-Id: Ib3f67e869e6bfa87161f7c580b0142d676e5a631
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/79467
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Siva Annamalai <asiva@google.com>
2018-10-12 19:34:27 +00:00
Martin Kustermann 29ff9e4a6a [VM] Use c++/kernel2kernel constant evaluator for const StaticInvocation in the kernel IR
Fixes https://github.com/dart-lang/sdk/issues/34770

Change-Id: Ie0a3ea82992d70bfce04dcd8986b62f3e1dd5962
Reviewed-on: https://dart-review.googlesource.com/c/79581
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2018-10-12 16:08:46 +00:00
Zach Anderson 47c55605b8 Reland: [vm] Add a library and class cache to KernelProgramInfo
Relands with locks to protect the caches.

Original message:
Also create fewer handles in the KernelLoader.

GenKernelKernelReadAllBytecode improves a further
15-20% after removing the timeline event argument
in the bytecode reader.

Change-Id: I6d796986a7773938e528271033385465e4f13468
Reviewed-on: https://dart-review.googlesource.com/c/79380
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Zach Anderson <zra@google.com>
2018-10-12 14:54:48 +00:00
Alexander Markov 3cf0008b13 [vm/bytecode] Remove dependencies on ASTs when running with bytecode
Also, enable dropping ASTs from kernel files when testing in dartkb mode.

Change-Id: Iec82f1b76e3b8a9eb692de325d7645d8f271e03e
Reviewed-on: https://dart-review.googlesource.com/c/79087
Auto-Submit: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Zach Anderson <zra@google.com>
Reviewed-by: Zach Anderson <zra@google.com>
2018-10-11 15:11:26 +00:00
Martin Kustermann f0a30bc8d1 Revert "[vm] Add a library and class cache to KernelProgramInfo"
This reverts commit b99bcfd309.

Reason for revert: Causes flaky crashes.

Issue https://github.com/dart-lang/sdk/issues/34757


Original change's description:
> [vm] Add a library and class cache to KernelProgramInfo
> 
> Also create fewer handles in the KernelLoader.
> 
> GenKernelKernelReadAllBytecode improves a further
> 15-20% after removing the timeline event argument
> in the bytecode reader.
> 
> Change-Id: Ida7e74129ccb4c997bb74e7bb51cdae053587254
> Reviewed-on: https://dart-review.googlesource.com/c/78710
> Commit-Queue: Zach Anderson <zra@google.com>
> Reviewed-by: Alexander Markov <alexmarkov@google.com>
> Reviewed-by: Siva Annamalai <asiva@google.com>

TBR=aam@google.com,alexmarkov@google.com,zra@google.com,asiva@google.com

Change-Id: I13f118862764ebc7d8d36b482b11082348b80f39
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/79204
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
2018-10-11 09:21:15 +00:00
Ryan Macnak 662ff7f112 [vm] Remove TokenStream, TokenValue, CompilerStats.
(CompilerStats timers have been replaced with the timeline events.)

Change-Id: Iddcb752c085de9762eb802371b6d2905fa608a76
Reviewed-on: https://dart-review.googlesource.com/c/79086
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2018-10-10 21:39:45 +00:00
asiva a933f42b9e [VM] Use Symbols::Empty() when there is no source for a script instead of creating new empty string objects.
Change-Id: I8ec6702557b07c4c4ede2aece5a3f25b4cde1a5b
Reviewed-on: https://dart-review.googlesource.com/c/79060
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Siva Annamalai <asiva@google.com>
2018-10-10 21:25:46 +00:00
Zach Anderson b99bcfd309 [vm] Add a library and class cache to KernelProgramInfo
Also create fewer handles in the KernelLoader.

GenKernelKernelReadAllBytecode improves a further
15-20% after removing the timeline event argument
in the bytecode reader.

Change-Id: Ida7e74129ccb4c997bb74e7bb51cdae053587254
Reviewed-on: https://dart-review.googlesource.com/c/78710
Commit-Queue: Zach Anderson <zra@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
2018-10-10 20:19:14 +00:00
Ryan Macnak b8760fed67 [vm, compiler] Remove ASTs and AST flow graph builder.
Change-Id: I4d3c6500577d5285ced327954040dab42ba92341
Reviewed-on: https://dart-review.googlesource.com/c/78823
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
2018-10-10 18:00:21 +00:00
Martin Kustermann 16ddfc1565 [VM] Use assert assignable implementation for explicit downcasts
This makes explicit downcasts more efficient by re-using the
optimizations we already have for implicit downcasts.

For implicit/explicit as checks we use the symbol to distinguish which
exception to throw if the check fails.  So this does not actually
require unification of _CastError and _TypeError.

Issue https://github.com/dart-lang/sdk/issues/34582
Issue https://github.com/dart-lang/sdk/issues/30632
Issue https://github.com/dart-lang/sdk/issues/30571

Change-Id: I7b8818d2698e249c90a3e1b8790bad69ada649a9
Reviewed-on: https://dart-review.googlesource.com/c/78748
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2018-10-10 12:36:42 +00:00
Samir Jindel a66cae48fc [vm/aot] Dynamic invocation forwarders in AOT.
Significant improvements to several benchmarks, including Tracer, Sudoku and DeltaBlue,
see internal dashboard for details.

Flutter Gallery code size +0.7%.

Change-Id: I5df30bbfdd83a54e739ef6b64044141a80688d75
Cq-Include-Trybots: luci.dart.try:vm-kernel-win-release-x64-try, vm-kernel-optcounter-threshold-linux-release-x64-try, vm-kernel-precomp-linux-debug-x64-try, vm-kernel-precomp-linux-release-simarm-try, vm-kernel-precomp-linux-release-simarm64-try, vm-kernel-precomp-linux-release-x64-try, vm-kernel-precomp-win-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/77805
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Samir Jindel <sjindel@google.com>
2018-10-09 17:23:43 +00:00
Zach Anderson b4b02a6bde [vm] Include bytecode in core-jit and app-jit snapshots
when the --enable_interpreter flag is passed to gen_snapshot/dart.

Change-Id: I6e9481e1793e4c97fd6b14b56e55aafcb044fc23
Reviewed-on: https://dart-review.googlesource.com/c/78150
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Zach Anderson <zra@google.com>
2018-10-08 19:51:10 +00:00
Alexander Aprelev 08f6b34f78 Revert "[vm] Assert that we are not trying to construct old(reloaded) class constructor."
This reverts commit ff3a841e2d as it
breaks quite a few reload buildbots tests.

Change-Id: I6e1d0bc6b69d4349e2ee47cb3419ec90ea129384
Reviewed-on: https://dart-review.googlesource.com/c/78380
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
2018-10-05 22:06:18 +00:00
Alexander Aprelev ff3a841e2d [vm] Assert that we are not trying to construct old(reloaded) class constructor.
Construction of old class constructor is not possible since we didn't keep its fields, its structure.

Change-Id: I1e2239c0aa1012737e94c8ba42b0fc07a732b61d
Reviewed-on: https://dart-review.googlesource.com/c/77986
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
2018-10-05 15:52:31 +00:00
Alexander Markov 46983c2de9 [vm/aot/tfa] Detect if a method/setter is called from this
This information could useful in AOT to omit unchecked entry points.

Change-Id: I1c54720e46d578dc64f67306abdf4619a34ae122
Reviewed-on: https://dart-review.googlesource.com/c/77921
Auto-Submit: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Samir Jindel <sjindel@google.com>
2018-10-04 11:26:44 +00:00
Alexander Markov 6d0601a72b [vm/bytecode] Add bytecodes for int operations and '== null'
DeltaBlue performance in pure interpreted mode
(--enable-interpreter --compilation-counter-threshold=-1):
Before: DeltaBlue(RunTime): 269198.732 us.
After:  DeltaBlue(RunTime): 158216.34376923076 us. (-41.23%)

Change-Id: I9dea8d7949421986ee6fbdeae046fe4ef6d3227f
Reviewed-on: https://dart-review.googlesource.com/c/77231
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-10-03 15:45:36 +00:00
Zach Anderson 07a2130724 [vm] Set translation helper allocation space in kernel loader
This mainly prevents Strings that will eventually be turned into
symbols anyway from being allocated in new space.

Picks up a couple percent during kernel loading.
Possibly avoids triggering a scavenge?

Change-Id: Ide3dca13306981131e6152004e068c2154f9fc4c
Reviewed-on: https://dart-review.googlesource.com/77484
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Zach Anderson <zra@google.com>
2018-10-01 22:18:34 +00:00
Alexander Markov 2aac05fe10 [vm/bytecode] Add specialized JumpIf* instructions
This change adds JumpIfEqStrict, JumpIfNeStrict, JumpIfTrue, JumpIfFalse,
JumpIfNull, JumpIfNotNull bytecode instructions. These instructions
supercede If*/Jump instruction patterns.

Change-Id: Icf9dc624001ce64d4b21409864591d693ead51d3
Reviewed-on: https://dart-review.googlesource.com/77011
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-09-28 16:29:23 +00:00
Alexander Markov 5d10974a89 [vm/bytecode] Use _simpleInstanceOf for certain 'is' checks in bytecode
DeltaBlue benchmark, platform with bytecode, pure interpreter mode
(--enable-interpreter --compilation-counter-threshold=-1), best of 5 runs:
Before: DeltaBlue(RunTime): 391061.47400000005 us.
After: DeltaBlue(RunTime): 285747.36557142856 us.

Change-Id: I875f227cf19e0f75687c13910b1d957ee595652b
Reviewed-on: https://dart-review.googlesource.com/76708
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-09-26 21:50:41 +00:00
Régis Crelier 79d639a3a8 [VM interpreter/bytecode] Modify argument order for AssertAssignable bytecode.
The new argument order matches the runtime call and requires less copying.
Simplify Function::HasCode()
Remove obsolete workaround when updating type test cache.

Change-Id: I57c988f97ee2259a22730f445f336cd2a085959e
Reviewed-on: https://dart-review.googlesource.com/76584
Commit-Queue: Régis Crelier <regis@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2018-09-26 21:15:16 +00:00
Alexander Markov 62d154f6a3 [vm/bytecode] Record null-initialized fields in bytecode
If a field is initialized with null (either explicitly or implicitly),
field store can be omitted in bytecode. In such case, bytecode should
still convey the information about this initialization to VM for
field guards to work correctly.

Change-Id: I1fd45b858c3c521b97fa5dbffe0e15b1ea75d92f
Reviewed-on: https://dart-review.googlesource.com/76060
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2018-09-24 17:56:35 +00:00
Alexander Markov 46ec629096 [vm/bytecode] Trigger JIT-compilation from interpreter
Performance on Richards benchmark (no bytecode in platform, release build):

Interpreter (--enable-interpreter --compilation-counter-threshold=-1)
Richards(RunTime): 177228.34433333334 us.

Interpreter + bytecode compilation with default threshold 10 (--enable-interpreter)
Richards(RunTime): 930.8050725919032 us.
Varies from run to run, spikes up to 4178.005912317328 (no OSR yet, only background compilation).

Bytecode compilation (--use-bytecode-compiler)
Richards(RunTime): 830.1371626556016 us

Default pipeline:
Richards(RunTime): 880.1557113946327 us.

Numbers on Richards benchmark (platform with bytecode, release build):

Interpreter (--enable-interpreter --compilation-counter-threshold=-1)
Richards(RunTime): 354553.6346666667 us.

Interpreter + compilation with default threshold 10 (--enable-interpreter)
Richards(RunTime): 934.7108855140189 us.

Bytecode compilation (--use-bytecode-compiler)
Richards(RunTime): 822.74178403949 us.


Change-Id: Ic13e9f7c7d98f2930e6de4c4f74bac4d28478249
Reviewed-on: https://dart-review.googlesource.com/75781
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-09-20 20:57:08 +00:00
Alexander Markov 3263550e86 [vm] Decouple bytecode reading from compilation
This way requests to compile won't end prematurely after reading
bytecode if interpreter is enabled.

Change-Id: Ic06cae98ea65bc4656ef491fbd306d34b0e1ef4c
Reviewed-on: https://dart-review.googlesource.com/75628
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-09-20 16:22:33 +00:00
Ryan Macnak 0c80630577 [vm] Fix ia32/x64 gcc build.
(The simulators are broken at runtime.)

Change-Id: I10089cad44fca57145cfdd598342279f07c6d7fd
Reviewed-on: https://dart-review.googlesource.com/75205
Reviewed-by: Régis Crelier <regis@google.com>
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2018-09-17 22:27:43 +00:00