Commit Graph

1279 Commits

Author SHA1 Message Date
Alexander Markov 907c7fde19 [vm] Remove hardcoded context index of _future variable in _Future.timeout and Future.wait
Previously VM had a hardcoded constant values for context indices of
_future variables in _Future.timeout and Future.wait (used while
collecting stack traces). As those variables are allocated in
the context after captured parameters, their indices depend on
whether the parameters are captured.

I'd like to improve tree shaking so that it will remove
part of Future.wait method and make one of the parameters
not captured, which changes the context index (and it may vary
between modes and for different programs).

So, instead of hardcoding those indices, they are now calculated
at compile time and stored in ObjectStore. This is more flexible
and accommodates for future changes in tree shaker.

TEST=existing tests

Change-Id: I47629b41e497843fe3e998e813e793cf77c18bdd
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/207202
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Clement Skau <cskau@google.com>
2021-07-19 17:11:29 +00:00
Ryan Macnak b1c09ecd8f [vm] Make naming more consistent when converting between handles, tagged and untagged pointers.
Currently we have things called XPtr which are not what you get from ptr().

Old world:
handle->raw() returns RawObject* (tagged)
raw_obj->ptr() returns RawObject* (untagged)

After 6fe15f6df9:
handle->raw() returns ObjectPtr
obj_ptr->ptr() returns ObjectLayout*

New world:
handle->ptr() returns ObjectPtr
obj_ptr->untag() returns UntaggedObject*

TEST=ci
Change-Id: I6c7f34014cf20737607caaf84979838300d12df2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149367
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2021-01-15 23:32:02 +00:00
Alexander Aprelev fce355b8b0 [vm/fields] Always clone fields when running an optimizing compiler, even when it runs on the mutator thread.
Attempts to run class finalizaton on background thread revealed the problem where during optimization(which could run on mutator thread too) we might need to finalize previously unseen class, load annotatons for it, load and set some constant fields. This could result in updating Fields guarded_cid, requires check during installation of newly produced optimized code. Because mutator thread is currently exempt from cloning and validating fields guards, that could result in invalid optimized code installation.

This CL ensures that fields are always cloned in optimizing compiler even when it runs on mutator thread.

Ability to run multiple optimizing compilers is also needed for dartbug.com/36097.

Issue https://github.com/dart-lang/sdk/issues/36097

TEST=existing test suite with ltw isolate groups enabled, https://dart-review.googlesource.com/c/sdk/+/176300 mocked up test(still to be improved).

Change-Id: I608f4abff30b468cb9d0ab270221a0ba72c32470
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/175341
Commit-Queue: Alexander Aprelev <aam@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-12-17 00:22:13 +00:00
Tess Strickland 3b9b77964d Reland "[vm/compiler] Move AssertAssignables out of closure bodies."
This is a reland of 42c76fd910

Main issue was due to the parameter order of the invoke field dispatcher
not matching the argument order described by its saved arguments
descriptor. There's no reason for it not to, so now it does.

Also fixes some issues with stack trace tests that failed due to
increased deduplication of closures by forbidding deduplication for
those tests.

TEST=Run on trybots of all architectures as well as flutter engine
trybot, new test added for downstream issues seen after initial landing.

Original change's description:
> [vm/compiler] Move AssertAssignables out of closure bodies.
>
> This CL moves the final set of checks out of closure bodies and into
> dynamic closure call dispatchers.  It also adds stubs for checking top
> types and null assignability for types only known at runtime.
>
> Fixes https://github.com/dart-lang/sdk/issues/40813 .
>
> Changes in Flutter gallery in release mode:
>
> * arm7: -3.05% total, +0.99% vmisolate, -0.89% isolate,
>         -1.20% readonly, -4.43% instructions
> * arm8: -3.20% total, +0.99% vmisolate, -0.88% isolate,
>         -1.18% readonly, -5.05% instructions
>
> TEST=Run on trybots of all architectures, includes test adjustments where needed.
>
> Cq-Include-Trybots: luci.dart.try:vm-kernel-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-nnbd-linux-debug-ia32-try,vm-kernel-precomp-linux-debug-simarm_x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-nnbd-linux-debug-simarm_x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-nnbd-linux-release-simarm-try,vm-kernel-nnbd-linux-release-simarm64-try,vm-kernel-precomp-linux-release-simarm-try,vm-kernel-precomp-linux-release-simarm64-try,vm-kernel-precomp-nnbd-linux-release-simarm64-try
> Change-Id: Ifb136c64339be76a642ecbb4fda26b6ce8f871f9
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/166622
> Commit-Queue: Tess Strickland <sstrickl@google.com>
> Reviewed-by: Martin Kustermann <kustermann@google.com>
> Reviewed-by: Régis Crelier <regis@google.com>

Change-Id: Ic5ec59cf355f7779bb82db798d97d762ba1e5556
Cq-Include-Trybots: luci.dart.try:vm-kernel-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-nnbd-linux-debug-ia32-try,vm-kernel-precomp-linux-debug-simarm_x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-nnbd-linux-debug-simarm_x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-nnbd-linux-release-simarm-try,vm-kernel-nnbd-linux-release-simarm64-try,vm-kernel-precomp-linux-release-simarm-try,vm-kernel-precomp-linux-release-simarm64-try,vm-kernel-precomp-nnbd-linux-release-simarm64-try,vm-kernel-precomp-linux-product-x64-try,vm-kernel-linux-product-x64-try,flutter-engine-linux-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/172644
Commit-Queue: Tess Strickland <sstrickl@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-11-18 22:42:31 +00:00
Tess Strickland 7555f5fe63 Revert "[vm/compiler] Move AssertAssignables out of closure bodies."
This reverts commit 42c76fd910.

Reason for revert: Failures in flutter/google3. Initial hypothesis is related to product mode and instruction deduplication.

Original change's description:
> [vm/compiler] Move AssertAssignables out of closure bodies.
>
> This CL moves the final set of checks out of closure bodies and into
> dynamic closure call dispatchers.  It also adds stubs for checking top
> types and null assignability for types only known at runtime.
>
> Fixes https://github.com/dart-lang/sdk/issues/40813 .
>
> Changes in Flutter gallery in release mode:
>
> * arm7: -3.05% total, +0.99% vmisolate, -0.89% isolate,
>         -1.20% readonly, -4.43% instructions
> * arm8: -3.20% total, +0.99% vmisolate, -0.88% isolate,
>         -1.18% readonly, -5.05% instructions
>
> TEST=Run on trybots of all architectures, includes test adjustments where needed.
>
> Cq-Include-Trybots: luci.dart.try:vm-kernel-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-nnbd-linux-debug-ia32-try,vm-kernel-precomp-linux-debug-simarm_x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-nnbd-linux-debug-simarm_x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-nnbd-linux-release-simarm-try,vm-kernel-nnbd-linux-release-simarm64-try,vm-kernel-precomp-linux-release-simarm-try,vm-kernel-precomp-linux-release-simarm64-try,vm-kernel-precomp-nnbd-linux-release-simarm64-try
> Change-Id: Ifb136c64339be76a642ecbb4fda26b6ce8f871f9
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/166622
> Commit-Queue: Tess Strickland <sstrickl@google.com>
> Reviewed-by: Martin Kustermann <kustermann@google.com>
> Reviewed-by: Régis Crelier <regis@google.com>

TBR=kustermann@google.com,regis@google.com,sstrickl@google.com

Change-Id: Iaf79acddcf18fb3699a894950b31515d6f759349
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/172643
Commit-Queue: Tess Strickland <sstrickl@google.com>
Reviewed-by: Tess Strickland <sstrickl@google.com>
2020-11-18 08:17:21 +00:00
Tess Strickland 42c76fd910 [vm/compiler] Move AssertAssignables out of closure bodies.
This CL moves the final set of checks out of closure bodies and into
dynamic closure call dispatchers.  It also adds stubs for checking top
types and null assignability for types only known at runtime.

Fixes https://github.com/dart-lang/sdk/issues/40813 .

Changes in Flutter gallery in release mode:

* arm7: -3.05% total, +0.99% vmisolate, -0.89% isolate,
        -1.20% readonly, -4.43% instructions
* arm8: -3.20% total, +0.99% vmisolate, -0.88% isolate,
        -1.18% readonly, -5.05% instructions

TEST=Run on trybots of all architectures, includes test adjustments where needed.

Cq-Include-Trybots: luci.dart.try:vm-kernel-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-nnbd-linux-debug-ia32-try,vm-kernel-precomp-linux-debug-simarm_x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-nnbd-linux-debug-simarm_x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-nnbd-linux-release-simarm-try,vm-kernel-nnbd-linux-release-simarm64-try,vm-kernel-precomp-linux-release-simarm-try,vm-kernel-precomp-linux-release-simarm64-try,vm-kernel-precomp-nnbd-linux-release-simarm64-try
Change-Id: Ifb136c64339be76a642ecbb4fda26b6ce8f871f9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/166622
Commit-Queue: Tess Strickland <sstrickl@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2020-11-17 22:05:18 +00:00
Alexander Markov 7588ed86de Remove bytecode mode from the VM
Change-Id: Ief167b7ffc128105a03cc225ab750234c9a6a7a0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/169147
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
2020-10-28 17:42:35 +00:00
Tess Strickland d9685d1c4c [vm/compiler] Move type argument type checks out of closure bodies.
These checks are now performed in the dynamic closure call dispatcher.
To avoid having to create type argument vectors (TAVs) for default type
arguments at runtime, we cache a compile-time created TAV in the
ClosureData for the closure function which is retrieved by the
dispatcher when needed.

We also keep an associated packed field of information that can also be
determined at compile time:

* Whether the cached TAV needs instantiation or can share its
  instantiator or function type arguments.

* The number of parent type parameters.

The former allows the generated IL to keep the invariant that the
InstantiateTypeArguments instruction (and the runtime entry it calls) is
only used for uninstantiated TAVs.

Also changes the destination name to an Value input for the
AssertSubtype instruction and adds handling for non-constant types and
names in that instruction's backend.

Additional changes:

* Adds new slots for ClosureData, Function, and TypeArguments.

* Adds a new kUnboxedUint8 representation (needed for
  TypeParameterLayout::flags_, which is of type uint8_t).

  * Extends LoadField to handle uint8_t unboxed native fields.

  * Adds BoxUint8 for boxing unboxed uint8_t values.

Code size impact on Flutter gallery in release mode:

* arm7: total +0.08%, vmisolate: +0.56%, isolate: +0.42%,
        readonly: -0.04%, instructions: -0.03%

* arm8: total +0.12%, vmisolate: +0.56%, isolate: +0.42%,
        readonly: -0.002%, instructions: +0.03%

Cq-Include-Trybots: luci.dart.try:vm-kernel-linux-debug-ia32-try,vm-kernel-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-ia32-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-precomp-linux-debug-simarm_x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-nnbd-linux-debug-simarm_x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-nnbd-linux-release-simarm-try,vm-kernel-nnbd-linux-release-simarm64-try,vm-kernel-precomp-linux-release-simarm-try,vm-kernel-precomp-linux-release-simarm64-try,vm-kernel-precomp-nnbd-linux-release-simarm64-try
Bug: https://github.com/dart-lang/sdk/issues/40813
Change-Id: I5a7de27a17e3119e27752bd0d10e1c6bc1b52a16
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/158844
Commit-Queue: Tess Strickland <sstrickl@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2020-10-26 18:48:18 +00:00
Tess Strickland 264730e28d [vm] Store default arguments in TypeParameters.
Previously, we only loaded the default arguments for type parameters
(those used when instantiating to bounds because no explicit type
arguments were provided) directly from the kernel at compile time to
generate default type argument handling for function code. Thus, the
only trace of the default type arguments at runtime were code constants,
and there was no way to access them if needed in the runtime. This means
for runtime checks, like in Function::DoArgumentTypesMatch, we ended up
creating our own instantiate-to-bounds implementation.

Instead, read the default arguments for type parameters and store them
when creating TypeParameter objects. This allows the runtime to use the
default type argument information provided by the front end, ensuring we
don't need to maintain our own instantiate-to-bounds implementation.

This adds only a slight overhead to snapshot size. Using the Flutter
gallery in release mode for example:

* arm7: read-only data: +0.05%, isolate: +0.04%, total: +0.02%

* arm8: read-only data: +0.00%, isolate: +0.04%, total: +0.01%

Cq-Include-Trybots: luci.dart.try:vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-linux-debug-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try
Change-Id: Ib14976d520b2089454b5172d608e06e84baf5ab0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/168101
Reviewed-by: Régis Crelier <regis@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Tess Strickland <sstrickl@google.com>
2020-10-23 22:40:55 +00:00
Aske Simon Christensen 68fd2a9d52 [vm/jit] Pessimize type assumption in LoadLocal of covariant parameter.
This avoids unsound optimizations that could arise from loading a
parameter before its type had been checked.

Affects only unoptimized code.

Fixes https://github.com/dart-lang/sdk/issues/43464

Some considerations for a cleaner fix are described in
https://github.com/dart-lang/sdk/issues/43654

Change-Id: I05872e46495313e82e9c516e5f283e1bc4612300
Cq-Do-Not-Cancel-Tryjobs: true
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/164500
Commit-Queue: Aske Simon Christensen <askesc@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-10-02 16:17:58 +00:00
Tess Strickland 3d77741666 [vm/compiler] Unify name checking in dynamic closure call dispatchers.
Instead of possibly looping over the closure function parameter names
array multiple times, just do it once. Check each entry against the
provided argument names. If none match, check the required bit (if in
null-safe mode). Also keep a count of matched names to check that all
provided names matched after the iteration.

Now that optional name checking is part of the fragment built by
BuildClosureCallArgumentsValidCheck, that method builds checks for
exactly the same things as its namesake in Function.

Also refactor the variables used by the checker into read/write ones
that need to be allocated in the parsed function and read-only ones
that can just be temporaries since no Phi nodes are needed.

Cq-Include-Trybots: luci.dart.try:vm-kernel-linux-release-x64-try,vm-kernel-precomp-linux-product-x64-try,vm-kernel-linux-debug-x64-try,vm-kernel-precomp-linux-release-simarm_x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try
Bug: https://github.com/dart-lang/sdk/issues/40813
Change-Id: I3cb421dd538629d7f5499f3bbf0653d34b850dce
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/160725
Commit-Queue: Tess Strickland <sstrickl@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Daco Harkes <dacoharkes@google.com>
2020-09-10 07:12:14 +00:00
Tess Strickland 787446213c [vm/compiler] Move argument shape (not type) checks out of closures.
This CL performs the following checks in the invoke field dispatcher for
dynamic closure calls when lazy dispatchers are enabled:

* The provided function type arguments vector (if any) has the correct
  length.

* No function type arguments should be provided if the closure has
  delayed type arguments.

* All required arguments (positional in all modes, named in appropriate
  null safety modes) have been provided by the caller.

* If there are optional positional arguments, an appropriate number
  has been provided.

* If there are optional named arguments, their names are valid.

Since the runtime already handles checking the argument shapes when lazy
dispatchers are disabled, these checks are now completely removed from
closure bodies in all cases. Thus, the only remaining checks in closure
bodies are the type checks performed by AssertSubtype and
AssertAssignable when lazy dispatchers are enabled.

Changes in the Flutter Gallery:

* ARM7, release: -3.61% instructions, -2.19% total
* ARM7, sizeopt: -3.62% instructions, -2.55% total
* ARM8, release: -3.66% instructions, -1.98% total
* ARM8, sizeopt: -3.65% instructions, -2.37% total

Most of these changes are already exercised by existing tests such as
(but not limited to):

* corelib{,_2}/dynamic_nosuchmethod_test
* language{,_2}/call/call_test
* language{,_2}/closure/tearoff_dynamic_test
* language{,_2}/generic/function_bounds_test
* language{,_2}/parameter/named_with_conversions_test
* language{,_2}/vm/no_such_args_error_message_vm_test

I've added one test to specifically check the interaction between
dynamic calls and required named parameters. There is some coverage in
other NNBD tests, but those are not directly focused on testing this
specifically.

Other changes:

* Adds initial cached ranges for certain BinarySmiOp and ShiftIntegerOp
  instructions when the RHS is a constant, to avoid false negatives for
  deoptimization and throw checks prior to range analysis.

* Adds new slots for various Function fields.

* Adds the ability to define unboxed native slots, which are always
  unboxed after retrieval even in unoptimized code. In the first
  iteration, the backend only handles loads from Uint32 unboxed native
  slots. Part of https://github.com/dart-lang/sdk/issues/42793.

* Removed the special handling for loading from non-nullable int fields
  in AOT compilation. Instead, their treatment is unified with the
  treatment of the new unboxed native fields, since the source field is
  always unboxed and the result of the load is also always unboxed, as
  code involving them is always optimized.

Bug: https://github.com/dart-lang/sdk/issues/40813
Change-Id: Ia02aa3e872c1fefd906fd67b55021ea1797556e4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/155604
Commit-Queue: Tess Strickland <sstrickl@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2020-08-17 08:58:08 +00:00
Vyacheslav Egorov 2cc824043d [vm/compiler] Ensure we emit catch entry move for receiver when it is captured
We have a special logic which excludes captured parameters from the catch
entry moves (assuming that they will be reloaded from the context). Because
this logic is well hidden it was not updated when we changed our handling of
the captured receiver in 078806851c

Fixes https://github.com/dart-lang/sdk/issues/40809
Fixes https://github.com/flutter/flutter/issues/47482

Change-Id: I2f036204c2ac3a18c6f91d9ccb664eaee729d426
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/137965
Reviewed-by: Samir Jindel <sjindel@google.com>
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
2020-03-02 20:09:42 +00:00
Alexander Markov f56b0f6907 [vm/aot/tfa] Whole-program constant propagation
Size:
flutter_gallery total size -2.48% (arm), -2.3% (arm64)
flutter_gallery instructions size -2.91% (arm), -2.77% (arm64)
velocity_tracker_bench total size -7.5% (arm), -7.1% (arm64)

Performance:
SkeletalAnimation +46.02% (Intel Core i5), +37.75% (Intel Xeon), +24.86% (arm), +39.75% (arm64).
FfiMemory.Pointer* +44-64% (x64)
FfiMemory.PointerPointer +436-465% (x64), +443% (arm64).

Issue: https://github.com/dart-lang/sdk/issues/37710

Change-Id: I6221bfa02b165ccc17d4ee8b857bb89212febaff
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/125936
Reviewed-by: Régis Crelier <regis@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2019-12-04 19:19:29 +00:00
Ryan Macnak 84db16381d [vm] Remove dead --load_deferred_eagerly and dependent code tracking for library prefixes.
Since Dart 2, library prefixes are always loaded eagerly on the VM.

Also remove reload check for deferred prefixes. This check was added to avoid behavior of library prefixes giving spurious "not loaded" errors after a reload, but now this error can never occur. Resolves a difference in reload between AST and bytecode modes, since bytecode mode isn't surfacing the deferred property.

Change-Id: Ide5fb6cac2efc90ca1b108a35bc09d342cbd60de
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/116051
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2019-09-06 23:37:33 +00:00
Alexander Markov 8ad0832bcb [vm/bytecode] Use static types of parameters when compiling from bytecode
Change-Id: Iefcad78db4bd05542ff5c05ebf298bfa6154810f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/115773
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Reviewed-by: Aart Bik <ajcbik@google.com>
2019-09-06 21:04:09 +00:00
Ryan Macnak 2be92b08c2 [vm] Remove more of the Dart 1 compiler.
Change-Id: Ib00e040f44275b9437e7fc622bf285607f4e4124
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/105681
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2019-06-12 01:00:29 +00:00
Samir Jindel 85f8d3c047 [vm] Build FFI trampolines with IL.
Bugs fixed: dartbug.com/36033, dartbug.com/36034, dartbug.com/36155.

Change-Id: Ic463dd2d299018e03f840ecedc8b7dfa350c6b95
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/94860
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Aart Bik <ajcbik@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2019-03-15 12:38:54 +00:00
Alexander Markov b1a3629547 [vm] Move receiver variable to ParsedFunction, add ParameterVariable()
This refactoring moves receiver variable (previously known as this_variable)
from ScopeBuildingResult into ParsedFunction, like other special variables.
This is done as ScopeBuildingResult is AST-specific and not available
in bytecode, but certain flow graph builders use receiver variable
(for example to load instantiator type arguments for type arguments
checks).

This CL also introduces convenience ParsedFunction::ParameterVariable()
method to reduce repetitive incantations

  parsed_function->node_sequence()->scope()->VariableAt(..)

to a more readable

  parsed_function->ParameterVariable(..)

Change-Id: I427536abfa412de9916b79cf2e56e06f2f2f1d71
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/96842
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Auto-Submit: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Aart Bik <ajcbik@google.com>
2019-03-14 00:25:56 +00:00
Alexander Markov f2a8e71ff9 [vm] Decouple flow graph building of implicit closure functions from kernel reading
Change-Id: I6bf5ad6ed76c363904ae1765d8303eff4a799363
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/95706
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2019-03-07 18:09:48 +00:00
Alexander Markov 51a334caa7 [vm] Remove kernel reading from BuildArgumentTypeChecks
This change is a preparation for decoupling flow graph building of
special functions from kernel reading.

Change-Id: Ied90bc6894cdfa48f49c71e980079967c8c4fbb9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/95061
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Auto-Submit: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-03-05 18:48:51 +00:00
asiva 0ca1c57593 Reland "[VM] Remove unused flags"
This is a reland of 1a4cff1bd4

Original change's description:
> [VM] Remove unused flags
> 
> Remove the following flags which are always ON
> --strong
> --reify_generic_functions
> 
> and these flags which are not applicable anymore
> --error-on-bad-override
> --error-on-bad-type
> --enable-type-checks
> 
> Change-Id: I6e1aeb68e663953f4ae49ca94ea0daa87b661900
> Reviewed-on: https://dart-review.googlesource.com/c/79431
> Commit-Queue: Siva Annamalai <asiva@google.com>
> Reviewed-by: Alexander Markov <alexmarkov@google.com>
> Reviewed-by: Régis Crelier <regis@google.com>

Change-Id: Ib4452c22fb05eed38820708abb648939e03b1df0
Reviewed-on: https://dart-review.googlesource.com/c/84923
Reviewed-by: Siva Annamalai <asiva@google.com>
2018-11-20 17:25:42 +00:00
Siva Annamalai f6c41ac3bc Revert "[VM] Remove unused flags"
This reverts commit 1a4cff1bd4.

Reason for revert: The precompiled arm bot failed a test.

Original change's description:
> [VM] Remove unused flags
> 
> Remove the following flags which are always ON
> --strong
> --reify_generic_functions
> 
> and these flags which are not applicable anymore
> --error-on-bad-override
> --error-on-bad-type
> --enable-type-checks
> 
> Change-Id: I6e1aeb68e663953f4ae49ca94ea0daa87b661900
> Reviewed-on: https://dart-review.googlesource.com/c/79431
> Commit-Queue: Siva Annamalai <asiva@google.com>
> Reviewed-by: Alexander Markov <alexmarkov@google.com>
> Reviewed-by: Régis Crelier <regis@google.com>

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

Change-Id: Ib0fe4f33c044047ef1cb31bca9d38591176b7d40
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/84883
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Siva Annamalai <asiva@google.com>
2018-11-20 07:32:11 +00:00
asiva 1a4cff1bd4 [VM] Remove unused flags
Remove the following flags which are always ON
--strong
--reify_generic_functions

and these flags which are not applicable anymore
--error-on-bad-override
--error-on-bad-type
--enable-type-checks

Change-Id: I6e1aeb68e663953f4ae49ca94ea0daa87b661900
Reviewed-on: https://dart-review.googlesource.com/c/79431
Commit-Queue: Siva Annamalai <asiva@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2018-11-20 06:41:06 +00:00
Ryan Macnak 94f93f788a [vm] Remove Dart scanner.
Change-Id: I6435aef9574167dda71f7d15852e32e40d38e381
Reviewed-on: https://dart-review.googlesource.com/c/83224
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2018-11-09 00:13:26 +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
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
asiva c9f5c3a79e [VM] Delete access to Dart 1 parser.
- delete access to Dart 1 parser
- Skip codegen unit tests as they use the Dart 1 parser

Change-Id: I24f3986fac9c496e231c723c6eaa0704e6a616f5
Reviewed-on: https://dart-review.googlesource.com/77009
Commit-Queue: Siva Annamalai <asiva@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2018-09-27 23:08:20 +00:00
Alexander Markov c6c4748185 [vm/bytecode] Bytecode compilation
Change-Id: I09192e4e929a397920c217b605580f8c4880e7c2
Reviewed-on: https://dart-review.googlesource.com/74002
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2018-09-14 22:02:29 +00:00
asiva cd3ddede99 Move flags strong/sync-async/reify-generic-functions back to global vm flags (they are not set as isolate specific flags).
Change-Id: I4d5cba4f5ac657a0834e3755312147cff1fbc001
Reviewed-on: https://dart-review.googlesource.com/71426
Commit-Queue: Siva Annamalai <asiva@google.com>
Reviewed-by: Zach Anderson <zra@google.com>
2018-09-07 21:22:13 +00:00
Vyacheslav Egorov 7558644bd6 [vm/compiler] Move compiler state (CHA, deopt id) from Thread to a special class
Also move deopt id computation logic into a separate class and add a comment
explaining while deopt ids are incremented by 2.

Change-Id: Ife489be7d10c7198a8e7adf9e97e0c516d78ea55
Reviewed-on: https://dart-review.googlesource.com/72685
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2018-09-03 16:01:24 +00:00
Régis Crelier 14f3982a1f [VM runtime] Remove broken LongJumpScope::IsSafeToJump().
Over the years, this debug-only code evolved to check that the current stack
pointer is below the last exit frame, which is obviously always the case.

Change-Id: I9b5e1a5462df5b3392b4541e40a9c57d33d25055
Reviewed-on: https://dart-review.googlesource.com/70960
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Régis Crelier <regis@google.com>
2018-08-21 19:29:09 +00:00
Vyacheslav Egorov 8629563009 [vm] Fix few issues with field exactness tracking.
- Don't add dependency on fields that are either unitialized or already marked
as non guarded (guarded cid is kIllegalCid in the first case and kDynamicCid
in the second case).
- Exit early from FieldStore if guarded_cid is kDynamicCid (or we are storing
null into a nullable field).
- Don't track exactness of fields which have function type type.

Also move logic for starting to track fields into class_finalizer because we
need resolved field types to make our decisions.

Change-Id: I164b42abe3108a70b0769f4c78d92459b4e78883
Reviewed-on: https://dart-review.googlesource.com/70620
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2018-08-20 14:08:04 +00:00
Vyacheslav Egorov 7708989538 [vm/intrinsics] Introduce dart:_internal.uncheckedCast.
This function can be used to avoid checked down casts in the parts
of the code where we know by construction that the type of the
value matches expectations.

Use it to avoid down-cast in the _LinkedHashMap.operator[].

Bug: https://github.com/dart-lang/sdk/issues/31798
Change-Id: I80949bfb84dde7716fc23aeba311931970ce16aa
Reviewed-on: https://dart-review.googlesource.com/70511
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2018-08-20 13:25:10 +00:00
Vyacheslav Egorov 6e7bf5efae [vm] Dynamically track exactness of the field's static type on X64.
We say that field's static type G<T0, ..., Tn> is exact if for
any value that can be loaded from this field, its runtime type
T is such that T at G has type arguments exactly equal to
<T0, ..., Tn>.

Know if field's static type is exact allows us to apply optimizations
that require knowing type arguments e.g.

- we can fold o.f.:type_arguments
to a constant value if we know that o.f is trivially exact;
- for method invocations o.f.m(...) we can skip argument type checks
on the callee if we know that o.f is invariant (this optimization will
be enabled once multiple entry points CLs will land).

Bug: https://github.com/dart-lang/sdk/issues/31798

Change-Id: Id565046d45a842625d41feb002b65db48451034c
Reviewed-on: https://dart-review.googlesource.com/69969
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2018-08-17 13:22:02 +00:00
Samir Jindel d8a4a3896a [vm] Multiple entrypoints: backend/assembler support.
Test Plan:

Will be tested by following revisions which introduce optimizations that invoke the
new entrypoint.

Change-Id: I56d714bceb92c44a13c46d52457154b82577aa8c
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/67345
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2018-08-16 17:15:32 +00:00
Samir Jindel 9767af2550 [vm/precomp] Support @pragma for fields and remove associated entry-point entries.
Cq-Include-Trybots: luci.dart.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
Change-Id: I584aae2360771cf0599d9fb1b5ae2735b20d3413
Reviewed-on: https://dart-review.googlesource.com/65820
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2018-08-07 16:47:50 +00:00
Samir Jindel de408202a5 [vm/precomp] Take 4 for procedure- and class-entrypoints.
This reverts commit 08f59e5de3.

There are no changes to take 3 except fixing merge conflicts.

Change-Id: I45d5a16274c80f469827c19f4e4f4ca724e85a67
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/68363
Commit-Queue: Samir Jindel <sjindel@google.com>
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2018-08-07 13:54:27 +00:00
Ben Konyi 08f59e5de3 These changes are causing a segfault in DartEntry::InvokeFunction in dart_entry.cc in Flutter,
which was blocking the Dart SDK roll.

Revert "Take 3 for "[vm/kernel/precomp] Remove procedures from entry points files.""

This reverts commit 567109df7f.

Revert "[vm/precomp] Extend @pragma entry-points to classes."

This reverts commit 232698047c.

Change-Id: Ib63d1afb8a1c978be7ddf282af0e7d5547111cc3
Reviewed-on: https://dart-review.googlesource.com/67300
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2018-07-28 00:01:50 +00:00
Samir Jindel 232698047c [vm/precomp] Extend @pragma entry-points to classes.
Change-Id: I2233dd7552334b02f3c90f78163c1b5bdc159117
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/65702
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2018-07-26 17:45:26 +00:00
Samir Jindel 567109df7f Take 3 for "[vm/kernel/precomp] Remove procedures from entry points files."
I've updated the transformer test. The Windows build error appears to have been spurious.

Take 2 is in patchset 1.

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
Change-Id: I6ef8f70aaf4664e0411e776463e88c2a1068dbcc
Reviewed-on: https://dart-review.googlesource.com/65902
Commit-Queue: Samir Jindel <sjindel@google.com>
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2018-07-26 16:24:59 +00:00
Samir Jindel 98356d3ed8 Revert "Re-land "[vm/kernel/precomp] Remove procedures from entry points files.""
This reverts commit a437b4b469.

Reason for revert: Build on Windows appears broken.

Original change's description:
> Re-land "[vm/kernel/precomp] Remove procedures from entry points files."
> 
> The original revision is in Patchset 1.
> 
> Due to idiosyncrasies of the legacy VM parser, we need to put the @pragma definition
> on both the original and patched definition. Hopefully we can remove these extra definitions
> once Dart 1 AOT is fully obsolete.
> 
> Cq-Include-Trybots: luci.dart.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
> Change-Id: I2515dee2bbf14cece5e75450b1951d45f1250959
> Reviewed-on: https://dart-review.googlesource.com/65545
> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
> Reviewed-by: Alexander Markov <alexmarkov@google.com>
> Commit-Queue: Samir Jindel <sjindel@google.com>

TBR=lrn@google.com,alexmarkov@google.com,sjindel@google.com

Change-Id: I783dcd6f00d1f31907d90651ffbf80a6af1fb98d
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Reviewed-on: https://dart-review.googlesource.com/65960
Reviewed-by: Samir Jindel <sjindel@google.com>
Commit-Queue: Samir Jindel <sjindel@google.com>
2018-07-20 16:57:30 +00:00
Samir Jindel a437b4b469 Re-land "[vm/kernel/precomp] Remove procedures from entry points files."
The original revision is in Patchset 1.

Due to idiosyncrasies of the legacy VM parser, we need to put the @pragma definition
on both the original and patched definition. Hopefully we can remove these extra definitions
once Dart 1 AOT is fully obsolete.

Cq-Include-Trybots: luci.dart.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
Change-Id: I2515dee2bbf14cece5e75450b1951d45f1250959
Reviewed-on: https://dart-review.googlesource.com/65545
Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Samir Jindel <sjindel@google.com>
2018-07-20 14:19:33 +00:00
Samir Jindel 17cca798e5 Revert "[vm/kernel/precomp] Remove procedures from entry points files."
This reverts commit 91dcf654a4.

Reason for revert: Many failures across Dart 1 precompiler bots.

Original change's description:
> [vm/kernel/precomp] Remove procedures from entry points files.
> 
> entry_points_extra_standalone.json is completely removed.
> 
> Cq-Include-Trybots: luci.dart.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
> Change-Id: Ia4fb18aebbb09752e3795cda3a9c66f9c502b23a
> Reviewed-on: https://dart-review.googlesource.com/65325
> Commit-Queue: Samir Jindel <sjindel@google.com>
> Reviewed-by: Alexander Markov <alexmarkov@google.com>

TBR=alexmarkov@google.com,sjindel@google.com

Change-Id: I0df74807fcc8e8fa75a45a411ddf23e385cfc8d5
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Commit-Queue: Samir Jindel <sjindel@google.com>
2018-07-18 16:10:21 +00:00
Samir Jindel 91dcf654a4 [vm/kernel/precomp] Remove procedures from entry points files.
entry_points_extra_standalone.json is completely removed.

Cq-Include-Trybots: luci.dart.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
Change-Id: Ia4fb18aebbb09752e3795cda3a9c66f9c502b23a
Reviewed-on: https://dart-review.googlesource.com/65325
Commit-Queue: Samir Jindel <sjindel@google.com>
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2018-07-18 15:22:41 +00:00
Alexander Markov 7f8db8d06f [vm] Refactoring: extract constant evaluator and fingerprints helper
This CL continues refactoring aimed at isolating StreamingFlowGraphBuilder.

StreamingFlowGraphBuilder dependency is removed from classes
* StreamingConstantEvaluator (it still depends on FlowGraphBuilder)
* ConstantHelper
* SimpleExpressionConverter
and several methods in object.cc.

StreamingConstantEvaluator and ConstantHelper are moved from
kernel_binary_flowgraph{.h, .cc} to a new source file
constant_evaluator{.h, .cc}. StreamingConstantEvaluator is renamed
to ConstantEvaluator.

KernelFingerprintHelper and KernelSourceFingerprintHelper are moved to
a new source file kernel_fingerprints{.h, .cc}.

Instances of kernel::FlowGraphBuilder no longer contain back reference
to a StreamingFlowGraphBuilder. In order to drop this circular dependency
TranslateFinallyFinalizers() is moved from FlowGraphBuilder to
StreamingFlowGraphBuilder.

Change-Id: Id550d22b3567dea9512328a900935bd6145a8107
Reviewed-on: https://dart-review.googlesource.com/64463
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2018-07-11 21:30:13 +00:00
Alexander Markov 98391f2737 [vm] Refactoring: move StreamingScopeBuilder out of kernel_binary_flowgraph
After previous refactoring, StreamingScopeBuilder no longer depends on
StreamingFlowGraphBuilder.

This CL moves StreamingScopeBuilder to a separate file
vm/compiler/frontend/scope_builder{.h, .cc}.

Also:
* StreamingScopeBuilder is renamed to ScopeBuilder.
* IntMap is moved to hash_map.h.
* Minor cleanup of unused forward declarations and friend classes.
Change-Id: I5e780a53f37935c0a1d563d4fbaec3a92ae13d6a
Reviewed-on: https://dart-review.googlesource.com/63692
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-07-07 19:00:12 +00:00
Régis Crelier 008aa729c5 [VM interpreter] Support implicit getters and setters without compiling them.
Change-Id: I1e61cd79f66efe55c963d970e27f81a9d4084600
Reviewed-on: https://dart-review.googlesource.com/61860
Commit-Queue: Régis Crelier <regis@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2018-06-26 20:24:38 +00:00
Ryan Macnak 8da46d35f5 [vm] Move heap-related code to its own subdirectory (cf. compiler).
Remove some dead includes.

Change-Id: I31f3e739e5ee46dcbba5d6a2f091491b46402943
Reviewed-on: https://dart-review.googlesource.com/60146
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2018-06-20 00:39:49 +00:00
Ryan Macnak 9b5a931b06 [vm] Replace most runtime/vm uses of OS::Print with OS::PrintErr.
Leave --print-snapshot-sizes on stdout because it is parsed by Flutter benchmarks.

Replace all runtime/bin uses of OS::Print with Log::Print.

Bug: https://github.com/dart-lang/sdk/issues/32134
Change-Id: I74aacfb410cdfa9270d06e7f6ab0534520c7c7ba
Reviewed-on: https://dart-review.googlesource.com/60021
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2018-06-13 19:51:40 +00:00