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>
E.g. the following program gives a type error, but previously didn't
tell what line had an error. This CL fixes the issue.
```
import "dart:async";
Future<Object> foo() {
return Future.value("hello");
}
main() async {
int x = await foo();
}
```
Change-Id: I27ae483b8b7ca63b9efac555a5cbc651296f227a
Reviewed-on: https://dart-review.googlesource.com/68367
Reviewed-by: Kevin Millikin <kmillikin@google.com>
Commit-Queue: Jens Johansen <jensj@google.com>
Also remove Fragment initializer-list constructor.
Bugs:
1. We were always building the body of a constructor even if the initializers
graph was closed. This would confuse the inliner exit collector which was
informed about return instructions inside the body which were never linked
into the graph.
2. We were not checking for stack overflow on each call to an sync-yielding
closure; only on the first call.
3. Not a behavioral bug, but the prologue flow graph is no longer built out of
order (dartbug.com/29737).
Change-Id: I467fbf171fd627492bf01cd96d6353c57e143eaa
Reviewed-on: https://dart-review.googlesource.com/67561
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Commit-Queue: Samir Jindel <sjindel@google.com>
When logical expression is evaluated in the control context (e.g. if (cond) { ... })
avoid materializing a boolean value and then dispatching on it. Instead connect
true and false successors directly to then and else branches.
This CL also improves IL generated when logical expression is evaluated for value
(e.g. x = (cond)): we similarly avoid materializing intermediate results and also
avoid comparisons that are not needed, e.g. when evaluating x = A && B we construct
graph x = A ? B : false, instead of x = A ? (B == true ? true : false) : false style
of graph.
Change-Id: I204d414cc6751949641b6c46423a6319f6e2d89b
Reviewed-on: https://dart-review.googlesource.com/67562
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
This CL adds experimental --experimental-unsafe-mode-use-at-your-own-risk
VM option which does the following:
* Dart 2 strong mode type and bool checks are omitted.
* VM compiler optimizations which rely on strong mode types are disabled.
Applications which do not fail any strong mode checks at run time
should behave exactly the same in strong and weak modes.
Applications with failing strong mode checks will not see corresponding
errors but VM should not crash.
This option can be used for experiments, or as a temporary remedy for
regressions caused by expensive strong mode type checks.
Change-Id: I042cbccba83c105b61b3e11c659a35c20e0329cd
Reviewed-on: https://dart-review.googlesource.com/65484
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
In certain cases StreamingFlowGraphBuilder was used not for building
flow graph, but as an advanced kernel reader. This CL extracts all such
functionality from StreamingFlowGraphBuilder and revises all such uses.
StreamingFlowGraphBuilder constructors without FlowGraphBuilder are
removed. After this CL StreamingFlowGraphBuilder is only used to build
flow graph, as intended.
Change-Id: I69b08e24d37f8f2f336bee85334af11be1639b24
Reviewed-on: https://dart-review.googlesource.com/64821
Reviewed-by: Régis Crelier <regis@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
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>
Use positions already available in for instance AsExpressions,
also adds new offsets in the kernel format to
SuperInitializer and RedirectingInitializer.
Bug: #33216
Change-Id: I542967ddc6ec782e6513d62fce038a49239e1622
Reviewed-on: https://dart-review.googlesource.com/63883
Commit-Queue: Jens Johansen <jensj@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
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>
StreamingScopeBuilder does not build a flow graph, but it was creating
and using StreamingFlowGraphBuilder under the hood (in order to read kernel).
This change makes StreamingScopeBuilder independent of StreamingFlowGraphBuilder
and prepares StreamingScopeBuilder to be moved out of kernel_binary_flowgraph.
Also, several unused classes, fields and parameters are removed.
Change-Id: I40ff983caf0e548529b3c52f44dcb785bd4e9f40
Reviewed-on: https://dart-review.googlesource.com/63305
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
This change continues refactoring to split kernel_binary_flowgraph and
kernel_to_il and move out parts which have no dependencies on flow graph
construction.
Bytecode reading is moved to a separate file bytecode_reader{.h, .cc}.
Metadata helpers, TypeTranslator, ActiveClass and other Active* are moved
to kernel_translation_helper.
Removed dependency of ICData tags on IL Instruction tags, so ICData objects
can be created by bytecode reader without depending on IL.
Unused AlternativeScriptScope is removed.
Change-Id: Ic9f98af82697b48013fb89802076b56833acf55d
Reviewed-on: https://dart-review.googlesource.com/63262
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
This CL removes all dependencies on StreamingFlowGraphBuilder from
all metadata helpers and StreamingDartTypeTranslator.
This further decouples parts which are not related to flow graph building
and prepares them for moving.
StreamingDartTypeTranslator is also renamed to TypeTranslator.
Change-Id: I4cb90a214fae4f979160cca7ddc3f7fae1c637e8
Reviewed-on: https://dart-review.googlesource.com/62961
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Fix return of native call to bytecode function.
Fix stack level when returning from static field initializer.
Use a zone handle for handled exception types.
Change-Id: I3bd8340208a578f6248190b1aa9b3826d6ad6e48
Reviewed-on: https://dart-review.googlesource.com/62704
Commit-Queue: Régis Crelier <regis@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
This forwarders are used at dynamic call-sites and perform type checking
for all non-generic-covariant arguments. This allows to skip the same
type checks in the actual method body.
This yield on average 10% improvement in performance across the body of
benchmarks including dart2js compilation times.
Bug: https://github.com/dart-lang/sdk/issues/33257
Change-Id: If3fc94a2e0a6f496ec0633f0b379d053a54a40ca
Reviewed-on: https://dart-review.googlesource.com/61244
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Prior to this change we only had fileOffset which points to the name.
This CL adds a field - startFileOffset - that points to the start
(e.g. 'static', 'factory', the return type or any presiding annotation
(including '@')), as well as fixing `Function::GetSource` in the VM to
fix a crash when using mirrors to ask for the source of a function or
constructor.
The field is added to procedures, constructors and classes.
The latter changes the location of classes with annotations to be
the position of the annotation. This is on-par with --no-preview-dart-2.
The change in regards to procedures and constructors mean, that both
the location and the source (from .location and .source on a
MethodMirror) will change to include any annotations. This is a
different behavior than --no-preview-dart-2.
Closes#33271.
Change-Id: I90f1232c5ec2d01e60e0bab070d44c37232b2730
Reviewed-on: https://dart-review.googlesource.com/60560
Commit-Queue: Jens Johansen <jensj@google.com>
Reviewed-by: Kevin Millikin <kmillikin@google.com>
This includes argument type checks and implicit type checks inserted
by front-end.
Also, lookup of getter functions is fixed for StaticICData constant
pool entry to include non-static getters (StaticICData is used for
all kinds of direct calls including super calls).
Change-Id: Ic265ea6a7fca2bfcc9a96e4ede268ec8e693ff41
Reviewed-on: https://dart-review.googlesource.com/60822
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
So far the frontend (parser, flow graph builder, ssa construction) were
aware of the actual frame layout.
This CL makes the indices we assign to [LocalVariable]s logical
indices, assigning:
* M parameters the indices 1 ... M
* N local variables the indices 0 -1 ... -(N-1)
The scope building, flow graph builder and ssa construction operate on
those logical indices.
When emitting actual code, the backend will translate those indices into
actual FP relative indices. This allows us to be more flexible in the
backend which frame layout we choose.
Issue https://github.com/dart-lang/sdk/issues/33274
Change-Id: I9a504bf97821c257aafd2b3430df9f4c9da4b442
Reviewed-on: https://dart-review.googlesource.com/57321
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Fixes#33170: We had an assert that type variables are not bounded by "dynamic".
This assert was previously valid because the FE replaces "extends dynamic" with
"extends Object". However, it's not necessary in any way, and it's difficult to
access the Object type from outside the FE when synthesizing type parameters for
expression compilation.
Fixes#33171: The synthetic class generated during serialization to hold the
synthetic method may need to extend core library classes if the expression's
scope was within a core library class. In this case, the class finalizer needs
to avoid applying the restrictions on class extension to the synthetic class.
To facilitate this, we now use a single class name for all synthetic classes,
rather than copying the original class name. The name of the synthetic class has
no function at all, since the synthetic method is reparented to the original
class before execution.
Fixes#33239: The arguments descriptor passed to InvokeFunction for expression
functions which capture generic type parameters was using the wrong argument
count.
Fixes#33270: Use LookupClassAllowPrivate instead of LookupClass when resolving
the expression's scope in the VM.
Test Plan:
#33170: python tools/test.py -m debug -c dartk --strong service/evaluate_function_type_parameters_test
#33171: python tools/test.py -m debug -c dartk --strong service/eval_test
#33239: Updated "evaluate_function_type_parameters_test.dart".
#33270: Updated "eval_test.dart".
Change-Id: I376926bddd2224ec2322b43685d6c13831f1a8e7
Reviewed-on: https://dart-review.googlesource.com/56060
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
When the constant transformation is enabled on annotations, we need to fix handling
of @ExternalName annotations in the kernel_loader to ensure that we are setting
is_external = false on native methods.
The original revision is in patchset 1.
# Test Plan
The only regression was on benchmarks, Golem results are pending.
Change-Id: Ib80bb9f532299056e770a3b378cc5ad9ee451f57
Reviewed-on: https://dart-review.googlesource.com/56960
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
This reverts commit 3e50ea32b5.
Reason for revert: Severe performance regressions on many aot-v2 benchmarks.
Original change's description:
> [vm] Support definition of entry-points via @pragma('vm.extern') annotations.
>
> The `@pragma` annotations are evaluated by the constants transformation and
> visible to TFA and the precompiler, which match on the "options" field of the
> annotation to determine whether to mark the class/procedure as a root.
>
> This required enabling the transformation of annotation constants by default.
>
> # Test Plan
>
> The "vmservice_io.main" entry-point is removed from `main.cc` and annotated with
> `@pragma`. All precompiler tests will crash if "vmservice_io.main" is not
> available at runtime.
>
> Debug/release precompiler bots are visible in "cl-linux" button.
>
> Change-Id: I03c5d6ba7918672ed9905fcaee8dabe675a93a5d
> Reviewed-on: https://dart-review.googlesource.com/56660
> Commit-Queue: Samir Jindel <sjindel@google.com>
> Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
TBR=vegorov@google.com,alexmarkov@google.com,sjindel@google.com
Change-Id: I779c17d003659129a4b3fcf284423104948f60e2
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/56820
Reviewed-by: Samir Jindel <sjindel@google.com>
Commit-Queue: Samir Jindel <sjindel@google.com>
The `@pragma` annotations are evaluated by the constants transformation and
visible to TFA and the precompiler, which match on the "options" field of the
annotation to determine whether to mark the class/procedure as a root.
This required enabling the transformation of annotation constants by default.
# Test Plan
The "vmservice_io.main" entry-point is removed from `main.cc` and annotated with
`@pragma`. All precompiler tests will crash if "vmservice_io.main" is not
available at runtime.
Debug/release precompiler bots are visible in "cl-linux" button.
Change-Id: I03c5d6ba7918672ed9905fcaee8dabe675a93a5d
Reviewed-on: https://dart-review.googlesource.com/56660
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Summary:
When evaluating constants for direct inspection (and not for injection into the
FG), we store many intermediate values in ZoneHandles. This leaks memory, since
the only need for ZoneHandles is preserving constants which are referenced by
the FG.
Test Plan:
Existing coverage is sufficient since no functionality is changed.
Change-Id: I33951eab762a4ad626f07ebf11118247c5a9ad3e
Reviewed-on: https://dart-review.googlesource.com/56345
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
# Summary
As part of commit 772c9bb5f, we changed the representation of partially
instantiated closures to facilitate partial instantiation of local functions.
The compile-time constant evaluator was not updated -- this revision implements
that update.
Fixes task 33211.
# Test Plan
Updated `partial_tearoff_instantiation_test.dart` to test the case which caused
incorrect behavior in task 33211.
Change-Id: I7bbd4fb83a5aea86ffc85c1d9952f1202f098d6b
Reviewed-on: https://dart-review.googlesource.com/56346
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Samir Jindel <sjindel@google.com>
Samir Jindel