- load summaries on updateDependencies and replace them by full
kernel files for current module on expression evaluation
- add tests for compiling expressions in various modules
- add tests for compiling expressions after updating dependencies
- test expression compilation in sound null safety mode
Change-Id: I243e8d1535e9510bc51f094545743d82bdbf23ca
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179404
Commit-Queue: Anna Gringauze <annagrin@google.com>
Reviewed-by: Nicholas Shahan <nshahan@google.com>
Reviewed-by: Jens Johansen <jensj@google.com>
Dart2js allows to declare JS-interp members, even if the enclosing library
doesn't have a JS annotation. This relaxes DDC to do the same.
Change-Id: I733d1cbb308692d89b8cd443cbde0ed30637e48e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/177780
Reviewed-by: Srujan Gaddam <srujzs@google.com>
Commit-Queue: Sigmund Cherem <sigmund@google.com>
Previously, deferred imports were really deferred, and the VM would have needed to trigger more loading as part of checking the validity of a reload and handle the re-entrancy of the tag handler and restart the checking a reload: all messy control flow that was side-stepped by just erroring-out. Currently, the language and kernel are incapable of truly deferred imports, so we need only propagate the state bit that checks loadLibrary was called and completed before members are accessed through the deferred prefix.
TEST=deferred_import_reload_test
Bug: https://github.com/dart-lang/sdk/issues/26878
Bug: https://github.com/flutter/flutter/issues/73602
Change-Id: I48bf3e8331630b732d96393e02b12f86de8cc5b5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179620
Reviewed-by: Ben Konyi <bkonyi@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Inlining will evaluate metadata, which can involve creating constants if the metadata wasn't previously evaluated. We currently can't handle creating new constants in the compiler because we lack a mechanism to trigger the field guard deopts from threads other than the main thread. Compare the general inlining case, which aborts if the inlining candidate wasn't previously compiled (on the main thread).
TEST=ci
Bug: https://github.com/dart-lang/sdk/issues/44714
Change-Id: Ib06d5697be6151f373f3242345be49d5c6ec61be
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180084
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
This CL removes asserts that prevented background compiler from doing class finalization.
It adds program_lock synchronization for when object properties are updated during class finalization.
It also encloses code instructions installation into safepoint scopes to ensure that no code is executed during installation.
Issue https://github.com/dart-lang/sdk/issues/36097
TEST=existing test suite
Change-Id: If297e44f51b187242eca2cdcfff066c8f6386d97
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/178163
Commit-Queue: Alexander Aprelev <aam@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Field.staticValue has always been able to take a Sentinel as a value but
was not correctly specified in the service spec. Updates the spec and
package:vm_service to allow for this case.
Also fixed an issue where FreeListElement and ForwardingCorpse were
being returned from getClassList.
Fixes https://github.com/dart-lang/sdk/issues/44588
TEST=pkg/vm_service/test/regress_44588_test.dart
Change-Id: I059717657533ff623a70d159a918d63e9e4b6cc7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179020
Commit-Queue: Ben Konyi <bkonyi@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
This CL changes the semantics of `Pointer<T extends Struct>.ref` to use
the compile-time `T` rather than the runtime `T`.
This enables tree shaking of subtypes of Struct and optimizing `.ref`.
Issue: https://github.com/dart-lang/sdk/issues/38721
TEST=tests/ffi/vmspecific_static_checks_test.dart
TEST=tests/ffi/*struct*test_.dart
Change-Id: I3f5b08c08ec0799ef8aab3c4177e2ac70d25501c
Cq-Include-Trybots: luci.dart.try:vm-precomp-ffi-qemu-linux-release-arm-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,analyzer-nnbd-linux-release-try,front-end-linux-release-x64-try,front-end-nnbd-linux-release-x64-try,benchmark-linux-try,dart-sdk-linux-try,pkg-linux-release-try,vm-ffi-android-release-arm-try,vm-ffi-android-release-arm64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/177862
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Aske Simon Christensen <askesc@google.com>
Stub target references for member signatures, forwarding stubs and mixin
stubs should be removed when tree shaking. Otherwise we might end up with
dangling references if the stub target was tree shaken.
Closes#44716
TEST=existing tests
Change-Id: I5fd67c0ab8db588ecbe5c40101bbea662e1ffb51
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180141
Commit-Queue: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Our build infrastructure uses simarm to build for the ARM architecture.
Because of that, building the full sdk with dart2js and dartdevc was
too expensive. In the past there wasn't as much need for the web
compilers in ARM, so we defaulted to exclude the web compilers from
the ARM SDK builds.
We are seeing more use and interest in using these tools in ARM, for
example, from users of modern Apple MacBooks and Raspberry Pi.
This change adds again the web compilers to ARM, but uses kernel
snapshots instead. We believe doing so will be more affordable in
our build infrastructure.
Fixes https://github.com/dart-lang/sdk/issues/43776
Change-Id: I81094f2c51941b0af1dedaf238601c91b0b9dbeb
Bug: https://github.com/dart-lang/sdk/issues/43776
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/178960
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>
Auto-Submit: Sigmund Cherem <sigmund@google.com>
Commit-Queue: Alexander Thomas <athom@google.com>
After a variable is write captured, references to it should no longer
be considered to express non-null intent, because we can no longer
guarantee that an initially null value of the variable would
definitely lead to an exception.
Change-Id: I44c65350291a4c44cdb4b19529b13149d8170e34
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180100
Reviewed-by: Samuel Rawlins <srawlins@google.com>
Commit-Queue: Paul Berry <paulberry@google.com>
A factory is saved as a procedure in kernel, and was thus also indexed
as a procedure for the purpose of experimental invalidation.
This caused trouble when having a "real" procedure and a factory with
the same name.
That is fixed by this CL by indexing factories ad constructors.
Fixes https://github.com/flutter/flutter/issues/74180
Change-Id: Ieef0421c29a61e26f2a7ee4bb4f196672afd8445
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180148
Commit-Queue: Jens Johansen <jensj@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Previously, code inside of local functions was treated as though it
appeared inline for the purpose of determining non-null intent. As a
result, a return statement in such a local function would cause any
code references that followed to be incorrectly treated as *not*
expression non-null intent.
Fixes#44703.
Bug: https://github.com/dart-lang/sdk/issues/44703
Change-Id: Ia74da007eb5424c784d41afeb0e2da4771578553
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180081
Reviewed-by: Samuel Rawlins <srawlins@google.com>
Commit-Queue: Paul Berry <paulberry@google.com>
Previously, the nullability graph propagation algorithm identified
non-null intent prior to inference of `late`. As a result, late
inference would be skipped for any variable with clear non-null
intent, so late inference was a lot less effective than it should be.
This requires updating several test cases where `late` should have
been inferred.
Change-Id: I0412ee7045e654185af08cc12b6ca1e6866112af
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180080
Reviewed-by: Samuel Rawlins <srawlins@google.com>
All object fields are now non-final and nullable to allow for missing
fields due to communicating with an older VM service version.
TEST=Existing tests.
Change-Id: Ibfbeefb329359e92f2e048499df7b9c806fb3220
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180089
Commit-Queue: Ben Konyi <bkonyi@google.com>
Reviewed-by: Gary Roumanis <grouma@google.com>
I think it makes more sense for the server to read the config file than
for `dart fix` to read it and then pass the data to server as part of
the protocol, which it would effectively need to be parsed a second time.
But I don't want config files to be used outside of test mode, so I
added the flag to the protocol. Let me know if you can think of a better
approach.
Change-Id: I1c53bc995272451247e84914f2cd6b75a837ee1e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180082
Reviewed-by: Phil Quitslund <pquitslund@google.com>
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
Recent changes to support native tests in DDC broke 2 tests only in chrome.
These broke because exporting the constructor changed the intent of these tests
in the first place.
This wasn't detected in d8 because we are using a mix of `self` and `window`,
and only in the browser they mapped to the same object.
Change-Id: I795b59ae2c0f34fdd7fc1730fbc3097dae2fee75
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179660
Reviewed-by: Stephen Adams <sra@google.com>
Commit-Queue: Sigmund Cherem <sigmund@google.com>
While investigating AOT compilation time it could be useful to
understand which members were analyzed the most in TFA.
This change adds "global.type.flow.print.timings" environment flag to
measure and show top TFA summaries (roughly correspond to members)
which were analyzed most number of times and which took the most
time to analyze.
TEST=manual testing
Issue https://github.com/dart-lang/sdk/issues/42442
Change-Id: I07d3253d1e6eb390074b7edf7c21686124a938d1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179600
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Aske Simon Christensen <askesc@google.com>
In certain cases involving auto-generated Dart sources there could be a
huge number of allocated classes which are subtypes of a certain class.
Specializing such cone types to set types, as well as intersection and
union operations on such types may be slow and may severely affect
compilation time. Also, gradually discovering allocated classes in
such cone types may cause a lot of invalidations during analysis.
In order to avoid servere degradation of compilation time in such case,
this change adds WideConeType which works like a ConeType when number of
allocated classes is large, but it doesn't specialize to a SetType and
has more efficient but approximate implementation of union and
intersection.
Uncompressed size of Flutter gallery AOT snapshot (android/arm64):
WideConeType approximation for types with
>32 allocated subtypes: +0.1176%
>64 allocated subtypes: +0.0956%
>128 allocated subtypes: +0.0027%
For now conservative approximation is used when number of allocated
types >128.
TFA time of large app #1: 175s -> 119s (-32%)
TFA time of large app #2: 211s -> 81s (-61.6%)
Snapshot size changes are insignificant.
TEST=Stress tested on precomp bots with
maxAllocatedTypesInSetSpecializations = 3 and 0.
Issue: https://github.com/dart-lang/sdk/issues/42442
Issue: https://github.com/dart-lang/sdk/issues/43299
Change-Id: Idae33205ddda81714e4aeccc7ae292e0164be651
b/154155290, b/177498788, b/177497864
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179200
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Aske Simon Christensen <askesc@google.com>
Ben Konyi