- bring patched SDK generation scripts and VM patch tweaks that allow VM patch files to be parsed by analyzer front-end;
Patched SDK is an SDK with all VM patches spliced into it. Kernel compiler is based on the analyzer front-end which does
not have any patch files support/model so for it to produce Kernel files that match VM we need to generate a such patched SDKs.
- bring test script modifications that allow to test Kernel pipeline
BUG=
R=asiva@google.com, kmillikin@google.com, whesse@google.com, zra@google.com
Review URL: https://codereview.chromium.org/2434123003 .
This reverts commit 890f694de5.
Previous commit was passing field_type_map_ down in a place where it was not passed down before.
This caused some handles to be used across zones, which caused crashes.
BUG=
Review URL: https://codereview.chromium.org/2453463006 .
i.e. #ifndef VM_WHATEVER -> #ifndef RUNTIME_VM_WHATEVER
This lets us remove a hack from the PRESUBMIT.py script that existed
for reasons that are no longer valid, and sets us up to add some
presubmit checks for the GN build.
R=asiva@google.com, rmacnak@google.com
Review URL: https://codereview.chromium.org/2450713004 .
Start by removing all get:runtimeType overrides in the patch files to have a single point computing the runtime type - Object.get:runtimeType. Handle string, double and integer types inside both intrinsic and runtime call to unify their handling and guarantee that code works even with intrinsifier disabled.
With overrides removed we can easily check that get:runtimeType is unique function name within the application that is being precompiled and use that to convert InstanceCall(get:runtimeType, ...) into StaticCall even nothing is known about the receiver.
This enables us to check if both left side and right side of comparison are StaticCall(Object.get:runtimeType, ...) when specializing InstanceCall(==, x, y). If they are we convert InstanceCall(==, StaticCall(get:runtimeType, a), StaticCall(get:runtimeType, b)) into StaticCall(Object._hasSameRuntimeType, a, b). A canonicalization rule will later delete unused get:runtimeType invocations.
Object._hasSameRuntimeType is implemented in C++ and intrinsified. It operates without creating new runtime types (except for Closures - where it does for simplicity). Cases of different class ids (i.e. a.[cid] != b.[cid]) and non-parameterized types are handled completely in the intrinsic. The rest is handled in the runtime code.
Microbenchmarking results:
Same parameterized classes: 15x improvement
Different parameterized classes: 300x improvement
Different/same non-parameterized classes: 2x improvement
BUG=
R=fschneider@google.com, regis@google.com
Review URL: https://codereview.chromium.org/2379733002 .
- [x] Add three public fields to the "BoundVariable" service type: declarationTokenPos, visibleStartTokenPos, and visibleEndTokenPos. (naming suggestions welcome!)
- [x] Extend LocalVarDescriptors to hold the declaration token position (it already had the scope visibility boundaries).
- [x] Extend ContextScope to hold the declaration token position.
- [x] Add a unit test which verifies this works for local variables, function parameters, and closure captured variables.
Fixes https://github.com/dart-lang/sdk/issues/25569
BUG=
R=rmacnak@google.com
Review URL: https://codereview.chromium.org/2419013004 .
When running with --load-deferred-eagerly, we don't need to collect
functions for invalidation, but instead insert runtime checks if
the prefix if loadLibrary was called loaded or not.
BUG=
R=rmacnak@google.com
Review URL: https://codereview.chromium.org/2415743004 .
Unoptimized code has a static call to optimized code.
Optimized code prologue goes to the OptimizeInvokedFunction runtime.
Callee schedule for background compilation and current code set the return entries return value.
Verify-on-transition triggers a safepoint, wherein the background compiler disables the old optimized code.
The OptimizedInvokedFunction stub calls through the disabled code.
FixCallersTarget see an unoptimized caller. BOOM
Similar problem without --verify-on-transition, except the safepoint comes from BackgroundCompiler::CompileOptimized.
Fixes#26927.
R=fschneider@google.com
Review URL: https://codereview.chromium.org/2418673002 .
Revert changes to virtual_memory_win.cc in case they are the cause of
the OOM failures on the debug windows x64 bot.
Review URL: https://codereview.chromium.org/2420853002 .
For blobs, put all four pieces into a single file with a header describing their offsets.
For dynamic libraries, move the vm isolate and isolate pieces into the dynamic library as additional read-only sections.
Automatically detect if the script argument is an app snapshot and initialize the VM appropriately, similar to automatic detection of script snapshots.
R=asiva@google.com
Review URL: https://codereview.chromium.org/2405393002 .
When loading a snapshot all library prefixes should be considered not
loaded. This makes code running from a JIT snapshot throw the correct
error when using a deferred prefix before it is loaded.
Also, update test status and avoid skipping tests.
BUG=
R=rmacnak@google.com
Review URL: https://codereview.chromium.org/2416963003 .
Martin Kustermann