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3b57bac701
Fixes a scaling limitation where compiling N functions using the same guarded field or CHA guarded interface will result in O(N^2) comparisons when registering the dependencies. Don't use Instructions' address as the hash, as this gets relocated between the snapshot writer and reader. TEST=ci Bug: https://github.com/dart-lang/sdk/issues/51125 Change-Id: I9a13d57455e10865d9c5f7c12009d869a4ef0488 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/279753 Reviewed-by: Martin Kustermann <kustermann@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_VM_HEAP_WEAK_CODE_H_
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#define RUNTIME_VM_HEAP_WEAK_CODE_H_
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#include "vm/allocation.h"
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#include "vm/globals.h"
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namespace dart {
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class WeakArray;
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class Code;
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// Helper class to handle an array of code weak properties. Implements
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// registration and disabling of stored code objects.
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class WeakCodeReferences : public ValueObject {
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public:
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explicit WeakCodeReferences(const WeakArray& value) : array_(value) {}
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virtual ~WeakCodeReferences() {}
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void Register(const Code& value);
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virtual void UpdateArrayTo(const WeakArray& array) = 0;
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virtual void ReportDeoptimization(const Code& code) = 0;
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virtual void ReportSwitchingCode(const Code& code) = 0;
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void DisableCode(bool are_mutators_stopped);
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bool HasCodes() const;
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private:
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const WeakArray& array_; // Array of Code objects.
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DISALLOW_COPY_AND_ASSIGN(WeakCodeReferences);
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};
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} // namespace dart
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#endif // RUNTIME_VM_HEAP_WEAK_CODE_H_
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