The Tor Browser / file comparison
comparison: js/src/jit/ParallelSafetyAnalysis.h
js/src/jit/ParallelSafetyAnalysis.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:e052df76839a |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * vim: set ts=8 sts=4 et sw=4 tw=99: | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef jit_ParallelSafetyAnalysis_h | |
| 8 #define jit_ParallelSafetyAnalysis_h | |
| 9 | |
| 10 #include "jit/MIR.h" | |
| 11 | |
| 12 namespace js { | |
| 13 | |
| 14 class InterpreterFrame; | |
| 15 | |
| 16 namespace jit { | |
| 17 | |
| 18 class MIRGraph; | |
| 19 class AutoDestroyAllocator; | |
| 20 | |
| 21 // Determines whether a function is compatible for parallel execution. | |
| 22 // Removes basic blocks containing unsafe MIR operations from the | |
| 23 // graph and replaces them with MAbortPar blocks. | |
| 24 class ParallelSafetyAnalysis | |
| 25 { | |
| 26 MIRGenerator *mir_; | |
| 27 MIRGraph &graph_; | |
| 28 | |
| 29 bool removeResumePointOperands(); | |
| 30 void replaceOperandsOnResumePoint(MResumePoint *resumePoint, MDefinition *withDef); | |
| 31 | |
| 32 public: | |
| 33 ParallelSafetyAnalysis(MIRGenerator *mir, | |
| 34 MIRGraph &graph) | |
| 35 : mir_(mir), | |
| 36 graph_(graph) | |
| 37 {} | |
| 38 | |
| 39 bool analyze(); | |
| 40 }; | |
| 41 | |
| 42 // Code to collect list of possible call targets by scraping through | |
| 43 // TI and baseline data. Used to permit speculative transitive | |
| 44 // compilation in vm/ForkJoin. | |
| 45 // | |
| 46 // This code may clone scripts and thus may invoke the GC. Hence only | |
| 47 // run from the link phase, which executes on the main thread. | |
| 48 typedef Vector<JSScript *, 4, IonAllocPolicy> CallTargetVector; | |
| 49 bool AddPossibleCallees(JSContext *cx, MIRGraph &graph, CallTargetVector &targets); | |
| 50 | |
| 51 } // namespace jit | |
| 52 } // namespace js | |
| 53 | |
| 54 #endif /* jit_ParallelSafetyAnalysis_h */ |
