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author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-09-06 10:29:38 +0200 |
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committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-09-06 10:29:38 +0200 |
commit | 9fdff854ebf1fe1a118061d57fd0a2d6c5c7dfd7 (patch) | |
tree | 0f3678a1ed688c2f430b1cae5859916790908ac6 /js/src/jit/IonAnalysis.cpp | |
parent | ab6242a93b849b0a3c7525b16bc01dd3172fc167 (diff) | |
parent | 6db06749e2037029adc96660aafa5339ed609e60 (diff) | |
download | uxp-9fdff854ebf1fe1a118061d57fd0a2d6c5c7dfd7.tar.gz |
Merge branch 'master' into release
Diffstat (limited to 'js/src/jit/IonAnalysis.cpp')
-rw-r--r-- | js/src/jit/IonAnalysis.cpp | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/js/src/jit/IonAnalysis.cpp b/js/src/jit/IonAnalysis.cpp index 5fc624fb1d..ace6cd81e4 100644 --- a/js/src/jit/IonAnalysis.cpp +++ b/js/src/jit/IonAnalysis.cpp @@ -4005,7 +4005,7 @@ jit::ConvertLinearInequality(TempAllocator& alloc, MBasicBlock* block, const Lin } static bool -AnalyzePoppedThis(JSContext* cx, ObjectGroup* group, +AnalyzePoppedThis(JSContext* cx, DPAConstraintInfo& constraintInfo, ObjectGroup* group, MDefinition* thisValue, MInstruction* ins, bool definitelyExecuted, HandlePlainObject baseobj, Vector<TypeNewScript::Initializer>* initializerList, @@ -4046,7 +4046,12 @@ AnalyzePoppedThis(JSContext* cx, ObjectGroup* group, return true; RootedId id(cx, NameToId(setprop->name())); - if (!AddClearDefiniteGetterSetterForPrototypeChain(cx, group, id)) { + bool added = false; + if (!AddClearDefiniteGetterSetterForPrototypeChain(cx, constraintInfo, + group, id, &added)) { + return false; + } + if (!added) { // The prototype chain already contains a getter/setter for this // property, or type information is too imprecise. return true; @@ -4106,7 +4111,12 @@ AnalyzePoppedThis(JSContext* cx, ObjectGroup* group, if (!baseobj->lookup(cx, id) && !accessedProperties->append(get->name())) return false; - if (!AddClearDefiniteGetterSetterForPrototypeChain(cx, group, id)) { + bool added = false; + if (!AddClearDefiniteGetterSetterForPrototypeChain(cx, constraintInfo, + group, id, &added)) { + return false; + } + if (!added) { // The |this| value can escape if any property reads it does go // through a getter. return true; @@ -4132,8 +4142,11 @@ CmpInstructions(const void* a, const void* b) } bool -jit::AnalyzeNewScriptDefiniteProperties(JSContext* cx, HandleFunction fun, - ObjectGroup* group, HandlePlainObject baseobj, +jit::AnalyzeNewScriptDefiniteProperties(JSContext* cx, + DPAConstraintInfo& constraintInfo, + HandleFunction fun, + ObjectGroup* group, + HandlePlainObject baseobj, Vector<TypeNewScript::Initializer>* initializerList) { MOZ_ASSERT(cx->zone()->types.activeAnalysis); @@ -4293,7 +4306,7 @@ jit::AnalyzeNewScriptDefiniteProperties(JSContext* cx, HandleFunction fun, bool handled = false; size_t slotSpan = baseobj->slotSpan(); - if (!AnalyzePoppedThis(cx, group, thisValue, ins, definitelyExecuted, + if (!AnalyzePoppedThis(cx, constraintInfo, group, thisValue, ins, definitelyExecuted, baseobj, initializerList, &accessedProperties, &handled)) { return false; @@ -4312,7 +4325,6 @@ jit::AnalyzeNewScriptDefiniteProperties(JSContext* cx, HandleFunction fun, // contingent on the correct frames being inlined. Add constraints to // invalidate the definite properties if additional functions could be // called at the inline frame sites. - Vector<MBasicBlock*> exitBlocks(cx); for (MBasicBlockIterator block(graph.begin()); block != graph.end(); block++) { // Inlining decisions made after the last new property was added to // the object don't need to be frozen. @@ -4320,9 +4332,11 @@ jit::AnalyzeNewScriptDefiniteProperties(JSContext* cx, HandleFunction fun, break; if (MResumePoint* rp = block->callerResumePoint()) { if (block->numPredecessors() == 1 && block->getPredecessor(0) == rp->block()) { - JSScript* script = rp->block()->info().script(); - if (!AddClearDefiniteFunctionUsesInScript(cx, group, script, block->info().script())) + JSScript* caller = rp->block()->info().script(); + JSScript* callee = block->info().script(); + if (!constraintInfo.addInliningConstraint(caller, callee)) { return false; + } } } } |