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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-10 09:28:39 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-10 09:28:39 +0000 |
commit | 32761a6cee1d0dee366b885b7b9c777e67885688 (patch) | |
tree | d6bec92bebfb216f4126356e55518842c2f476a1 /Source/JavaScriptCore/dfg/DFGNode.cpp | |
parent | a4e969f4965059196ca948db781e52f7cfebf19e (diff) | |
download | WebKitGtk-tarball-32761a6cee1d0dee366b885b7b9c777e67885688.tar.gz |
webkitgtk-2.4.11webkitgtk-2.4.11
Diffstat (limited to 'Source/JavaScriptCore/dfg/DFGNode.cpp')
-rw-r--r-- | Source/JavaScriptCore/dfg/DFGNode.cpp | 155 |
1 files changed, 3 insertions, 152 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGNode.cpp b/Source/JavaScriptCore/dfg/DFGNode.cpp index 6a9853424..bf43f29a4 100644 --- a/Source/JavaScriptCore/dfg/DFGNode.cpp +++ b/Source/JavaScriptCore/dfg/DFGNode.cpp @@ -1,5 +1,5 @@ /* - * Copyright (C) 2013, 2014 Apple Inc. All rights reserved. + * Copyright (C) 2013 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -30,40 +30,9 @@ #include "DFGGraph.h" #include "DFGNodeAllocator.h" -#include "DFGPromotedHeapLocation.h" -#include "JSCInlines.h" namespace JSC { namespace DFG { -bool MultiPutByOffsetData::writesStructures() const -{ - for (unsigned i = variants.size(); i--;) { - if (variants[i].writesStructures()) - return true; - } - return false; -} - -bool MultiPutByOffsetData::reallocatesStorage() const -{ - for (unsigned i = variants.size(); i--;) { - if (variants[i].reallocatesStorage()) - return true; - } - return false; -} - -void BranchTarget::dump(PrintStream& out) const -{ - if (!block) - return; - - out.print(*block); - - if (count == count) // If the count is not NaN, then print it. - out.print("/w:", count); -} - unsigned Node::index() const { return NodeAllocator::allocatorOf(this)->indexOf(this); @@ -75,6 +44,7 @@ bool Node::hasVariableAccessData(Graph& graph) case Phi: return graph.m_form != SSA; case GetLocal: + case GetArgument: case SetLocal: case SetArgument: case Flush: @@ -85,119 +55,6 @@ bool Node::hasVariableAccessData(Graph& graph) } } -void Node::remove() -{ - ASSERT(!(flags() & NodeHasVarArgs)); - - children = children.justChecks(); - - setOpAndDefaultFlags(Check); -} - -void Node::convertToIdentity() -{ - RELEASE_ASSERT(child1()); - RELEASE_ASSERT(!child2()); - NodeFlags result = canonicalResultRepresentation(this->result()); - setOpAndDefaultFlags(Identity); - setResult(result); -} - -void Node::convertToIdentityOn(Node* child) -{ - children.reset(); - child1() = child->defaultEdge(); - NodeFlags output = canonicalResultRepresentation(this->result()); - NodeFlags input = canonicalResultRepresentation(child->result()); - if (output == input) { - setOpAndDefaultFlags(Identity); - setResult(output); - return; - } - switch (output) { - case NodeResultDouble: - setOpAndDefaultFlags(DoubleRep); - switch (input) { - case NodeResultInt52: - child1().setUseKind(Int52RepUse); - return; - case NodeResultJS: - child1().setUseKind(NumberUse); - return; - default: - RELEASE_ASSERT_NOT_REACHED(); - return; - } - case NodeResultInt52: - setOpAndDefaultFlags(Int52Rep); - switch (input) { - case NodeResultDouble: - child1().setUseKind(DoubleRepMachineIntUse); - return; - case NodeResultJS: - child1().setUseKind(MachineIntUse); - return; - default: - RELEASE_ASSERT_NOT_REACHED(); - return; - } - case NodeResultJS: - setOpAndDefaultFlags(ValueRep); - switch (input) { - case NodeResultDouble: - child1().setUseKind(DoubleRepUse); - return; - case NodeResultInt52: - child1().setUseKind(Int52RepUse); - return; - default: - RELEASE_ASSERT_NOT_REACHED(); - return; - } - default: - RELEASE_ASSERT_NOT_REACHED(); - return; - } -} - -void Node::convertToPutHint(const PromotedLocationDescriptor& descriptor, Node* base, Node* value) -{ - m_op = PutHint; - m_opInfo = descriptor.imm1().m_value; - m_opInfo2 = descriptor.imm2().m_value; - child1() = base->defaultEdge(); - child2() = value->defaultEdge(); - child3() = Edge(); -} - -void Node::convertToPutStructureHint(Node* structure) -{ - ASSERT(m_op == PutStructure); - ASSERT(structure->castConstant<Structure*>() == transition()->next); - convertToPutHint(StructurePLoc, child1().node(), structure); -} - -void Node::convertToPutByOffsetHint() -{ - ASSERT(m_op == PutByOffset); - convertToPutHint( - PromotedLocationDescriptor(NamedPropertyPLoc, storageAccessData().identifierNumber), - child2().node(), child3().node()); -} - -void Node::convertToPutClosureVarHint() -{ - ASSERT(m_op == PutClosureVar); - convertToPutHint( - PromotedLocationDescriptor(ClosureVarPLoc, scopeOffset().offset()), - child1().node(), child2().node()); -} - -PromotedLocationDescriptor Node::promotedLocationDescriptor() -{ - return PromotedLocationDescriptor(static_cast<PromotedLocationKind>(m_opInfo), m_opInfo2); -} - } } // namespace JSC::DFG namespace WTF { @@ -217,9 +74,6 @@ void printInternal(PrintStream& out, SwitchKind kind) case SwitchString: out.print("SwitchString"); return; - case SwitchCell: - out.print("SwitchCell"); - return; } RELEASE_ASSERT_NOT_REACHED(); } @@ -231,10 +85,7 @@ void printInternal(PrintStream& out, Node* node) return; } out.print("@", node->index()); - if (node->hasDoubleResult()) - out.print("<Double>"); - else if (node->hasInt52Result()) - out.print("<Int52>"); + out.print(AbbreviatedSpeculationDump(node->prediction())); } } // namespace WTF |