本文整理汇总了C++中AdjacencyList::child1方法的典型用法代码示例。如果您正苦于以下问题：C++ AdjacencyList::child1方法的具体用法？C++ AdjacencyList::child1怎么用？C++ AdjacencyList::child1使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AdjacencyList的用法示例。
在下文中一共展示了AdjacencyList::child1方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: foldConstants
bool foldConstants(BasicBlock* block)
{
bool changed = false;
m_state.beginBasicBlock(block);
for (unsigned indexInBlock = 0; indexInBlock < block->size(); ++indexInBlock) {
if (!m_state.isValid())
break;
Node* node = block->at(indexInBlock);
bool eliminated = false;
switch (node->op()) {
case BooleanToNumber: {
if (node->child1().useKind() == UntypedUse
&& !m_interpreter.needsTypeCheck(node->child1(), SpecBoolean))
node->child1().setUseKind(BooleanUse);
break;
}
case CheckArgumentsNotCreated: {
if (!isEmptySpeculation(
m_state.variables().operand(
m_graph.argumentsRegisterFor(node->origin.semantic)).m_type))
break;
node->convertToPhantom();
eliminated = true;
break;
}
case CheckStructure:
case ArrayifyToStructure: {
AbstractValue& value = m_state.forNode(node->child1());
StructureSet set;
if (node->op() == ArrayifyToStructure)
set = node->structure();
else
set = node->structureSet();
if (value.m_currentKnownStructure.isSubsetOf(set)) {
m_interpreter.execute(indexInBlock); // Catch the fact that we may filter on cell.
node->convertToPhantom();
eliminated = true;
break;
}
StructureAbstractValue& structureValue = value.m_futurePossibleStructure;
if (structureValue.isSubsetOf(set)
&& structureValue.hasSingleton()) {
Structure* structure = structureValue.singleton();
m_interpreter.execute(indexInBlock); // Catch the fact that we may filter on cell.
AdjacencyList children = node->children;
children.removeEdge(0);
if (!!children.child1())
m_insertionSet.insertNode(indexInBlock, SpecNone, Phantom, node->origin, children);
node->children.setChild2(Edge());
node->children.setChild3(Edge());
node->convertToStructureTransitionWatchpoint(structure);
eliminated = true;
break;
}
break;
}
case CheckArray:
case Arrayify: {
if (!node->arrayMode().alreadyChecked(m_graph, node, m_state.forNode(node->child1())))
break;
node->convertToPhantom();
eliminated = true;
break;
}
case CheckFunction: {
if (m_state.forNode(node->child1()).value() != node->function())
break;
node->convertToPhantom();
eliminated = true;
break;
}
case CheckInBounds: {
JSValue left = m_state.forNode(node->child1()).value();
JSValue right = m_state.forNode(node->child2()).value();
if (left && right && left.isInt32() && right.isInt32()
&& static_cast<uint32_t>(left.asInt32()) < static_cast<uint32_t>(right.asInt32())) {
node->convertToPhantom();
eliminated = true;
break;
}
break;
}
case MultiGetByOffset: {
Edge childEdge = node->child1();
Node* child = childEdge.node();
MultiGetByOffsetData& data = node->multiGetByOffsetData();
Structure* structure = m_state.forNode(child).bestProvenStructure();
if (!structure)
break;
//.........这里部分代码省略.........