void Namespace::connect(const scene::INodePtr& root)
{
// Now traverse the subgraph and connect the nodes
ConnectNamespacedWalker firstWalker(this);
root->traverse(firstWalker);
ConnectNameObserverWalker secondWalker;
root->traverse(secondWalker);
}
// check for new Vars which are not in SSA form; if there are any, fix up all occurrences of
// that var, put into SSA form.
bool SSABuilder::fixupVars(ControlFlowGraph*fg, MethodDesc& methodDesc) {
// clear out all Phi args
MemoryManager localMM("SSABuilder::fixupVars::memManager");
#ifdef DEBUG_SSA
if (Log::isEnabled()) {
Log::out() << "Starting fixupVars" << ::std::endl;
FlowGraph::printDotFile(*fg, methodDesc, "midfixupvars-0");
}
#endif
StlVectorSet<VarOpnd *> usedOutOfSsa(localMM);
ScanSsaVarsWalker firstWalker(this, usedOutOfSsa);
typedef Inst2NodeWalker<true, ScanSsaVarsWalker> ScanSsaVarsNodeWalker;
ScanSsaVarsNodeWalker scanSsaVarsNodeWalker(firstWalker);
NodeWalk<ScanSsaVarsNodeWalker>(*fg, scanSsaVarsNodeWalker);
// now usedOutOfSsa has vars that need to be fixed up
if (!usedOutOfSsa.empty()) {
// cleanup in case there are any other uses still.
DeSsaVarsWalker cleanupWalker(this, usedOutOfSsa);
typedef Inst2NodeWalker<true, DeSsaVarsWalker> DeSsaVarsNodeWalker;
DeSsaVarsNodeWalker cleanupNodeWalker(cleanupWalker);
NodeWalk<DeSsaVarsNodeWalker>(*fg, cleanupNodeWalker);
// now all vars in usedOutOfSsa are not used in SSA form, and have no Phis.
#ifdef DEBUG_SSA
if (Log::isEnabled()) {
FlowGraph::printDotFile(*fg,methodDesc, "midfixupvars-1");
}
#endif
// just run the conversion pass
convertSSA(methodDesc);
}
#ifdef DEBUG_SSA
if (Log::isEnabled()) {
FlowGraph::printDotFile(*fg, methodDesc, "midfixupvars-3");
Log::out() << "Finished fixupVars" << ::std::endl;
}
#endif
return !usedOutOfSsa.empty();
}
