void initialize(const Module *M, const DataStructures *DS) {
parseValue(M);
assert(V && "Failed to parse value?");
if (isa<GlobalValue>(V)) {
DSGraph *G = DS->getGlobalsGraph();
assert(G->hasNodeForValue(V) && "Node not in specified graph!");
NH = G->getNodeForValue(V);
} else {
assert(F && "No function?");
DSGraph *G = DS->getDSGraph(*F);
assert(G->hasNodeForValue(V) && "Node not in specified graph!");
NH = G->getNodeForValue(V);
}
// Handle offsets, if any
// For each offset in the offsets vector, follow the link at that offset
for (OffsetVectorTy::const_iterator I = offsets.begin(), E = offsets.end();
I != E; ++I ) {
assert(!NH.isNull() && "Null NodeHandle?");
assert(NH.hasLink(*I) && "Handle doesn't have link?");
// Follow the offset
NH = NH.getLink(*I);
}
}
