355 struct NTarjan {  struct
360   NTarjan *_parent;             // Parent in DFS  argument
361   NTarjan *_label;              // Used for LINK and EVAL  argument
362   NTarjan *_ancestor;           // Used for LINK and EVAL  argument
363   NTarjan *_child;              // Used for faster LINK and EVAL  argument
364   NTarjan *_dom;                // Parent in dominator tree (immediate dom)  argument
365   NTarjan *_bucket;             // Set of vertices with given semidominator  argument
367   NTarjan *_dom_child;          // Child in dominator tree  argument
368   NTarjan *_dom_next;           // Next in dominator tree  argument
374   static int DFS( NTarjan *ntarjan, VectorSet &visited, PhaseIdealLoop *pil, uint *dfsorder );
379   NTarjan *EVAL(void);
380   void LINK( NTarjan *w, NTarjan *ntarjan0 );
394   NTarjan *ntarjan = NEW_RESOURCE_ARRAY(NTarjan,C->unique()+1);  in Dominators()
408   int dfsnum = NTarjan::DFS( ntarjan, visited, this, dfsorder);  in Dominators()
415     NTarjan *w = &ntarjan[i];            // Get Node from DFS  in Dominators()
425       NTarjan *vx = &ntarjan[b];  in Dominators()
426       NTarjan *u = vx->EVAL();  in Dominators()
440     for( NTarjan *vx = w->_parent->_bucket; vx; vx = vx->_bucket ) {  in Dominators()
441       NTarjan *u = vx->EVAL();  in Dominators()
470     NTarjan *w = &ntarjan[i];  in Dominators()
477   NTarjan *w = &ntarjan[dfsorder[C->root()->_idx]];  in Dominators()
484     NTarjan *t = &ntarjan[i];          // Handy access  in Dominators()
486     NTarjan *tdom = t->_dom;           // Handy access to immediate dominator  in Dominators()
509 int NTarjan::DFS( NTarjan *ntarjan, VectorSet &visited, PhaseIdealLoop *pil, uint *dfsorder) {  in DFS()
520       NTarjan *w = &ntarjan[dfsnum];  in DFS()
549 void NTarjan::COMPRESS()  in COMPRESS()
560 NTarjan *NTarjan::EVAL() {  in EVAL()
566 void NTarjan::LINK( NTarjan *w, NTarjan *ntarjan0 ) {  in LINK()
567   NTarjan *s = w;  in LINK()
580     NTarjan *tmp = s; s = _child; _child = tmp;  in LINK()
588 void NTarjan::setdepth( uint stack_size, uint *dom_depth ) {  in setdepth()
589   NTarjan **top  = NEW_RESOURCE_ARRAY(NTarjan*, stack_size);  in setdepth()
590   NTarjan **next = top;  in setdepth()
591   NTarjan **last;  in setdepth()
601       NTarjan *t = *next;    // next tarjan from stack  in setdepth()
605         NTarjan *dom_child = t->_dom_child;  in setdepth()
617 void NTarjan::dump(int offset) const {  in dump()