Cross Reference: /openjdk7/hotspot/src/share/vm/opto/graphKit.cpp

Lines Matching refs:ex_map
144 void GraphKit::verify_exception_state(SafePointNode* ex_map) {
145   assert(ex_map->next_exception() == NULL, "not already part of a chain");
146   assert(has_saved_ex_oop(ex_map), "every exception state has an ex_oop");
184 void GraphKit::set_saved_ex_oop(SafePointNode* ex_map, Node* ex_oop) {
185   assert(!has_saved_ex_oop(ex_map), "clear ex-oop before setting again");
186   ex_map->add_req(ex_oop);
187   debug_only(verify_exception_state(ex_map));
190 inline static Node* common_saved_ex_oop(SafePointNode* ex_map, bool clear_it) {
191   assert(GraphKit::has_saved_ex_oop(ex_map), "ex_oop must be there");
192   Node* ex_oop = ex_map->in(ex_map->req()-1);
193   if (clear_it)  ex_map->del_req(ex_map->req()-1);
199 Node* GraphKit::saved_ex_oop(SafePointNode* ex_map) {
200   return common_saved_ex_oop(ex_map, false);
205 Node* GraphKit::clear_saved_ex_oop(SafePointNode* ex_map) {
206   return common_saved_ex_oop(ex_map, true);
212 bool GraphKit::has_saved_ex_oop(SafePointNode* ex_map) {
213   return ex_map->req() == ex_map->jvms()->endoff()+1;
221   SafePointNode* ex_map = stop();  // do not manipulate this map any more
222   set_saved_ex_oop(ex_map, ex_oop);
223   return ex_map;
229 void GraphKit::add_exception_state(SafePointNode* ex_map) {
230   if (ex_map == NULL || ex_map->control() == top()) {
234   verify_exception_state(ex_map);
236     assert(ex_map->jvms()->same_calls_as(_exceptions->jvms()), "all collected exceptions must come from the same place");
242   Node*       ex_oop  = saved_ex_oop(ex_map);
254         && e2->_jvms->sp() == ex_map->_jvms->sp()) {
255       combine_exception_states(ex_map, e2);
261   push_exception_state(ex_map);
266   SafePointNode* ex_map = jvms->map()->next_exception();
267   if (ex_map != NULL) {
269     for (SafePointNode* next_map; ex_map != NULL; ex_map = next_map) {
270       next_map = ex_map->next_exception();
271       ex_map->set_next_exception(NULL);
272       add_exception_state(ex_map);
329 void GraphKit::combine_exception_states(SafePointNode* ex_map, SafePointNode* phi_map) {
331   JVMState* ex_jvms = ex_map->_jvms;
336   assert(ex_map->req() == phi_map->req(), "matching maps");
341   MergeMemNode* ex_mem  = ex_map->merged_memory();
363   // Either or both of phi_map and ex_map might already be converted into phis.
364   Node* ex_control = ex_map->control();
365   // if there is special marking on ex_map also, we add multiple edges from src
372     add_n_reqs(phi_map->i_o(), ex_map->i_o());
374     // ex_map has no merges, so we just add single edges everywhere
376     add_one_req(phi_map->i_o(), ex_map->i_o());
388     // Append stuff from ex_map:
395   uint limit = ex_map->req();
399     Node* src = ex_map->in(i);
1814     SafePointNode* ex_map = ekit.combine_and_pop_all_exception_states();
1816     Node* ex_oop = ekit.use_exception_state(ex_map);