X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=newfuzzer.cc;h=e2e057d890e3282129f8e3e0edc164e688db4019;hp=6d90f5fd62c460e0946c5e0c9c6034aa0636a62f;hb=9b15b68fbaea67b36fa99bcadb60a010eb4e131f;hpb=5d3037f7280786b48caa804d92aa360a6dea846d diff --git a/newfuzzer.cc b/newfuzzer.cc index 6d90f5fd..e2e057d8 100644 --- a/newfuzzer.cc +++ b/newfuzzer.cc @@ -54,7 +54,7 @@ int NewFuzzer::selectWrite(ModelAction *read, SnapVector * rf_set if (curr_pred != NULL) { Predicate * selected_branch = NULL; - if (check_store_visibility(curr_pred, read_inst, inst_act_map, rf_set)) + if (check_branch_inst(curr_pred, read_inst, inst_act_map, rf_set)) selected_branch = selectBranch(tid, curr_pred, read_inst); else { // no child of curr_pred matches read_inst, check back edges @@ -63,7 +63,7 @@ int NewFuzzer::selectWrite(ModelAction *read, SnapVector * rf_set while (it->hasNext()) { curr_pred = it->next(); - if (check_store_visibility(curr_pred, read_inst, inst_act_map, rf_set)) { + if (check_branch_inst(curr_pred, read_inst, inst_act_map, rf_set)) { selected_branch = selectBranch(tid, curr_pred, read_inst); break; } @@ -85,7 +85,12 @@ int NewFuzzer::selectWrite(ModelAction *read, SnapVector * rf_set // The chosen branch fails, reselect new branches while ( rf_set->size() == 0 ) { Predicate * selected_branch = get_selected_child_branch(tid); + FuncNode * func_node = history->get_curr_func_node(tid); + + // Add failed predicate to NewFuzzer and FuncNode failed_predicates.put(selected_branch, true); + func_node->add_failed_predicate(selected_branch); + selected_branch->incr_fail_count(); //model_print("the %d read action of thread %d at %p is unsuccessful\n", read->get_seq_number(), read_thread->get_id(), read->get_location()); @@ -99,7 +104,6 @@ int NewFuzzer::selectWrite(ModelAction *read, SnapVector * rf_set FuncInst * read_inst = thrd_last_func_inst[thread_id]; selected_branch = selectBranch(tid, curr_pred, read_inst); - FuncNode * func_node = history->get_curr_func_node(tid); inst_act_map_t * inst_act_map = func_node->get_inst_act_map(tid); prune_writes(tid, selected_branch, rf_set, inst_act_map); @@ -111,13 +115,10 @@ int NewFuzzer::selectWrite(ModelAction *read, SnapVector * rf_set return random_index; } -/* For children of curr_pred that matches read_inst. - * If any store in rf_set satisfies the a child's predicate, - * increment the store visibility count for it. - * +/* Check if children of curr_pred match read_inst. * @return False if no child matches read_inst */ -bool NewFuzzer::check_store_visibility(Predicate * curr_pred, FuncInst * read_inst, +bool NewFuzzer::check_branch_inst(Predicate * curr_pred, FuncInst * read_inst, inst_act_map_t * inst_act_map, SnapVector * rf_set) { available_branches_tmp_storage.clear(); @@ -136,6 +137,7 @@ inst_act_map_t * inst_act_map, SnapVector * rf_set) /* The children predicates may have different FuncInsts */ if (branch->get_func_inst() == read_inst) { any_child_match = true; + branch->incr_total_checking_count(); available_branches_tmp_storage.push_back(branch); } }