contrib/gcc/tree-ssa-live.c

191   tree var;
252 	  var = map->partition_to_var[x];
253 	  if (TREE_CODE (var) != SSA_NAME)
254 	    change_partition_var (map, var, count);
277 change_partition_var (var_map map, tree var, int part)
281   gcc_assert (TREE_CODE (var) != SSA_NAME);
283   ann = var_ann (var);
287     map->partition_to_var[map->compact_to_partition[part]] = var;
346       tree var = TREE_VALUE (t);
347       if (TREE_CODE (var) != FUNCTION_DECL
348 	  && var_ann (var))
349 	var_ann (var)->used = false;
385       tree var = TREE_VALUE (*cell);
388       if (TREE_CODE (var) != FUNCTION_DECL
389 	  && (!(ann = var_ann (var))
570   tree var;
578   var = partition_to_var (map, i);
579   if (SSA_NAME_DEF_STMT (var))
580     def_bb = bb_for_stmt (SSA_NAME_DEF_STMT (var));
610 set_if_valid (var_map map, bitmap vec, tree var)
612   int p = var_to_partition (map, var);
623 		      tree var, basic_block bb)
625   int p = var_to_partition (live->map, var);
646   tree phi, var, stmt;
670 	      var = PHI_ARG_DEF (phi, i);
671 	      if (!phi_ssa_name_p (var))
673 	      stmt = SSA_NAME_DEF_STMT (var);
680 		add_livein_if_notdef (live, saw_def, var, e->src);
693 	  var = PHI_RESULT (phi);
694 	  set_if_valid (map, saw_def, var);
736 	  var = partition_to_var (map, i);
737 	  stmt = SSA_NAME_DEF_STMT (var);
739 	  d = default_def (SSA_NAME_VAR (var));
746 		  print_generic_expr (stderr, var, TDF_SLIM);
758 		  if (d != var)
761 		      print_generic_expr (stderr, var, TDF_SLIM);
775 	    if (d == var)
777 		/* The only way this var shouldn't be marked live on entry is
785 		      if (var == PHI_ARG_DEF (phi, z))
794 		print_generic_expr (stderr, var, TDF_SLIM);
1029       /* The var map may not be compacted yet, so check for NULL.  */
1369 			var_map map, bitmap vec, tree var)
1372   p = var_to_partition (map, var);
1484 	      tree var;
1485 	      FOR_EACH_SSA_TREE_OPERAND (var, stmt, iter, SSA_OP_DEF)
1487 		  add_conflicts_if_valid (tpa, graph, map, live, var);
1490 	      FOR_EACH_SSA_TREE_OPERAND (var, stmt, iter, SSA_OP_USE)
1492 		  set_if_valid (map, live, var);
1568   tree var, tmp;
1598 	  var = partition_to_var (map, x);
1600 	  x = var_to_partition (map, var);
1612 	      z = var_union (map, var, tmp);
1655 	  var = partition_to_var (map, y);
1657 	  p1 = var_to_partition (map, var);
1669 		  print_generic_expr (debug, var, TDF_SLIM);
1676 	      if (tmp == var)
1693 		    if ((v = var_union (map, var, tmp)) == NO_PARTITION)
1712 		    var = partition_to_var (map, p1);
1733   tree var;
1749 		  var = partition_to_var (cl->map, node->second_partition);
1750 		  print_generic_expr (f, var, TDF_SLIM);
1763 	  var = partition_to_var (cl->map, node->first_partition);
1764 	  print_generic_expr (f, var, TDF_SLIM);
1766 	  var = partition_to_var (cl->map, node->second_partition);
1767 	  print_generic_expr (f, var, TDF_SLIM);