contrib/gcc/tree-ssa-forwprop.c

609 						  tree stmt, tree use_stmt)
651   TREE_OPERAND (use_stmt, 1) = unshare_expr (TREE_OPERAND (stmt, 1));
652   TREE_OPERAND (TREE_OPERAND (TREE_OPERAND (use_stmt, 1), 0), 1) = index;
656   fold_stmt_inplace (use_stmt);
657   tidy_after_forward_propagate_addr (use_stmt);
674 forward_propagate_addr_expr_1 (tree stmt, tree use_stmt, bool *changed)
681   lhs = TREE_OPERAND (use_stmt, 0);
692       fold_stmt_inplace (use_stmt);
693       tidy_after_forward_propagate_addr (use_stmt);
705   else if (TREE_CODE (lhs) == SSA_NAME && TREE_OPERAND (use_stmt, 1) == name)
707       TREE_OPERAND (use_stmt, 1) = unshare_expr (TREE_OPERAND (stmt, 1));
708       tidy_after_forward_propagate_addr (use_stmt);
716   rhs = TREE_OPERAND (use_stmt, 1);
729       fold_stmt_inplace (use_stmt);
730       tidy_after_forward_propagate_addr (use_stmt);
762       if (fold_stmt_inplace (use_stmt))
764 	  tidy_after_forward_propagate_addr (use_stmt);
771 	  TREE_OPERAND (use_stmt, 1) = orig;
772 	  update_stmt (use_stmt);
791 							      stmt, use_stmt);
808 							      stmt, use_stmt);
831   tree use_stmt;
834   FOR_EACH_IMM_USE_STMT (use_stmt, iter, name)
840       if (TREE_CODE (use_stmt) != MODIFY_EXPR)
849       if (bb_for_stmt (use_stmt)->loop_depth > stmt_loop_depth)
855       /* If the use_stmt has side-effects, don't propagate into it.  */
856       if (stmt_ann (use_stmt)->has_volatile_ops)
862       result = forward_propagate_addr_expr_1 (stmt, use_stmt, some);