/* Tree lowering pass. Lowers GIMPLE into unstructured form.
- Copyright (C) 2003, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
It now fills in for many such returns. Failure to remove this
will result in incorrect results for coverage analysis. */
x = TREE_VALUE (t);
-#ifdef USE_MAPPED_LOCATION
SET_EXPR_LOCATION (x, UNKNOWN_LOCATION);
-#else
- SET_EXPR_LOCUS (x, NULL);
-#endif
tsi_link_after (&i, x, TSI_CONTINUE_LINKING);
}
/* Build 'DISP_VAR = __builtin_setjmp_dispatcher (DISP_LABEL);'
and insert. */
disp_var = create_tmp_var (ptr_type_node, "setjmpvar");
- t = build_addr (disp_label, current_function_decl);
- arg = tree_cons (NULL, t, NULL);
+ arg = build_addr (disp_label, current_function_decl);
t = implicit_built_in_decls[BUILT_IN_SETJMP_DISPATCHER];
- t = build_function_call_expr (t,arg);
- x = build2 (GIMPLE_MODIFY_STMT, void_type_node, disp_var, t);
+ t = build_call_expr (t, 1, arg);
+ x = build_gimple_modify_stmt (disp_var, t);
/* Build 'goto DISP_VAR;' and insert. */
tsi_link_after (&i, x, TSI_CONTINUE_LINKING);
return 0;
}
-struct tree_opt_pass pass_lower_cf =
+struct gimple_opt_pass pass_lower_cf =
{
+ {
+ GIMPLE_PASS,
"lower", /* name */
NULL, /* gate */
lower_function_body, /* execute */
PROP_gimple_lcf, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- TODO_dump_func, /* todo_flags_finish */
- 0 /* letter */
+ TODO_dump_func /* todo_flags_finish */
+ }
};
case NOP_EXPR:
case ASM_EXPR:
case GOTO_EXPR:
+ case PREDICT_EXPR:
case LABEL_EXPR:
case SWITCH_EXPR:
+ case CHANGE_DYNAMIC_TYPE_EXPR:
case OMP_FOR:
case OMP_SECTIONS:
+ case OMP_SECTIONS_SWITCH:
case OMP_SECTION:
case OMP_SINGLE:
case OMP_MASTER:
case OMP_ORDERED:
case OMP_CRITICAL:
case OMP_RETURN:
+ case OMP_ATOMIC_LOAD:
+ case OMP_ATOMIC_STORE:
case OMP_CONTINUE:
break;
This is a subroutine of block_may_fallthru. */
static bool
-try_catch_may_fallthru (tree stmt)
+try_catch_may_fallthru (const_tree stmt)
{
tree_stmt_iterator i;
If we're wrong, we'll just delete the extra code later. */
bool
-block_may_fallthru (tree block)
+block_may_fallthru (const_tree block)
{
- tree stmt = expr_last (block);
+ /* This CONST_CAST is okay because expr_last returns it's argument
+ unmodified and we assign it to a const_tree. */
+ const_tree stmt = expr_last (CONST_CAST_TREE(block));
switch (stmt ? TREE_CODE (stmt) : ERROR_MARK)
{
dest = NULL_TREE;
/* Build '__builtin_setjmp_setup (BUF, NEXT_LABEL)' and insert. */
- t = build_addr (next_label, current_function_decl);
- arg = tree_cons (NULL, t, NULL);
- t = TREE_VALUE (GENERIC_TREE_OPERAND (stmt, 1));
- arg = tree_cons (NULL, t, arg);
+ arg = build_addr (next_label, current_function_decl);
t = implicit_built_in_decls[BUILT_IN_SETJMP_SETUP];
- t = build_function_call_expr (t, arg);
+ t = build_call_expr (t, 2, CALL_EXPR_ARG (stmt, 0), arg);
SET_EXPR_LOCUS (t, EXPR_LOCUS (stmt));
tsi_link_before (tsi, t, TSI_SAME_STMT);
/* Build 'DEST = 0' and insert. */
if (dest)
{
- t = build2 (GIMPLE_MODIFY_STMT, void_type_node, dest, integer_zero_node);
+ t = build_gimple_modify_stmt (dest, fold_convert (TREE_TYPE (dest),
+ integer_zero_node));
SET_EXPR_LOCUS (t, EXPR_LOCUS (stmt));
tsi_link_before (tsi, t, TSI_SAME_STMT);
}
tsi_link_before (tsi, t, TSI_SAME_STMT);
/* Build '__builtin_setjmp_receiver (NEXT_LABEL)' and insert. */
- t = build_addr (next_label, current_function_decl);
- arg = tree_cons (NULL, t, NULL);
+ arg = build_addr (next_label, current_function_decl);
t = implicit_built_in_decls[BUILT_IN_SETJMP_RECEIVER];
- t = build_function_call_expr (t, arg);
+ t = build_call_expr (t, 1, arg);
SET_EXPR_LOCUS (t, EXPR_LOCUS (stmt));
tsi_link_before (tsi, t, TSI_SAME_STMT);
/* Build 'DEST = 1' and insert. */
if (dest)
{
- t = build2 (GIMPLE_MODIFY_STMT, void_type_node, dest, integer_one_node);
+ t = build_gimple_modify_stmt (dest, fold_convert (TREE_TYPE (dest),
+ integer_one_node));
SET_EXPR_LOCUS (t, EXPR_LOCUS (stmt));
tsi_link_before (tsi, t, TSI_SAME_STMT);
}
void
record_vars_into (tree vars, tree fn)
{
- struct function *saved_cfun = cfun;
-
if (fn != current_function_decl)
- cfun = DECL_STRUCT_FUNCTION (fn);
+ push_cfun (DECL_STRUCT_FUNCTION (fn));
for (; vars; vars = TREE_CHAIN (vars))
{
continue;
/* Record the variable. */
- cfun->unexpanded_var_list = tree_cons (NULL_TREE, var,
- cfun->unexpanded_var_list);
+ cfun->local_decls = tree_cons (NULL_TREE, var,
+ cfun->local_decls);
}
if (fn != current_function_decl)
- cfun = saved_cfun;
+ pop_cfun ();
}
}
-struct tree_opt_pass pass_mark_used_blocks =
+struct gimple_opt_pass pass_mark_used_blocks =
{
+ {
+ GIMPLE_PASS,
"blocks", /* name */
NULL, /* gate */
mark_used_blocks, /* execute */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- TODO_dump_func, /* todo_flags_finish */
- 0 /* letter */
+ TODO_dump_func /* todo_flags_finish */
+ }
};