tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.

* tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
	* tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
	* tree-ssa-operands.c (get_expr_operands): Likewise.
	(get_expr_operands): Likewise for ERROR_MARK.

From-SVN: r96351
This commit is contained in:
Steven Bosscher 2005-03-12 20:53:19 +00:00
parent f39b4c073a
commit 7d3bf067e9
4 changed files with 16 additions and 17 deletions

View file

@ -1,3 +1,10 @@
2005-03-12 Steven Bosscher <stevenb@suse.de>
* tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
* tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
* tree-ssa-operands.c (get_expr_operands): Likewise.
(get_expr_operands): Likewise for ERROR_MARK.
2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
* tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
@ -213,12 +220,12 @@
2005-03-11 James A. Morrison <phython@gcc.gnu.org>
PR tree-optimization/15784
* fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
and -1 - A to ~A.
PR tree-optimization/15784
* fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
and -1 - A to ~A.
* stmt.c (expand_case): Don't change index_type. Convert minval
to the proper type.
* stmt.c (expand_case): Don't change index_type. Convert minval
to the proper type.
PR tree-optimization/20130
* fold-const.c (fold): Fold x * -1 into -x.

View file

@ -837,7 +837,7 @@ label_to_block (tree dest)
static void
make_goto_expr_edges (basic_block bb)
{
tree goto_t, dest;
tree goto_t;
basic_block target_bb;
int for_call;
block_stmt_iterator last = bsi_last (bb);
@ -848,13 +848,10 @@ make_goto_expr_edges (basic_block bb)
CALL_EXPR or MODIFY_EXPR), then the edge is an abnormal edge resulting
from a nonlocal goto. */
if (TREE_CODE (goto_t) != GOTO_EXPR)
{
dest = error_mark_node;
for_call = 1;
}
for_call = 1;
else
{
dest = GOTO_DESTINATION (goto_t);
tree dest = GOTO_DESTINATION (goto_t);
for_call = 0;
/* A GOTO to a local label creates normal edges. */

View file

@ -221,7 +221,6 @@ static inline void
mark_stmt_necessary (tree stmt, bool add_to_worklist)
{
gcc_assert (stmt);
gcc_assert (stmt != error_mark_node);
gcc_assert (!DECL_P (stmt));
if (NECESSARY (stmt))

View file

@ -998,10 +998,6 @@ get_stmt_operands (tree stmt)
_DECL. This indicates a bug in the gimplifier. */
gcc_assert (!SSA_VAR_P (stmt));
/* Ignore error statements. */
if (TREE_CODE (stmt) == ERROR_MARK)
return;
ann = get_stmt_ann (stmt);
/* If the statement has not been modified, the operands are still valid. */
@ -1037,7 +1033,7 @@ get_expr_operands (tree stmt, tree *expr_p, int flags)
tree expr = *expr_p;
stmt_ann_t s_ann = stmt_ann (stmt);
if (expr == NULL || expr == error_mark_node)
if (expr == NULL)
return;
code = TREE_CODE (expr);