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- skip Confirm and Cast for address calculation
[libfirm]
/
ir
/
opt
/
return.c
diff --git
a/ir/opt/return.c
b/ir/opt/return.c
index
99750cd
..
ebfb2f3
100644
(file)
--- a/
ir/opt/return.c
+++ b/
ir/opt/return.c
@@
-62,8
+62,9
@@
void normalize_one_return(ir_graph *irg) {
int i, j, k, n, last_idx, n_rets, n_ret_vals = -1;
unsigned char *returns;
ir_node **in, **retvals, **endbl_in;
int i, j, k, n, last_idx, n_rets, n_ret_vals = -1;
unsigned char *returns;
ir_node **in, **retvals, **endbl_in;
-
ir_node *block;
ir_node *block;
+ int filter_dbgi = 0;
+ dbg_info *combined_dbgi = NULL;
/* look, if we have more than one return */
n = get_Block_n_cfgpreds(endbl);
/* look, if we have more than one return */
n = get_Block_n_cfgpreds(endbl);
@@
-79,6
+80,17
@@
void normalize_one_return(ir_graph *irg) {
ir_node *node = get_Block_cfgpred(endbl, i);
if (is_Return(node)) {
ir_node *node = get_Block_cfgpred(endbl, i);
if (is_Return(node)) {
+ dbg_info *dbgi = get_irn_dbg_info(node);
+
+ if (dbgi != NULL && dbgi != combined_dbgi) {
+ if (filter_dbgi) {
+ combined_dbgi = NULL;
+ } else {
+ combined_dbgi = dbgi;
+ filter_dbgi = 1;
+ }
+ }
+
++n_rets;
set_bit(i);
++n_rets;
set_bit(i);
@@
-140,7
+152,7
@@
void normalize_one_return(ir_graph *irg) {
in[i] = new_r_Phi(irg, block, n_rets, &retvals[j], get_irn_mode(retvals[j]));
}
in[i] = new_r_Phi(irg, block, n_rets, &retvals[j], get_irn_mode(retvals[j]));
}
- endbl_in[last_idx++] = new_r
_Return(
irg, block, in[0], n_ret_vals-1, &in[1]);
+ endbl_in[last_idx++] = new_r
d_Return(combined_dbgi,
irg, block, in[0], n_ret_vals-1, &in[1]);
set_irn_in(endbl, last_idx, endbl_in);
set_irn_in(endbl, last_idx, endbl_in);
@@
-186,7
+198,8
@@
static int can_move_ret(ir_node *ret) {
/* check, that predecessors are Jmps */
n = get_Block_n_cfgpreds(retbl);
/* check, that predecessors are Jmps */
n = get_Block_n_cfgpreds(retbl);
- if (n <= 1)
+ /* we cannot move above a labeled block, as this might kill the block */
+ if (n <= 1 || has_Block_label(retbl))
return 0;
for (i = 0; i < n; ++i) {
ir_node *pred = get_Block_cfgpred(retbl, i);
return 0;
for (i = 0; i < n; ++i) {
ir_node *pred = get_Block_cfgpred(retbl, i);