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[libfirm]
/
ir
/
opt
/
return.c
diff --git
a/ir/opt/return.c
b/ir/opt/return.c
index
ce580ee
..
4d7e729
100644
(file)
--- a/
ir/opt/return.c
+++ b/
ir/opt/return.c
@@
-32,7
+32,6
@@
#include "ircons_t.h"
#include "irnode_t.h"
#include "irgmod.h"
#include "ircons_t.h"
#include "irnode_t.h"
#include "irgmod.h"
-#include "xmalloc.h"
#define set_bit(n) (returns[(n) >> 3] |= 1 << ((n) & 7))
#define get_bit(n) (returns[(n) >> 3] & (1 << ((n) & 7)))
#define set_bit(n) (returns[(n) >> 3] |= 1 << ((n) & 7))
#define get_bit(n) (returns[(n) >> 3] & (1 << ((n) & 7)))
@@
-190,6
+189,8
@@
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)
+ return 0;
for (i = 0; i < n; ++i) {
ir_node *pred = get_Block_cfgpred(retbl, i);
for (i = 0; i < n; ++i) {
ir_node *pred = get_Block_cfgpred(retbl, i);
@@
-202,9
+203,7
@@
static int can_move_ret(ir_node *ret) {
set_Block_cfgpred(retbl, i, jmp);
}
}
set_Block_cfgpred(retbl, i, jmp);
}
}
-
- /* if we have 0 control flow predecessors, we cannot move :-) */
- return n > 0;
+ return 1;
}
/*
}
/*