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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-cddce" } */
struct rtx_def;
typedef struct rtx_def *rtx;
extern const char rtx_class[];
union rtunion_def
{
rtx rtx;
};
typedef union rtunion_def rtunion;
struct rtx_def
{
int code;
rtunion fld[1];
};
static int
can_move_up (rtx insn, int n_insns)
{
while (n_insns > 0)
{
insn = (((insn)->fld[1]).rtx);
if (((rtx_class[(int) (((insn)->code))]) == 'i'))
n_insns--;
}
return n_insns <= 0;
}
int
com (rtx insn, int blah)
{
if (!can_move_up (insn, blah))
foo ();
}
/* Cddce cannot remove possibly infinite loops and there is no way how to
determine whether the loop in can_move_up ends. */
/* { dg-final { scan-tree-dump "if " "cddce"} } */
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