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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-dom1-details -fdump-tree-optimized" } */
extern int status, pt;
extern int count;
void
foo (int N, int c, int b, int *a)
{
int i, flag;
i = b -1;
flag = 1;
if (status && i < N && a[i] == b) {
N--;
flag = 0;
if (pt)
count++;
}
else
for (i = -1, flag = 1; ++i < N && flag;)
if (a[i] == b)
{
--N;
flag = 0;
if (i < N)
a[i] = a[N];
else
a[i] = 0;
if (pt)
count++;
}
if(status && flag)
pt--;
}
/* There are 3 FSM jump threading opportunities. */
/* { dg-final { scan-tree-dump-times "FSM" 3 "dom1"} } */
/* There should be no assignments or references to FLAG. */
/* { dg-final { scan-tree-dump-not "flag" "optimized"} } */
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