gcc/libgomp/testsuite/libgomp.c/pr46886.c

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/* { dg-do run } */
/* { dg-options "-O -ftree-parallelize-loops=4 -fno-tree-ch -fno-tree-dominator-opts" } */
void abort(void);
int d[1024], e[1024];
int foo (void)
{
int s = 0;
int i;
for (i = 0; i < 1024; i++)
s += d[i] - e[i];
return s;
}
int main ()
{
int i;
for (i = 0; i < 1024; i++)
{
d[i] = i * 2;
e[i] = i;
}
if (foo () != 1023 * 1024 / 2)
abort ();
return 0;
}