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/* Check that the two loops are fused and that we manage to fold the two xor
operations. */
/* { dg-options "-O2 -floop-nest-optimize -fdump-tree-forwprop-all" } */
/* { dg-do run } */
/* Make sure we fuse the loops like this:
ISL AST generated by ISL:
for (int c0 = 0; c0 <= 99; c0 += 1) {
S_3(c0);
S_6(c0);
S_9(c0);
}
*/
/* { dg-final { scan-tree-dump-times "ISL AST generated by ISL:.*for (int c0 = 0; c0 <= 99; c0 += 1) \{.*S_.*(c0);.*S_.*(c0);.*S_.*(c0);.*\}" 1 "graphite" } } */
/* Check that after fusing the loops, the scalar computation is also fused. */
/* { dg-final { scan-tree-dump-times "gimple_simplified to\[^\\n\]*\\^ 12" 1 "forwprop4" } } */
#define MAX 100
int A[MAX];
extern void abort ();
int
main (void)
{
int i;
for (i = 0; i < MAX; i++)
A[i] = i;
for(int i=0; i<MAX; i++)
A[i] ^= 4;
for(int i=0; i<MAX; i++)
A[i] ^= 8;
for (i = 0; i < MAX; i++)
if (A[i] != (i ^ 12))
abort ();
return 0;
}
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