1for (int c0 = 0; c0 < -(n % 8) + n; c0 += 8) {
2 for (int c1 = 0; c1 < -(n % 8) + n; c1 += 8)
3 for (int c2 = 0; c2 <= 7; c2 += 1)
4 for (int c3 = 0; c3 <= 7; c3 += 1)
5 A(c0 + c2, c1 + c3);
6 for (int c2 = 0; c2 <= 7; c2 += 1)
7 for (int c3 = 0; c3 < n % 8; c3 += 1)
8 A(c0 + c2, -(n % 8) + n + c3);
9}
10for (int c1 = 0; c1 < n; c1 += 8)
11 for (int c2 = 0; c2 < n % 8; c2 += 1)
12 for (int c3 = 0; c3 <= min(7, n - c1 - 1); c3 += 1)
13 A(-(n % 8) + n + c2, c1 + c3);
14

source code of polly/lib/External/isl/test_inputs/codegen/separation_class2.c