1for (int c4 = 1; c4 <= n; c4 += 1)
2 s2(c4);
3for (int c1 = 1; c1 < n; c1 += 1) {
4 for (int c4 = 0; c4 < n - c1; c4 += 1)
5 s0(c1, n - c4);
6 for (int c3 = 0; c3 < n - c1; c3 += 1)
7 for (int c4 = c1 + 1; c4 <= n; c4 += 1)
8 s1(c1, n - c3, c4);
9}
10for (int c1 = 1; c1 <= n; c1 += 1) {
11 s4(c1);
12 for (int c3 = c1 + 1; c3 <= n; c3 += 1)
13 s3(c3, c1);
14}
15

source code of polly/lib/External/isl/test_inputs/codegen/omega/collard-0.c