1S3(1, 0);
2for (int c2 = 2; c2 <= M; c2 += 1)
3 S1(1, 1, c2);
4for (int c0 = 2; c0 <= M; c0 += 1) {
5 S4(c0, 0);
6 for (int c2 = c0 + 1; c2 <= M; c2 += 1)
7 S2(c0, 1, c2);
8}
9

source code of polly/lib/External/isl/test_inputs/codegen/cloog/forwardsub-2-1-2-3.c