1for (int c0 = 1; c0 <= min(M, N); c0 += 1) {
2 S1(c0);
3 for (int c1 = 1; c1 <= M; c1 += 1)
4 S2(c0, c1);
5}
6for (int c0 = N + 1; c0 <= M; c0 += 1)
7 S1(c0);
8for (int c0 = M + 1; c0 <= N; c0 += 1)
9 for (int c1 = 1; c1 <= M; c1 += 1)
10 S2(c0, c1);
11

source code of polly/lib/External/isl/test_inputs/codegen/cloog/dot2.c