llvm/polly/lib/External/isl/test_inputs/codegen/cloog/levenshtein-1-2-3.c

S1(0, 0);
for (int c0 = 1; c0 <= N; c0 += 1) {
  S2(c0, 0);
  for (int c1 = 1; c1 < c0; c1 += 1)
    S6(c0, c1);
  S3(c0, c0);
}
S7(N + 1, 0);
for (int c1 = 1; c1 <= N; c1 += 1) {
  S6(N + 1, c1);
  S8(N + 1, c1);
}
for (int c0 = N + 2; c0 < 2 * M - N - 1; c0 += 1) {
  S7(c0, -N + (N + c0 + 1) / 2 - 1);
  if ((N + c0) % 2 == 0) {
    S5(c0, (-N + c0) / 2);
    S8(c0, (-N + c0) / 2);
  }
  for (int c1 = -N + (N + c0) / 2 + 1; c1 < (N + c0 + 1) / 2; c1 += 1) {
    S6(c0, c1);
    S8(c0, c1);
  }
  if ((N + c0) % 2 == 0) {
    S4(c0, (N + c0) / 2);
    S8(c0, (N + c0) / 2);
  }
}
for (int c0 = 2 * M - N - 1; c0 < 2 * M - 1; c0 += 1)
  for (int c1 = -M + c0 + 1; c1 < M; c1 += 1)
    S6(c0, c1);