1for (int c0 = 0; c0 <= 64; c0 += 1) {
2 if (c0 >= 63) {
3 sync();
4 } else if (c0 >= 1) {
5 sync();
6 } else {
7 sync();
8 }
9}
10

source code of polly/lib/External/isl/test_inputs/codegen/atomic3.c