Added print_loop_nest() to the list of supported calls on Generator outputs.
Added print_loop_nest() to the list of supported calls on Generator outputs.


Former-commit-id: 1260f86ccd062ff31eb0172c84b79a14e82dcb22
Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide