Only check for recursive calls that are actual Halide calls.
Only check for recursive calls that are actual Halide calls.


Former-commit-id: e0fd0d66de8ff5a25d0eea6854ac07ebf5896026
Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide