Move argv wrapper code to begin_func.
Move argv wrapper code to begin_func.


Former-commit-id: ebe4aecac4e85303b2b7fd19f059b49c3de1035d
darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide