def print_varargs(context, builder, sig, args):
    """This function is a generic 'print' wrapper for arbitrary types.
    It dispatches to the appropriate 'print' implementations above
    depending on the detected real types in the signature."""

    vprint = nvvmutils.declare_vprint(builder.module)

    formats = []
    values = []

    for i, (argtype, argval) in enumerate(zip(sig.args, args)):
        argfmt, argvals = print_item(argtype, context, builder, argval)
        formats.append(argfmt)
        values.extend(argvals)

    rawfmt = " ".join(formats) + "\n"
    if len(args) > 32:
        msg = ('CUDA print() cannot print more than 32 items. '
               'The raw format string will be emitted by the kernel instead.')
        warn(msg, NumbaWarning)

        rawfmt = rawfmt.replace('%', '%%')
    fmt = context.insert_string_const_addrspace(builder, rawfmt)
    array = cgutils.make_anonymous_struct(builder, values)
    arrayptr = cgutils.alloca_once_value(builder, array)

    vprint = nvvmutils.declare_vprint(builder.module)
    builder.call(vprint, (fmt, builder.bitcast(arrayptr, voidptr)))

    return context.get_dummy_value()
This function is a generic 'print' wrapper for arbitrary types.
    It dispatches to the appropriate 'print' implementations above
    depending on the detected real types in the signature.
numba/cuda/printimpl.py