def remove(self, elem):
        """Remove a requirement.

        :param elem: a string or :class:`Requirement` instance.
        """
        if isinstance(elem, text_type):
            for requirement in self:
                if requirement.package == elem:
                    return super(Requirements, self).remove(requirement)
        return super(Requirements, self).remove(elem)
def test_if_likely():
    ib = tvm.tir.ir_builder.create()
    A = ib.pointer("float32", name="A")
    C = ib.pointer("float32", name="C")
    n = te.size_var("n")
    tx = te.thread_axis("threadIdx.x")
    ty = te.thread_axis("threadIdx.y")
    ib.scope_attr(tx, "thread_extent", 32)
    ib.scope_attr(ty, "thread_extent", 32)
    with ib.if_scope(ib.likely(tx * 32 + ty < n)):
        with ib.if_scope(ib.likely(tx * 32 + ty < n)):
            A[tx] = C[tx * 32 + ty]
    body = ib.get()
    mod = tvm.IRModule.from_expr(tvm.tir.PrimFunc([A, C, n], body))
    body = tvm.tir.transform.Simplify()(mod)["main"].body
    assert isinstance(body.body.body, tvm.tir.IfThenElse)
    assert not isinstance(body.body.body.then_case, tvm.tir.IfThenElse)