def test_jump_target_other(self): looptoken = LoopToken() looptoken.I_am_a_descr = True # for the mock case x = ''' [] jump(descr=looptoken) ''' loop = self.parse(x, namespace=locals()) assert loop.operations[0].getdescr() is looptoken
def get_token_for_call(self, cpu): if self.loop_token is not None: return self.loop_token args = [BoxInt()] + self.instantiate_arg_classes() if self.get_result_size(cpu.translate_support_code) == 0: result = None result_list = [] else: if self.returns_a_pointer(): result = BoxPtr() elif self.returns_a_float(): result = BoxFloat() else: result = BoxInt() result_list = [result] operations = [ ResOperation(rop.CALL, args, result, self), ResOperation(rop.GUARD_NO_EXCEPTION, [], None, descr=BasicFailDescr()), ResOperation(rop.FINISH, result_list, None, descr=BasicFailDescr())] operations[1].fail_args = [] loop_token = LoopToken() cpu.compile_loop(args, operations, loop_token) self.loop_token = loop_token return loop_token
def test_overflow_mc(self): from pypy.jit.backend.x86.assembler import MachineCodeBlockWrapper orig_size = MachineCodeBlockWrapper.MC_SIZE MachineCodeBlockWrapper.MC_SIZE = 1024 old_mc = self.cpu.assembler.mc old_mc2 = self.cpu.assembler.mc2 self.cpu.assembler.mc = None try: ops = [] base_v = BoxInt() v = base_v for i in range(1024): next_v = BoxInt() ops.append(ResOperation(rop.INT_ADD, [v, ConstInt(1)], next_v)) v = next_v ops.append( ResOperation(rop.FINISH, [v], None, descr=BasicFailDescr())) looptoken = LoopToken() self.cpu.compile_loop([base_v], ops, looptoken) assert self.cpu.assembler.mc != old_mc # overflowed self.cpu.set_future_value_int(0, base_v.value) self.cpu.execute_token(looptoken) assert self.cpu.get_latest_value_int(0) == 1024 finally: MachineCodeBlockWrapper.MC_SIZE = orig_size self.cpu.assembler.mc = old_mc self.cpu.assembler.mc2 = old_mc2
def get_token_for_call(self, cpu): if self.loop_token is not None: return self.loop_token args = [BoxInt()] + self.instantiate_arg_classes() if self.get_result_size(cpu.translate_support_code) == 0: result = None result_list = [] else: if self.returns_a_pointer(): result = BoxPtr() elif self.returns_a_float(): result = BoxFloat() else: result = BoxInt() result_list = [result] operations = [ ResOperation(rop.CALL, args[:], result, self), ResOperation(rop.GUARD_NO_EXCEPTION, [], None, descr=BasicFailDescr()), ResOperation(rop.FINISH, result_list, None, descr=BasicFailDescr()) ] operations[1].fail_args = [] loop_token = LoopToken() # note: the 'args' that we pass below is not the same object as the # 'args[:]' that was passed above to ResOperation, because we want # the argument to ResOperation to be non-resizable, but the argument # to compile_loop to be resizable. cpu.compile_loop(args, operations, loop_token) self.loop_token = loop_token return loop_token
def test_jump_target_other(): looptoken = LoopToken() x = ''' [] jump(descr=looptoken) ''' loop = parse(x, namespace=locals()) assert loop.operations[0].descr is looptoken
def test_jump(self): namespace = {'target': LoopToken(3)} inp = ''' [i0] jump(i0, descr=target) ''' loop = pure_parse(inp, namespace=namespace) logger = Logger(self.ts) output = logger.log_loop(loop) assert output.splitlines()[-1] == "jump(i0, descr=<Loop3>)" pure_parse(output)
def test_insert_loop_token(): lst = [] # tok1 = LoopToken() tok1.specnodes = [NotSpecNode()] insert_loop_token(lst, tok1) assert lst == [tok1] # tok2 = LoopToken() tok2.specnodes = [ConstantSpecNode(ConstInt(8))] insert_loop_token(lst, tok2) assert lst == [tok2, tok1] # tok3 = LoopToken() tok3.specnodes = [ConstantSpecNode(ConstInt(-13))] insert_loop_token(lst, tok3) assert lst == [tok2, tok3, tok1]
def build_random_loop(self, cpu, builder_factory, r, startvars): loop = TreeLoop('test_random_function') loop.inputargs = startvars[:] loop.operations = [] loop.token = LoopToken() builder = builder_factory(cpu, loop, startvars[:]) self.generate_ops(builder, r, loop, startvars) self.builder = builder self.loop = loop cpu.compile_loop(loop.inputargs, loop.operations, loop.token)
def test_bug_rshift(): v1 = BoxInt() v2 = BoxInt() v3 = BoxInt() v4 = BoxInt() inputargs = [v1] operations = [ ResOperation(rop.INT_ADD, [v1, v1], v2), ResOperation(rop.INT_INVERT, [v2], v3), ResOperation(rop.UINT_RSHIFT, [v1, ConstInt(3)], v4), ResOperation(rop.FINISH, [v4, v3], None, descr=BasicFailDescr()), ] cpu = CPU(None, None) looptoken = LoopToken() cpu.compile_loop(inputargs, operations, looptoken) cpu.set_future_value_int(0, 9) cpu.execute_token(looptoken) assert cpu.get_latest_value_int(0) == (9 >> 3) assert cpu.get_latest_value_int(1) == (~18)
def __init__(self, input, cpu, namespace, type_system, boxkinds, invent_fail_descr=default_fail_descr): self.input = input self.vars = {} self.cpu = cpu self._consts = namespace self.type_system = type_system self.boxkinds = boxkinds or {} if namespace is not None: self._cache = namespace.setdefault('_CACHE_', {}) else: self._cache = {} self.invent_fail_descr = invent_fail_descr self.looptoken = LoopToken()
def test_stuff_followed_by_guard(self): boxes = [(BoxInt(1), BoxInt(0)), (BoxInt(0), BoxInt(1)), (BoxInt(1), BoxInt(1)), (BoxInt(-1), BoxInt(1)), (BoxInt(1), BoxInt(-1)), (ConstInt(1), BoxInt(0)), (ConstInt(0), BoxInt(1)), (ConstInt(1), BoxInt(1)), (ConstInt(-1), BoxInt(1)), (ConstInt(1), BoxInt(-1)), (BoxInt(1), ConstInt(0)), (BoxInt(0), ConstInt(1)), (BoxInt(1), ConstInt(1)), (BoxInt(-1), ConstInt(1)), (BoxInt(1), ConstInt(-1))] guards = [rop.GUARD_FALSE, rop.GUARD_TRUE] all = [ rop.INT_EQ, rop.INT_NE, rop.INT_LE, rop.INT_LT, rop.INT_GT, rop.INT_GE, rop.UINT_GT, rop.UINT_LT, rop.UINT_LE, rop.UINT_GE ] for a, b in boxes: for guard in guards: for op in all: res = BoxInt() i1 = BoxInt(1) ops = [ ResOperation(rop.SAME_AS, [ConstInt(1)], i1), ResOperation(op, [a, b], res), ResOperation(guard, [res], None, descr=BasicFailDescr()), ResOperation(rop.FINISH, [ConstInt(0)], None, descr=BasicFailDescr()), ] ops[-2].fail_args = [i1] inputargs = [i for i in (a, b) if isinstance(i, Box)] looptoken = LoopToken() self.cpu.compile_loop(inputargs, ops, looptoken) for i, box in enumerate(inputargs): self.cpu.set_future_value_int(i, box.value) r = self.cpu.execute_token(looptoken) result = self.cpu.get_latest_value_int(0) expected = execute(self.cpu, op, None, a, b).value if guard == rop.GUARD_FALSE: assert result == expected else: assert result != expected
def test_bug_int_is_true_1(): v1 = BoxInt() v2 = BoxInt() v3 = BoxInt() v4 = BoxInt() tmp5 = BoxInt() inputargs = [v1] operations = [ ResOperation(rop.INT_MUL, [v1, v1], v2), ResOperation(rop.INT_MUL, [v2, v1], v3), ResOperation(rop.INT_IS_TRUE, [v2], tmp5), ResOperation(rop.BOOL_NOT, [tmp5], v4), ResOperation(rop.FINISH, [v4, v3, tmp5], None, descr=BasicFailDescr()), ] cpu = CPU(None, None) looptoken = LoopToken() cpu.compile_loop(inputargs, operations, looptoken) cpu.set_future_value_int(0, -10) cpu.execute_token(looptoken) assert cpu.get_latest_value_int(0) == 0 assert cpu.get_latest_value_int(1) == -1000 assert cpu.get_latest_value_int(2) == 1
def test_nullity_with_guard(self): allops = [rop.OONONNULL, rop.OOISNULL, rop.INT_IS_TRUE] guards = [rop.GUARD_TRUE, rop.GUARD_FALSE] p = lltype.cast_opaque_ptr(llmemory.GCREF, lltype.malloc(lltype.GcStruct('x'))) nullptr = lltype.nullptr(llmemory.GCREF.TO) f = BoxInt() for op in allops: for guard in guards: if op == rop.INT_IS_TRUE: bp = BoxInt(1) n = BoxInt(0) else: bp = BoxPtr(p) n = BoxPtr(nullptr) for b in (bp, n): i1 = BoxInt(1) ops = [ ResOperation(rop.SAME_AS, [ConstInt(1)], i1), ResOperation(op, [b], f), ResOperation(guard, [f], None, descr=BasicFailDescr()), ResOperation(rop.FINISH, [ConstInt(0)], None, descr=BasicFailDescr()), ] ops[-2].fail_args = [i1] looptoken = LoopToken() self.cpu.compile_loop([b], ops, looptoken) if op == rop.INT_IS_TRUE: self.cpu.set_future_value_int(0, b.value) else: self.cpu.set_future_value_ref(0, b.value) r = self.cpu.execute_token(looptoken) result = self.cpu.get_latest_value_int(0) if guard == rop.GUARD_FALSE: assert result == execute(self.cpu, op, None, b).value else: assert result != execute(self.cpu, op, None, b).value
def make_loop_token(nb_args, jitdriver_sd): loop_token = LoopToken() loop_token.outermost_jitdriver_sd = jitdriver_sd return loop_token
def test_call_alignment_call_assembler(self): from pypy.rlib.libffi import types cpu = self.cpu if not cpu.supports_floats: py.test.skip('requires floats') fdescr3 = BasicFailDescr(3) fdescr4 = BasicFailDescr(4) def assembler_helper(failindex, virtualizable): assert 0, 'should not be called, but was with failindex (%d)' % failindex return 13 FUNCPTR = lltype.Ptr(lltype.FuncType([lltype.Signed, llmemory.GCREF], lltype.Signed)) class FakeJitDriverSD: index_of_virtualizable = -1 _assembler_helper_ptr = llhelper(FUNCPTR, assembler_helper) assembler_helper_adr = llmemory.cast_ptr_to_adr( _assembler_helper_ptr) floats = [0.7, 5.8, 0.1, 0.3, 0.9, -2.34, -3.45, -4.56] ints = [7, 11, 23, 42, -42, 1111, 95, 1] for case in range(256): float_count = 0 int_count = 0 args = [] called_ops = '' total_index = -1 for i in range(8): if case & (1<<i): args.append('f%d' % float_count) else: args.append('i%d' % int_count) called_ops += 'f%d = cast_int_to_float(i%d)\n' % ( float_count, int_count) int_count += 1 if total_index == -1: total_index = float_count float_count += 1 else: called_ops += 'f%d = float_add(f%d, f%d)\n' % ( float_count + 1, total_index, float_count) total_index = float_count + 1 float_count += 2 arguments = ', '.join(args) called_ops = '[%s]\n' % arguments + called_ops called_ops += 'finish(f%d, descr=fdescr3)\n' % total_index # compile called loop called_loop = parse(called_ops, namespace=locals()) called_looptoken = LoopToken() called_looptoken.outermost_jitdriver_sd = FakeJitDriverSD() done_number = self.cpu.get_fail_descr_number(called_loop.operations[-1].getdescr()) self.cpu.compile_loop(called_loop.inputargs, called_loop.operations, called_looptoken) expected_result = self._prepare_args(args, floats, ints) res = cpu.execute_token(called_looptoken) assert res.identifier == 3 t = longlong.getrealfloat(cpu.get_latest_value_float(0)) assert abs(t - expected_result) < 0.0001 ARGS = [] RES = lltype.Float for x in args: if x[0] == 'f': ARGS.append(lltype.Float) else: ARGS.append(lltype.Signed) FakeJitDriverSD.portal_calldescr = self.cpu.calldescrof( lltype.Ptr(lltype.FuncType(ARGS, RES)), ARGS, RES) ops = ''' [%s] f99 = call_assembler(%s, descr=called_looptoken) guard_not_forced()[] finish(f99, descr=fdescr4) ''' % (arguments, arguments) loop = parse(ops, namespace=locals()) # we want to take the fast path self.cpu.done_with_this_frame_float_v = done_number try: othertoken = LoopToken() self.cpu.compile_loop(loop.inputargs, loop.operations, othertoken) # prepare call to called_loop self._prepare_args(args, floats, ints) res = cpu.execute_token(othertoken) x = longlong.getrealfloat(cpu.get_latest_value_float(0)) assert res.identifier == 4 assert abs(x - expected_result) < 0.0001 finally: del self.cpu.done_with_this_frame_float_v
def test_compile_bridge_check_profile_info(self): py.test.skip("does not work, reinvestigate") class FakeProfileAgent(object): def __init__(self): self.functions = [] def native_code_written(self, name, address, size): self.functions.append((name, address, size)) self.cpu.profile_agent = agent = FakeProfileAgent() i0 = BoxInt() i1 = BoxInt() i2 = BoxInt() faildescr1 = BasicFailDescr(1) faildescr2 = BasicFailDescr(2) looptoken = LoopToken() looptoken.number = 17 class FakeString(object): def __init__(self, val): self.val = val def _get_str(self): return self.val operations = [ ResOperation(rop.DEBUG_MERGE_POINT, [FakeString("hello"), 0], None), ResOperation(rop.INT_ADD, [i0, ConstInt(1)], i1), ResOperation(rop.INT_LE, [i1, ConstInt(9)], i2), ResOperation(rop.GUARD_TRUE, [i2], None, descr=faildescr1), ResOperation(rop.JUMP, [i1], None, descr=looptoken), ] inputargs = [i0] operations[3].setfailargs([i1]) self.cpu.compile_loop(inputargs, operations, looptoken) name, loopaddress, loopsize = agent.functions[0] assert name == "Loop # 17: hello (loop counter 0)" assert loopaddress <= looptoken._x86_loop_code assert loopsize >= 40 # randomish number i1b = BoxInt() i3 = BoxInt() bridge = [ ResOperation(rop.INT_LE, [i1b, ConstInt(19)], i3), ResOperation(rop.GUARD_TRUE, [i3], None, descr=faildescr2), ResOperation(rop.DEBUG_MERGE_POINT, [FakeString("bye"), 0], None), ResOperation(rop.JUMP, [i1b], None, descr=looptoken), ] bridge[1].setfailargs([i1b]) self.cpu.compile_bridge(faildescr1, [i1b], bridge, looptoken) name, address, size = agent.functions[1] assert name == "Bridge # 0: bye (loop counter 1)" # Would be exactly ==, but there are some guard failure recovery # stubs in-between assert address >= loopaddress + loopsize assert size >= 10 # randomish number self.cpu.set_future_value_int(0, 2) fail = self.cpu.execute_token(looptoken) assert fail.identifier == 2 res = self.cpu.get_latest_value_int(0) assert res == 20
def test_bug_0(): v1 = BoxInt() v2 = BoxInt() v3 = BoxInt() v4 = BoxInt() v5 = BoxInt() v6 = BoxInt() v7 = BoxInt() v8 = BoxInt() v9 = BoxInt() v10 = BoxInt() v11 = BoxInt() v12 = BoxInt() v13 = BoxInt() v14 = BoxInt() v15 = BoxInt() v16 = BoxInt() v17 = BoxInt() v18 = BoxInt() v19 = BoxInt() v20 = BoxInt() v21 = BoxInt() v22 = BoxInt() v23 = BoxInt() v24 = BoxInt() v25 = BoxInt() v26 = BoxInt() v27 = BoxInt() v28 = BoxInt() v29 = BoxInt() v30 = BoxInt() v31 = BoxInt() v32 = BoxInt() v33 = BoxInt() v34 = BoxInt() v35 = BoxInt() v36 = BoxInt() v37 = BoxInt() v38 = BoxInt() v39 = BoxInt() v40 = BoxInt() tmp41 = BoxInt() tmp42 = BoxInt() tmp43 = BoxInt() tmp44 = BoxInt() tmp45 = BoxInt() tmp46 = BoxInt() inputargs = [v1, v2, v3, v4, v5, v6, v7, v8, v9, v10] operations = [ ResOperation(rop.UINT_GT, [v3, ConstInt(-48)], v11), ResOperation(rop.INT_XOR, [v8, v1], v12), ResOperation(rop.INT_GT, [v6, ConstInt(-9)], v13), ResOperation(rop.INT_LE, [v13, v2], v14), ResOperation(rop.INT_LE, [v11, v5], v15), ResOperation(rop.UINT_GE, [v13, v13], v16), ResOperation(rop.INT_OR, [v9, ConstInt(-23)], v17), ResOperation(rop.INT_LT, [v10, v13], v18), ResOperation(rop.INT_OR, [v15, v5], v19), ResOperation(rop.INT_XOR, [v17, ConstInt(54)], v20), ResOperation(rop.INT_MUL, [v8, v10], v21), ResOperation(rop.INT_OR, [v3, v9], v22), ResOperation(rop.INT_AND, [v11, ConstInt(-4)], tmp41), ResOperation(rop.INT_OR, [tmp41, ConstInt(1)], tmp42), ResOperation(rop.INT_MOD, [v12, tmp42], v23), ResOperation(rop.INT_IS_TRUE, [v6], v24), ResOperation(rop.UINT_RSHIFT, [v15, ConstInt(6)], v25), ResOperation(rop.INT_OR, [ConstInt(-4), v25], v26), ResOperation(rop.INT_INVERT, [v8], v27), ResOperation(rop.INT_SUB, [ConstInt(-113), v11], v28), ResOperation(rop.INT_NEG, [v7], v29), ResOperation(rop.INT_NEG, [v24], v30), ResOperation(rop.INT_FLOORDIV, [v3, ConstInt(53)], v31), ResOperation(rop.INT_MUL, [v28, v27], v32), ResOperation(rop.INT_AND, [v18, ConstInt(-4)], tmp43), ResOperation(rop.INT_OR, [tmp43, ConstInt(1)], tmp44), ResOperation(rop.INT_MOD, [v26, tmp44], v33), ResOperation(rop.INT_OR, [v27, v19], v34), ResOperation(rop.UINT_LT, [v13, ConstInt(1)], v35), ResOperation(rop.INT_AND, [v21, ConstInt(31)], tmp45), ResOperation(rop.INT_RSHIFT, [v21, tmp45], v36), ResOperation(rop.INT_AND, [v20, ConstInt(31)], tmp46), ResOperation(rop.UINT_RSHIFT, [v4, tmp46], v37), ResOperation(rop.UINT_GT, [v33, ConstInt(-11)], v38), ResOperation(rop.INT_NEG, [v7], v39), ResOperation(rop.INT_GT, [v24, v32], v40), ResOperation(rop.FINISH, [v40, v36, v37, v31, v16, v34, v35, v23, v22, v29, v14, v39, v30, v38], None, descr=BasicFailDescr()), ] cpu = CPU(None, None) looptoken = LoopToken() cpu.compile_loop(inputargs, operations, looptoken) cpu.set_future_value_int(0, -13) cpu.set_future_value_int(1, 10) cpu.set_future_value_int(2, 10) cpu.set_future_value_int(3, 8) cpu.set_future_value_int(4, -8) cpu.set_future_value_int(5, -16) cpu.set_future_value_int(6, -18) cpu.set_future_value_int(7, 46) cpu.set_future_value_int(8, -12) cpu.set_future_value_int(9, 26) cpu.execute_token(looptoken) assert cpu.get_latest_value_int(0) == 0 assert cpu.get_latest_value_int(1) == 0 assert cpu.get_latest_value_int(2) == 0 assert cpu.get_latest_value_int(3) == 0 assert cpu.get_latest_value_int(4) == 1 assert cpu.get_latest_value_int(5) == -7 assert cpu.get_latest_value_int(6) == 1 assert cpu.get_latest_value_int(7) == 0 assert cpu.get_latest_value_int(8) == -2 assert cpu.get_latest_value_int(9) == 18 assert cpu.get_latest_value_int(10) == 1 assert cpu.get_latest_value_int(11) == 18 assert cpu.get_latest_value_int(12) == -1 assert cpu.get_latest_value_int(13) == 0
def make_loop_token(nb_args): loop_token = LoopToken() loop_token.specnodes = [prebuiltNotSpecNode] * nb_args return loop_token
def test_bug_1(): v1 = BoxInt() v2 = BoxInt() v3 = BoxInt() v4 = BoxInt() v5 = BoxInt() v6 = BoxInt() v7 = BoxInt() v8 = BoxInt() v9 = BoxInt() v10 = BoxInt() v11 = BoxInt() v12 = BoxInt() v13 = BoxInt() v14 = BoxInt() v15 = BoxInt() v16 = BoxInt() v17 = BoxInt() v18 = BoxInt() v19 = BoxInt() v20 = BoxInt() v21 = BoxInt() v22 = BoxInt() v23 = BoxInt() v24 = BoxInt() v25 = BoxInt() v26 = BoxInt() v27 = BoxInt() v28 = BoxInt() v29 = BoxInt() v30 = BoxInt() v31 = BoxInt() v32 = BoxInt() v33 = BoxInt() v34 = BoxInt() v35 = BoxInt() v36 = BoxInt() v37 = BoxInt() v38 = BoxInt() v39 = BoxInt() v40 = BoxInt() tmp41 = BoxInt() tmp42 = BoxInt() tmp43 = BoxInt() tmp44 = BoxInt() tmp45 = BoxInt() inputargs = [v1, v2, v3, v4, v5, v6, v7, v8, v9, v10] operations = [ ResOperation(rop.UINT_LT, [v6, ConstInt(0)], v11), ResOperation(rop.INT_AND, [v3, ConstInt(31)], tmp41), ResOperation(rop.INT_RSHIFT, [v3, tmp41], v12), ResOperation(rop.INT_NEG, [v2], v13), ResOperation(rop.INT_ADD, [v11, v7], v14), ResOperation(rop.INT_OR, [v3, v2], v15), ResOperation(rop.INT_OR, [v12, v12], v16), ResOperation(rop.INT_NE, [v2, v5], v17), ResOperation(rop.INT_AND, [v5, ConstInt(31)], tmp42), ResOperation(rop.UINT_RSHIFT, [v14, tmp42], v18), ResOperation(rop.INT_AND, [v14, ConstInt(31)], tmp43), ResOperation(rop.INT_LSHIFT, [ConstInt(7), tmp43], v19), ResOperation(rop.INT_NEG, [v19], v20), ResOperation(rop.INT_MOD, [v3, ConstInt(1)], v21), ResOperation(rop.UINT_GE, [v15, v1], v22), ResOperation(rop.INT_AND, [v16, ConstInt(31)], tmp44), ResOperation(rop.INT_LSHIFT, [v8, tmp44], v23), ResOperation(rop.INT_IS_TRUE, [v17], v24), ResOperation(rop.INT_AND, [v5, ConstInt(31)], tmp45), ResOperation(rop.INT_LSHIFT, [v14, tmp45], v25), ResOperation(rop.INT_LSHIFT, [v5, ConstInt(17)], v26), ResOperation(rop.INT_EQ, [v9, v15], v27), ResOperation(rop.INT_GE, [ConstInt(0), v6], v28), ResOperation(rop.INT_NEG, [v15], v29), ResOperation(rop.INT_NEG, [v22], v30), ResOperation(rop.INT_ADD, [v7, v16], v31), ResOperation(rop.UINT_LT, [v19, v19], v32), ResOperation(rop.INT_ADD, [v2, ConstInt(1)], v33), ResOperation(rop.INT_NEG, [v5], v34), ResOperation(rop.INT_ADD, [v17, v24], v35), ResOperation(rop.UINT_LT, [ConstInt(2), v16], v36), ResOperation(rop.INT_NEG, [v9], v37), ResOperation(rop.INT_GT, [v4, v11], v38), ResOperation(rop.INT_LT, [v27, v22], v39), ResOperation(rop.INT_NEG, [v27], v40), ResOperation(rop.FINISH, [v40, v10, v36, v26, v13, v30, v21, v33, v18, v25, v31, v32, v28, v29, v35, v38, v20, v39, v34, v23, v37], None, descr=BasicFailDescr()), ] cpu = CPU(None, None) looptoken = LoopToken() cpu.compile_loop(inputargs, operations, looptoken) cpu.set_future_value_int(0, 17) cpu.set_future_value_int(1, -20) cpu.set_future_value_int(2, -6) cpu.set_future_value_int(3, 6) cpu.set_future_value_int(4, 1) cpu.set_future_value_int(5, 13) cpu.set_future_value_int(6, 13) cpu.set_future_value_int(7, 9) cpu.set_future_value_int(8, 49) cpu.set_future_value_int(9, 8) cpu.execute_token(looptoken) assert cpu.get_latest_value_int(0) == 0 assert cpu.get_latest_value_int(1) == 8 assert cpu.get_latest_value_int(2) == 1 assert cpu.get_latest_value_int(3) == 131072 assert cpu.get_latest_value_int(4) == 20 assert cpu.get_latest_value_int(5) == -1 assert cpu.get_latest_value_int(6) == 0 assert cpu.get_latest_value_int(7) == -19 assert cpu.get_latest_value_int(8) == 6 assert cpu.get_latest_value_int(9) == 26 assert cpu.get_latest_value_int(10) == 12 assert cpu.get_latest_value_int(11) == 0 assert cpu.get_latest_value_int(12) == 0 assert cpu.get_latest_value_int(13) == 2 assert cpu.get_latest_value_int(14) == 2 assert cpu.get_latest_value_int(15) == 1 assert cpu.get_latest_value_int(16) == -57344 assert cpu.get_latest_value_int(17) == 1 assert cpu.get_latest_value_int(18) == -1 assert cpu.get_latest_value_int(19) == -2147483648 assert cpu.get_latest_value_int(20) == -49