add ut for tuple trans

mindspore/ccsrc/debug/anf_ir_dump.cc

@@ -683,6 +683,7 @@ void DumpSubgraph(const OrderedMap<FuncGraphPtr, std::shared_ptr<SubGraphIRInfo>
 }
 
 void SetDumpConfigByString(const std::string &str, DumpConfig *dump_config) {
+  MS_LOG(INFO) << "Set dump config:" << str;
   static mindspore::HashMap<std::string, enum LocDumpMode> dump_level_map = {
     {kDumpConfigLineLevel0, kOff}, {kDumpConfigLineLevel1, kTopStack}, {kDumpConfigLineLevel2, kWholeStack}};
   auto it = dump_level_map.find(str);
@@ -700,11 +701,64 @@ void SetDumpConfigByString(const std::string &str, DumpConfig *dump_config) {
   }
 }
 
+std::shared_ptr<OrderedSet<std::string>> GetAllConfigStrings(const std::string &config_full_string) {
+  size_t start_pos = 0;
+  auto config_strings = std::make_shared<OrderedSet<std::string>>();
+  // if '#' is the last char of str, the str is legal, so we use '<=' but not '<'.
+  while (start_pos <= config_full_string.size()) {
+    auto pos = config_full_string.find('#', start_pos);
+    if (pos == std::string::npos) {
+      pos = config_full_string.size();
+    }
+    auto substr = config_full_string.substr(start_pos, pos - start_pos);
+    // Skip the '#'
+    start_pos = pos + 1;
+    if (substr.empty()) {
+      continue;
+    }
+    (void)config_strings->insert(substr);
+  }
+  return config_strings;
+}
+
+bool ConfigsAreLegal(const std::shared_ptr<OrderedSet<std::string>> &config_strings) {
+  // Value 'int' is used to mark config group id
+  HashMap<std::string, int> config_white_list = {{kDumpConfigLineLevel0, 0},
+                                                 {kDumpConfigLineLevel1, 0},
+                                                 {kDumpConfigLineLevel2, 0},
+                                                 {kDumpConfigDisableBackend, 1},
+                                                 {kDumpConfigEnablePassIR, 2}};
+  // Key 'int' is config group id, value is the config.
+  HashMap<int, std::string> config_groups;
+  for (const auto &config_string : *config_strings) {
+    auto config_white_list_it = config_white_list.find(config_string);
+    if (config_white_list_it == config_white_list.end()) {
+      std::ostringstream buffer;
+      buffer << "Support configs:\n"
+             << "[0]: " << kDumpConfigLineLevel0 << "\n"
+             << "[1]: " << kDumpConfigLineLevel1 << "\n"
+             << "[2]: " << kDumpConfigLineLevel2 << "\n"
+             << "[3]: " << kDumpConfigDisableBackend << "\n"
+             << "[4]: " << kDumpConfigEnablePassIR;
+      MS_LOG(WARNING) << "Illegal dump config:\n" << config_string << "\n" << buffer.str();
+      return false;
+    }
+    auto group_id = config_white_list_it->second;
+    // Check conflict configs.
+    auto config_groups_it = config_groups.find(group_id);
+    if (config_groups_it != config_groups.end()) {
+      const auto &record_config = config_groups_it->second;
+      MS_LOG(WARNING) << "Dump configs are conflict. Conflict configs: [" << record_config << "] and [" << config_string
+                      << "].\n"
+                      << "Please keep only one of them.";
+      return false;
+    }
+    config_groups[group_id] = config_string;
+  }
+  return true;
+}
+
 DumpConfig GetDumpConfig() {
-  static std::vector<HashSet<std::string>> config_white_list = {
-    {kDumpConfigLineLevel0, kDumpConfigLineLevel1, kDumpConfigLineLevel2},
-    {kDumpConfigDisableBackend},
-    {kDumpConfigEnablePassIR}};
   static DumpConfig dump_config = DumpConfig();
   static bool parsed = false;
   if (parsed) {
@@ -713,9 +767,6 @@ DumpConfig GetDumpConfig() {
   parsed = true;
   // Start parse config.
   std::string str(common::GetEnv("MS_DEV_DUMP_IR_CONFIG"));
-  std::vector<std::shared_ptr<HashSet<std::string>>> configs = {std::make_shared<HashSet<std::string>>(),
-                                                                std::make_shared<HashSet<std::string>>(),
-                                                                std::make_shared<HashSet<std::string>>()};
   auto constexpr max_string_len = 100;
   if (str.size() > max_string_len) {
     MS_LOG(WARNING) << "Dump ir config length exceed max length: " << max_string_len;
@@ -724,45 +775,12 @@ DumpConfig GetDumpConfig() {
   if (str.empty()) {
     return dump_config;
   }
-  size_t start_pos = 0;
+  auto config_strings = GetAllConfigStrings(str);
-  // if '#' is the last char of str, the str is illegal, so we use '<=' but not '<'.
+  if (!ConfigsAreLegal(config_strings)) {
-  while (start_pos <= str.size()) {
+    return dump_config;
-    auto pos = str.find('#', start_pos);
-    if (pos == std::string::npos) {
-      pos = str.size();
-    }
-    auto substr = str.substr(start_pos, pos - start_pos);
-    start_pos = pos + 1;
-    bool is_illegal_config = true;
-    for (size_t i = 0; i < config_white_list.size(); i++) {
-      if (config_white_list[i].find(substr) != config_white_list[i].end()) {
-        is_illegal_config = false;
-        (void)configs[i]->insert(substr);
-        if (configs[i]->size() > 1) {
-          std::ostringstream buffer;
-          (void)std::for_each(configs[i]->begin(), configs[i]->end(), [&buffer](const std::string &config) {
-            buffer << "\n" << config;
-          });
-          MS_LOG(WARNING) << "Dump configs are conflict. Conflict configs: " << buffer.str() << "\n"
-                          << "Please keep only one of them.";
-          return dump_config;
-        }
-      }
-    }
-    if (is_illegal_config) {
-      std::ostringstream buffer;
-      buffer << "Support configs:\n"
-             << "[0]: " << kDumpConfigLineLevel0 << "\n"
-             << "[1]: " << kDumpConfigLineLevel1 << "\n"
-             << "[2]: " << kDumpConfigLineLevel2 << "\n"
-             << "[3]: " << kDumpConfigDisableBackend << "\n"
-             << "[4]: " << kDumpConfigEnablePassIR;
-      MS_LOG(WARNING) << "Illegal dump config:\n" << substr << "\n" << buffer.str();
-      return {};
-    }
   }
-  for (auto &config : configs) {
+  for (const auto &config : *config_strings) {
-    SetDumpConfigByString(*config->begin(), &dump_config);
+    SetDumpConfigByString(config, &dump_config);
   }
   return dump_config;
 }

mindspore/ccsrc/frontend/optimizer/irpass/call_graph_tuple_transform.h

@@ -87,7 +87,7 @@ class GraphTupleTransform : public AnfVisitor {
   GraphTupleParamTransform graph_transform_;
 };
 
-// {,kPrimPartial, G, Tuple_Xs}
+// {PrimPartial, G, Tuple_Xs}
 // =>
 // {kPrimPartial, G, TupleGetItem{Tuple_Xs,0}, TupleGetItem{Tuple_Xs,1}, ..., TupleGetItem{Tuple_Xs,n}}
 // transform partial's tuple binding args to flat inputs.
@@ -102,12 +102,12 @@ class PartialTupleArgTransform : public AnfVisitor {
     auto partial = node->cast<CNodePtr>();
     const auto &partial_inputs = partial->inputs();
     const auto &fg = partial->func_graph();
-    // And primitive and function value node into args.
     constexpr auto kPartialFirstArgIndex = 2;
-    auto new_args = AnfNodePtrList(partial_inputs.begin(), partial_inputs.begin() + kPartialFirstArgIndex);
+    // Put ValueNode<kPrimPartial> and ValueNode<FuncGraph> into new_inputs.
-    auto change = FlattenArgs(fg, partial_inputs, kPartialFirstArgIndex, &new_args);
+    auto new_inputs = AnfNodePtrList(partial_inputs.begin(), partial_inputs.begin() + kPartialFirstArgIndex);
+    auto change = FlattenArgs(fg, partial_inputs, kPartialFirstArgIndex, &new_inputs);
     if (change) {
-      auto new_partial = fg->NewCNode(new_args);
+      auto new_partial = fg->NewCNode(new_inputs);
       new_partial->set_abstract(partial->abstract());
       return new_partial;
     }
@@ -132,11 +132,11 @@ class CallTupleArgTransform : public AnfVisitor {
     const auto &call_inputs = call_node->inputs();
     const auto &fg = call_node->func_graph();
     MS_EXCEPTION_IF_NULL(fg);
-    // Add function value node into args.
+    // Put ValueNode<FuncGraph> into inputs.
-    auto new_args = AnfNodePtrList(call_inputs.begin(), call_inputs.begin() + 1);
+    auto new_inputs = AnfNodePtrList(call_inputs.begin(), call_inputs.begin() + 1);
-    auto change = FlattenArgs(fg, call_inputs, 1, &new_args);
+    auto change = FlattenArgs(fg, call_inputs, 1, &new_inputs);
     if (change) {
-      auto new_call = fg->NewCNode(new_args);
+      auto new_call = fg->NewCNode(new_inputs);
       new_call->set_abstract(call_node->abstract());
       return new_call;
     }

tests/st/control/test_call_tuple_transform.py

@@ -0,0 +1,99 @@
+# Copyright 2022 Huawei Technologies Co., Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============================================================================
+import mindspore as ms
+from mindspore import context
+from mindspore.ops import operations as P
+from mindspore.common.api import ms_function
+from mindspore.common.tensor import Tensor
+import mindspore.nn as nn
+
+import numpy as np
+import pytest
+
+
+class MAPPOCriticNet(nn.Cell):
+    def __init__(self):
+        super().__init__()
+        self.linear1_actor = nn.Dense(54,  # input local obs shape
+                                      64,
+                                      weight_init='XavierUniform',
+                                      # paper uses orthogonal with gain 5/3 for every dense123
+                                      has_bias=False,
+                                      activation=nn.Tanh())
+
+    def construct(self, x):
+        # Feature Extraction
+        x = self.linear1_actor(x)
+
+        return x
+
+
+class MAPPOActor(nn.Cell):
+
+    def __init__(self, actor_net):
+        super().__init__()
+        self.actor_net = actor_net
+
+    def construct(self, inputs_data):
+        _, global_obs = inputs_data
+        out = self.actor_net(global_obs)
+
+        return out
+
+
+class TestClass(nn.Cell):
+    def __init__(self, actor_list):
+        super().__init__()
+        self.zero = Tensor(0, ms.int32)
+        self.actor_list = actor_list
+        self.less = P.Less()
+        self.zeros = P.Zeros()
+
+    def train(self):
+        state = Tensor(np.random.random((3, 128, 18)), ms.float32)
+        init_global_obs = self.zeros((128, 54), ms.float32)
+        out = self.test(state, init_global_obs)
+        return out
+
+    @ms_function
+    def test(self, state, init_global_obs):
+        num_agent = self.zero
+        while self.less(num_agent, 3):
+            samples = (state[num_agent], init_global_obs)
+            self.actor_list[num_agent](samples)
+            num_agent += 1
+
+        return num_agent
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.env_onecard
+def test_net():
+    """
+    Feature: Tuple arg transform.
+    Description: Test the pass: transform tuple arg to tensor arg.
+    Expectation: Compile done without error.
+    """
+    context.set_context(mode=context.GRAPH_MODE, save_graphs=False, save_graphs_path="./graph_ir")
+    actor_list = nn.CellList()
+    for _ in range(3):
+        net = MAPPOCriticNet()
+        actor = MAPPOActor(net)
+        actor_list.append(actor)
+    test = TestClass(actor_list)
+    graph_out = test.train()
+
+    assert np.allclose(graph_out.asnumpy(), graph_out.asnumpy(), 0.0001, 0.0001)

tests/ut/cpp/optimizer/opt_test.cc

@@ -1,5 +1,5 @@
 /**
- * Copyright 2020 Huawei Technologies Co., Ltd
+ * Copyright 2020-2022 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,10 +22,12 @@
 #include "ir/anf.h"
 #include "ir/visitor.h"
 #include "ir/func_graph_cloner.h"
+#include "frontend/optimizer/optimizer.h"
 #include "frontend/optimizer/opt.h"
 #include "frontend/optimizer/anf_visitor.h"
 #include "frontend/optimizer/irpass.h"
 #include "frontend/optimizer/irpass/arithmetic_simplify.h"
+#include "pipeline/jit/action.h"
 
 #include "debug/draw.h"
 #include "frontend/operator/ops.h"
@@ -107,6 +109,8 @@ class TestOptOpt : public UT::Common {
   FuncGraphPairMapEquiv equiv_graph;
   NodeMapEquiv equiv_node;
 
+  irpass::OptimizeIRPassLib irpass_lib;
+
   static const PrimitivePtr P;
   static const PrimitivePtr Q;
   static const PrimitivePtr R;
@@ -115,6 +119,7 @@ class TestOptOpt : public UT::Common {
   SubstitutionPtr elim_R;
   SubstitutionPtr idempotent_P;
   SubstitutionPtr Qct_to_P;
+  SubstitutionPtr tuple_flatten = irpass_lib.call_graph_tuple_transform_;
 };
 
 const PrimitivePtr TestOptOpt::P = std::make_shared<Primitive>("P");
@@ -148,8 +153,8 @@ TEST_F(TestOptOpt, ElimTwo) {
 }
 
 TEST_F(TestOptOpt, ElimR) {
-  FuncGraphPtr before = getPyFun.CallAndParseRet("test_elimR", "before_1");
+  FuncGraphPtr before = getPyFun.CallAndParseRet("test_elim_r", "before_1");
-  FuncGraphPtr after = getPyFun.CallAndParseRet("test_elimR", "after");
+  FuncGraphPtr after = getPyFun.CallAndParseRet("test_elim_r", "after");
 
   ASSERT_TRUE(nullptr != before);
   ASSERT_TRUE(nullptr != after);
@@ -208,5 +213,125 @@ TEST_F(TestOptOpt, CSE) {
   ASSERT_EQ(manager2->all_nodes().size(), 12);
 }
 
+size_t TupleArgAndParamSum(const FuncGraphPtr &func_graph) {
+  // Check tuple params and tuple args.
+  auto all_nodes = TopoSort(func_graph->return_node(), SuccDeeperSimple, AlwaysInclude);
+  size_t tuple_arg_param_num = 0;
+  auto tuple_accumulate_func = [](size_t prev_num, const AnfNodePtr &node) -> size_t {
+    auto abs = node->abstract();
+    MS_EXCEPTION_IF_NULL(abs);
+    return abs->isa<abstract::AbstractTuple>() ? prev_num + 1 : prev_num;
+  };
+  for (const auto &node : all_nodes) {
+    // Count func graph call tuple args.
+    if (node->isa<CNode>() && !IsValueNode<Primitive>(node->cast<CNodePtr>()->input(0))) {
+      auto call_node = node->cast<CNodePtr>();
+      tuple_arg_param_num = std::accumulate(call_node->inputs().begin() + 1, call_node->inputs().end(),
+                                            tuple_arg_param_num, tuple_accumulate_func);
+    }
+    // Count partial tuple args.
+    if (IsPrimitiveCNode(node, prim::kPrimPartial)) {
+      auto partial = node->cast<CNodePtr>();
+      constexpr auto kPartialFirstArgIdx = 2;
+      tuple_arg_param_num = std::accumulate(partial->inputs().begin() + kPartialFirstArgIdx, partial->inputs().end(),
+                                            tuple_arg_param_num, tuple_accumulate_func);
+    }
+
+    // Count tuple params.
+    if (IsValueNode<FuncGraph>(node)) {
+      auto fg = GetValueNode<FuncGraphPtr>(node);
+      tuple_arg_param_num =
+        std::accumulate(fg->parameters().begin(), fg->parameters().end(), tuple_arg_param_num, tuple_accumulate_func);
+    }
+  }
+  return tuple_arg_param_num;
+}
+
+// Feature: Switch call tuple arg transform.
+// Description: Test switch call's tuple arg transform.This case include partial's tuple arg and the call's tuple arg in
+// the same time.
+// Expectation: All tuple args are correctly transformed to tensor args.
+TEST_F(TestOptOpt, SwitchPartialTupleTrans) {
+  FuncGraphPtr test_graph = getPyFun.CallAndParseRet("test_tuple_flatten", "test_flatten_switch_partial_arg");
+  ASSERT_TRUE(nullptr != test_graph);
+
+  FuncGraphManagerPtr manager1 = Manage(test_graph);
+  pipeline::ResourcePtr res = std::make_shared<pipeline::Resource>();
+  std::vector<AbstractBasePtr> args_spec;
+
+  // Renormalize firstly.
+  auto renormalized_fg = pipeline::Renormalize(res, test_graph, args_spec);
+  ASSERT_TRUE(TupleArgAndParamSum(renormalized_fg) != 0);
+
+  // Flatten tuple param and args.
+  OptimizerPtr optimizer = std::make_shared<Optimizer>("ut_test", res);
+  SubstitutionList transform(std::vector<SubstitutionPtr>({tuple_flatten}));
+  transform(renormalized_fg, optimizer);
+
+  // Renormalize again.
+  auto transformed_fg = pipeline::Renormalize(res, renormalized_fg, args_spec);
+  ASSERT_TRUE(TupleArgAndParamSum(transformed_fg) == 0);
+
+  abstract::AnalysisResultCacheMgr::GetInstance().Clear();
+  abstract::AnalysisContext::ClearContext();
+}
+
+// Feature: Switch layer call tuple arg transform.
+// Description: Test switch layer call's tuple arg transform.This case include partial's tuple arg and the partial's
+// tensor arg in the same time.
+// Expectation: All tuple args are correctly transformed to tensor args.
+TEST_F(TestOptOpt, SwitchLayerPartialTupleTrans) {
+  FuncGraphPtr test_graph = getPyFun.CallAndParseRet("test_tuple_flatten", "test_flatten_switch_layer_partial_arg");
+  ASSERT_TRUE(nullptr != test_graph);
+
+  FuncGraphManagerPtr manager1 = Manage(test_graph);
+  pipeline::ResourcePtr res = std::make_shared<pipeline::Resource>();
+  std::vector<AbstractBasePtr> args_spec;
+
+  // Renormalize firstly.
+  auto renormalized_fg = pipeline::Renormalize(res, test_graph, args_spec);
+  ASSERT_TRUE(TupleArgAndParamSum(renormalized_fg) != 0);
+
+  // Flatten tuple param and args.
+  OptimizerPtr optimizer = std::make_shared<Optimizer>("ut_test", res);
+  SubstitutionList transform(std::vector<SubstitutionPtr>({tuple_flatten}));
+  transform(renormalized_fg, optimizer);
+
+  // Renormalize again.
+  auto transformed_fg = pipeline::Renormalize(res, renormalized_fg, args_spec);
+  ASSERT_TRUE(TupleArgAndParamSum(transformed_fg) == 0);
+
+  abstract::AnalysisResultCacheMgr::GetInstance().Clear();
+  abstract::AnalysisContext::ClearContext();
+}
+
+// Feature: Single graph call tuple arg transform.
+// Description: Test single graph call's tuple arg transform.This case include tuple in tuple args.
+// Expectation: All tuple args are correctly transformed to tensor args.
+TEST_F(TestOptOpt, SimpleCallTupleTupleTrans) {
+  FuncGraphPtr test_graph =
+    getPyFun.CallAndParseRet("test_tuple_flatten", "test_flatten_simple_call_tuple_in_tuple_arg");
+  ASSERT_TRUE(nullptr != test_graph);
+
+  FuncGraphManagerPtr manager1 = Manage(test_graph);
+  pipeline::ResourcePtr res = std::make_shared<pipeline::Resource>();
+  std::vector<AbstractBasePtr> args_spec;
+
+  // Renormalize firstly.
+  auto renormalized_fg = pipeline::Renormalize(res, test_graph, args_spec);
+  ASSERT_TRUE(TupleArgAndParamSum(renormalized_fg) != 0);
+
+  // Flatten tuple param and args.
+  OptimizerPtr optimizer = std::make_shared<Optimizer>("ut_test", res);
+  SubstitutionList transform(std::vector<SubstitutionPtr>({tuple_flatten}));
+  transform(renormalized_fg, optimizer);
+
+  // Renormalize again.
+  auto transformed_fg = pipeline::Renormalize(res, renormalized_fg, args_spec);
+  ASSERT_TRUE(TupleArgAndParamSum(transformed_fg) == 0);
+
+  abstract::AnalysisResultCacheMgr::GetInstance().Clear();
+  abstract::AnalysisContext::ClearContext();
+}
 }  // namespace opt
 }  // namespace mindspore

tests/ut/cpp/python_input/gtest_input/optimizer/opt_test.py

@@ -16,9 +16,11 @@
 import numpy as np
 
 from mindspore import Tensor
+from mindspore import dtype as mstype
 from mindspore.ops import Primitive
 from mindspore.ops import _constants as Constants
 from mindspore.ops import operations as P
+from mindspore.ops import functional as F
 from mindspore.ops.operations import _grad_ops as G
 
 # pylint: disable=unused-variable
@@ -68,8 +70,12 @@ def test_add_zero(tag):
     return fns[tag]
 
 
-def test_elimR(tag):
+def test_elim_r(tag):
-    """ test_elimR """
+    """
+    Feature: optimizer.
+    Description: test elimi R.
+    Expectation: run case with no exception.
+    """
     R = Primitive('R')
 
     fns = FnDict()
@@ -495,6 +501,7 @@ def test_elim_transpose(tag):
 
     return fns[tag]
 
+
 def test_elim_depend_value(tag):
     """ test_elim_depend_value """
     fns = FnDict()
@@ -1203,3 +1210,85 @@ def test_sparse_tensor(tag):
         return z
 
     return fns[tag]
+
+
+# Test ut for file: call_graph_tuple_transform.h.
+def test_tuple_flatten(tag):
+    """
+    Feature: optimizer.
+    Description: test cases for pass: graph_tuple_transform.
+    Expectation: the tuple args and parameters are successfully flattened by the pass.
+    """
+    fns = FnDict()
+    w = Tensor(np.random.randn(64, 3, 7, 7).astype(np.float32))
+    x = Tensor(np.random.randn(32, 3, 224, 224).astype(np.float32))
+    y = Tensor(np.random.randn(32, 3, 224, 224).astype(np.float32))
+
+    p = Tensor(3, mstype.float32)
+
+    out_channel = 64
+    kernel_size = 7
+    conv = P.Conv2D(out_channel,
+                    kernel_size,
+                    mode=1,
+                    pad_mode="valid",
+                    pad=0,
+                    stride=1,
+                    dilation=1,
+                    group=1)
+    pow_ops = P.Pow()
+
+    @fns
+    def test_flatten_switch_partial_arg():
+        def called_graph_with_tuple(tuple_x, tuple_y):
+            return conv(F.tuple_getitem(tuple_x, 0), F.tuple_getitem(tuple_x, 1)) + conv(F.tuple_getitem(tuple_y, 0),
+                                                                                         F.tuple_getitem(tuple_y, 1))
+
+        # Add tuple args in partial args.
+        func1 = F.partial(called_graph_with_tuple, (pow_ops(x, p), pow_ops(w, p)))
+        func2 = F.partial(called_graph_with_tuple, (pow_ops(x, p), pow_ops(w, p)))
+        cond = x < y
+
+        switch_node = F.switch(cond, func1, func2)
+        # Add tuple args in call args.
+        return switch_node((pow_ops(x, p), pow_ops(w, p)))
+
+    index = Tensor(1, mstype.int32)
+
+    @fns
+    def test_flatten_switch_layer_partial_arg():
+        def called_graph_with_tuple(tuple_x):
+            return conv(F.tuple_getitem(tuple_x, 0), F.tuple_getitem(tuple_x, 1))
+
+        def called_graph_no_tuple(param1, param2):
+            return conv(param1, param2)
+
+        # Add tuple args in partial
+        func1 = F.partial(called_graph_with_tuple, (pow_ops(x, p), pow_ops(w, p)))
+        func2 = F.partial(called_graph_with_tuple, (pow_ops(x, p), pow_ops(w, p)))
+        # Add tensor args in partial
+        func3 = F.partial(called_graph_no_tuple, pow_ops(x, p), pow_ops(w, p))
+        switch_node = F.switch_layer(pow_ops(index, index), (func1, func2, func3))
+        return switch_node()
+
+    @fns
+    def test_flatten_simple_call_tuple_in_tuple_arg():
+        def called_graph_with_tuple(tuple_x, tuple_tuple_y, tensor_z):
+            result1 = conv(F.tuple_getitem(tuple_x, 0), F.tuple_getitem(tuple_x, 1))
+            tuple_0 = F.tuple_getitem(tuple_tuple_y, 0)
+            result2 = conv(F.tuple_getitem(tuple_0, 0), F.tuple_getitem(tuple_0, 1))
+            tensor_1 = F.tuple_getitem(tuple_tuple_y, 1)
+            result3 = conv(tensor_1, tensor_z)
+            return result1 + result2 + result3
+
+        # Tuple arg.
+        tuple_x_arg = (pow_ops(x, p), pow_ops(w, p))
+        # TupleTuple arg.
+        tuple_0_arg = (pow_ops(x, p), pow_ops(w, p))
+        tensor_1_arg = pow_ops(x, p)
+        tuple_tuple_y_arg = (tuple_0_arg, tensor_1_arg)
+        # TensorArg
+        tensor_z_arg = pow_ops(w, p)
+        return called_graph_with_tuple(tuple_x_arg, tuple_tuple_y_arg, tensor_z_arg)
+
+    return fns[tag]