[CI] Recover Windows Mac Build CI via Github Actions (#4662)

* [RUNTIME] Fix windows build after the latest dso module change.

Switch to shared_ptr to get around a problem in latest MSVC.

* [CI] Add github action for win mac build.

.github/workflows/main.yml

+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+# GH actions.
+# We use it to cover windows and mac build
+# Jenkins is still the primary CI
+
+name: WinMacBuild
+
+on:
+  push:
+    branches:
+      - master
+
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  Build:
+    strategy:
+      matrix:
+        os: [windows-latest, macOS-latest]
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Initialize submodules
+      run: git submodule update --recursive --init
+
+    - name: Make Build Directory
+      run: cmake -E make_directory build.common
+
+    # configuration for Windows
+    - name: CMake@Win
+      if: matrix.os == 'windows-latest'
+      working-directory: build.common
+      run: >-
+        cmake
+        "-DUSE_SORT=ON"
+        "-DUSE_RPC=ON"
+        "-DUSE_GRAPH_RUNTIME=ON"
+        ..
+
+    # configuration for Mac
+    - name: CMake@MacOS
+      if: matrix.os  == 'macOS-latest'
+      working-directory: build.common
+      run: >-
+        cmake
+        "-DUSE_SORT=ON"
+        "-DUSE_RPC=ON"
+        "-DUSE_GRAPH_RUNTIME=ON"
+        "-DUSE_METAL=ON"
+        ..
+
+    - name: Build
+      run: cmake --build build.common -j3

include/tvm/runtime/module.h

@@ -114,12 +114,12 @@ class Module : public ObjectRef {
 class TVM_DLL ModuleNode : public Object {
  public:
   /*! \brief virtual destructor */
-  TVM_DLL virtual ~ModuleNode() {}
+  virtual ~ModuleNode() {}
   /*!
    * \return The per module type key.
    * \note This key is used to for serializing custom modules.
    */
-  TVM_DLL virtual const char* type_key() const = 0;
+  virtual const char* type_key() const = 0;
   /*!
    * \brief Get a PackedFunc from module.
    *
@@ -137,7 +137,7 @@ class TVM_DLL ModuleNode : public Object {
    *   If the function need resource from the module(e.g. late linking),
    *   it should capture sptr_to_self.
    */
-  TVM_DLL virtual PackedFunc GetFunction(
+  virtual PackedFunc GetFunction(
       const std::string& name,
       const ObjectPtr<Object>& sptr_to_self) = 0;
   /*!
@@ -145,8 +145,8 @@ class TVM_DLL ModuleNode : public Object {
    * \param file_name The file to be saved to.
    * \param format The format of the file.
    */
-  TVM_DLL virtual void SaveToFile(const std::string& file_name,
-                                  const std::string& format);
+  virtual void SaveToFile(const std::string& file_name,
+                          const std::string& format);
   /*!
    * \brief Save the module to binary stream.
    * \param stream The binary stream to save to.
@@ -154,13 +154,13 @@ class TVM_DLL ModuleNode : public Object {
    *   but not necessarily host modules.
    *   We can use this to do AOT loading of bundled device functions.
    */
-  TVM_DLL virtual void SaveToBinary(dmlc::Stream* stream);
+  virtual void SaveToBinary(dmlc::Stream* stream);
   /*!
    * \brief Get the source code of module, when available.
    * \param format Format of the source code, can be empty by default.
    * \return Possible source code when available.
    */
-  TVM_DLL virtual std::string GetSource(const std::string& format = "");
+  virtual std::string GetSource(const std::string& format = "");
   /*!
    * \brief Get packed function from current module by name.
    *
@@ -170,7 +170,7 @@ class TVM_DLL ModuleNode : public Object {
    *  This function will return PackedFunc(nullptr) if function do not exist.
    * \note Implemented in packed_func.cc
    */
-  TVM_DLL PackedFunc GetFunction(const std::string& name, bool query_imports = false);
+  PackedFunc GetFunction(const std::string& name, bool query_imports = false);
   /*!
    * \brief Import another module into this module.
    * \param other The module to be imported.
@@ -178,7 +178,7 @@ class TVM_DLL ModuleNode : public Object {
    * \note Cyclic dependency is not allowed among modules,
    *  An error will be thrown when cyclic dependency is detected.
    */
-  TVM_DLL void Import(Module other);
+  void Import(Module other);
   /*!
    * \brief Get a function from current environment
    *  The environment includes all the imports as well as Global functions.
@@ -186,7 +186,7 @@ class TVM_DLL ModuleNode : public Object {
    * \param name name of the function.
    * \return The corresponding function.
    */
-  TVM_DLL const PackedFunc* GetFuncFromEnv(const std::string& name);
+  const PackedFunc* GetFuncFromEnv(const std::string& name);
   /*! \return The module it imports from */
   const std::vector<Module>& imports() const {
     return imports_;
@@ -208,7 +208,7 @@ class TVM_DLL ModuleNode : public Object {
  private:
   /*! \brief Cache used by GetImport */
   std::unordered_map<std::string,
-                     std::unique_ptr<PackedFunc> > import_cache_;
+                     std::shared_ptr<PackedFunc> > import_cache_;
 };
 
 /*! \brief namespace for constant symbols */

src/runtime/module.cc

@@ -125,8 +125,7 @@ const PackedFunc* ModuleNode::GetFuncFromEnv(const std::string& name) {
         << " in the imported modules or global registry";
     return f;
   } else {
-    std::unique_ptr<PackedFunc> f(new PackedFunc(pf));
-    import_cache_[name] = std::move(f);
+    import_cache_.insert(std::make_pair(name, std::make_shared<PackedFunc>(pf)));
     return import_cache_.at(name).get();
   }
 }