CPU: Pass compiler_action directly

src/ngraph/codegen/compiler.cpp

@@ -76,7 +76,7 @@ Compiler::~Compiler()
 std::unique_ptr<llvm::Module> Compiler::compile(const std::string& source)
 {
     lock_guard<mutex> lock(m_mutex);
-    return s_static_compiler.compile(this, source);
+    return s_static_compiler.compile(compiler_action, source);
 }
 
 static std::string GetExecutablePath(const char* Argv0)
@@ -310,7 +310,8 @@ void StaticCompiler::use_cached_files()
     }
 }
 
-std::unique_ptr<llvm::Module> StaticCompiler::compile(Compiler* compiler, const string& source)
+std::unique_ptr<llvm::Module>
+    StaticCompiler::compile(std::unique_ptr<clang::CodeGenAction>& compiler_action, const string& source)
 {
     // Map code filename to a memoryBuffer
     StringRef source_ref(source);
@@ -318,7 +319,6 @@ std::unique_ptr<llvm::Module> StaticCompiler::compile(Compiler* compiler, const
     m_compiler->getInvocation().getPreprocessorOpts().addRemappedFile(m_source_name, buffer.get());
 
     // Create and execute action
-    auto& compiler_action = compiler->get_compiler_action();
     compiler_action.reset(new EmitCodeGenOnlyAction());
     std::unique_ptr<llvm::Module> rc;
     if (m_compiler->ExecuteAction(*compiler_action) == true)

src/ngraph/codegen/compiler.hpp

@@ -70,7 +70,8 @@ public:
     void set_debuginfo_enabled(bool state) { m_debuginfo_enabled = state; }
     bool is_debuginfo_enabled() { return m_debuginfo_enabled; }
     void add_header_search_path(const std::string& path);
-    std::unique_ptr<llvm::Module> compile(Compiler* compiler, const std::string& source);
+    std::unique_ptr<llvm::Module> compile(std::unique_ptr<clang::CodeGenAction>& compiler_action,
+                                          const std::string& source);
 
 private:
     std::unique_ptr<clang::CompilerInstance> m_compiler;