- //===-- CallPrinter.h - Call graph printer external interface ----*- C++ -*-===// 
- // 
- // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 
- // See https://llvm.org/LICENSE.txt for license information. 
- // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 
- // 
- //===----------------------------------------------------------------------===// 
- // 
- // This file defines external functions that can be called to explicitly 
- // instantiate the call graph printer. 
- // 
- //===----------------------------------------------------------------------===// 
-   
- #ifndef LLVM_ANALYSIS_CALLPRINTER_H 
- #define LLVM_ANALYSIS_CALLPRINTER_H 
-   
- #include "llvm/IR/PassManager.h" 
-   
- namespace llvm { 
-   
- class ModulePass; 
-   
- /// Pass for printing the call graph to a dot file 
- class CallGraphDOTPrinterPass : public PassInfoMixin<CallGraphDOTPrinterPass> { 
- public: 
-   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); 
- }; 
-   
- /// Pass for viewing the call graph 
- class CallGraphViewerPass : public PassInfoMixin<CallGraphViewerPass> { 
- public: 
-   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); 
- }; 
-   
- ModulePass *createCallGraphViewerPass(); 
- ModulePass *createCallGraphDOTPrinterPass(); 
-   
- } // end namespace llvm 
-   
- #endif 
-