1 //===-- CallPrinter.h - Call graph printer external interface ----*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file defines external functions that can be called to explicitly
10 // instantiate the call graph printer.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_ANALYSIS_CALLPRINTER_H
15 #define LLVM_ANALYSIS_CALLPRINTER_H
16 
17 #include "llvm/IR/PassManager.h"
18 
19 namespace llvm {
20 
21 class ModulePass;
22 
23 /// Pass for printing the call graph to a dot file
24 class CallGraphDOTPrinterPass : public PassInfoMixin<CallGraphDOTPrinterPass> {
25 public:
26   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
isRequired()27   static bool isRequired() { return true; }
28 };
29 
30 /// Pass for viewing the call graph
31 class CallGraphViewerPass : public PassInfoMixin<CallGraphViewerPass> {
32 public:
33   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
isRequired()34   static bool isRequired() { return true; }
35 };
36 
37 ModulePass *createCallGraphViewerPass();
38 ModulePass *createCallGraphDOTPrinterPass();
39 
40 } // end namespace llvm
41 
42 #endif
43