1 //===-- MachineFunctionPrinterPass.cpp ------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // MachineFunctionPrinterPass implementation. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "llvm/CodeGen/Passes.h" 15 #include "llvm/CodeGen/MachineFunctionPass.h" 16 #include "llvm/CodeGen/MachineFunction.h" 17 #include "llvm/Support/raw_ostream.h" 18 19 using namespace llvm; 20 21 namespace { 22 /// MachineFunctionPrinterPass - This is a pass to dump the IR of a 23 /// MachineFunction. 24 /// 25 struct MachineFunctionPrinterPass : public MachineFunctionPass { 26 static char ID; 27 28 raw_ostream &OS; 29 const std::string Banner; 30 MachineFunctionPrinterPass__anon0dca59af0111::MachineFunctionPrinterPass31 MachineFunctionPrinterPass(raw_ostream &os, const std::string &banner) 32 : MachineFunctionPass(ID), OS(os), Banner(banner) {} 33 getPassName__anon0dca59af0111::MachineFunctionPrinterPass34 const char *getPassName() const { return "MachineFunction Printer"; } 35 getAnalysisUsage__anon0dca59af0111::MachineFunctionPrinterPass36 virtual void getAnalysisUsage(AnalysisUsage &AU) const { 37 AU.setPreservesAll(); 38 MachineFunctionPass::getAnalysisUsage(AU); 39 } 40 runOnMachineFunction__anon0dca59af0111::MachineFunctionPrinterPass41 bool runOnMachineFunction(MachineFunction &MF) { 42 OS << "# " << Banner << ":\n"; 43 MF.print(OS); 44 return false; 45 } 46 }; 47 48 char MachineFunctionPrinterPass::ID = 0; 49 } 50 51 namespace llvm { 52 /// Returns a newly-created MachineFunction Printer pass. The 53 /// default banner is empty. 54 /// createMachineFunctionPrinterPass(raw_ostream & OS,const std::string & Banner)55MachineFunctionPass *createMachineFunctionPrinterPass(raw_ostream &OS, 56 const std::string &Banner){ 57 return new MachineFunctionPrinterPass(OS, Banner); 58 } 59 60 } 61