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/MachineFunction.h" 16 #include "llvm/CodeGen/MachineFunctionPass.h" 17 #include "llvm/CodeGen/SlotIndexes.h" 18 #include "llvm/Support/Debug.h" 19 #include "llvm/Support/raw_ostream.h" 20 21 using namespace llvm; 22 23 namespace { 24 /// MachineFunctionPrinterPass - This is a pass to dump the IR of a 25 /// MachineFunction. 26 /// 27 struct MachineFunctionPrinterPass : public MachineFunctionPass { 28 static char ID; 29 30 raw_ostream &OS; 31 const std::string Banner; 32 33 MachineFunctionPrinterPass() : MachineFunctionPass(ID), OS(dbgs()) { } 34 MachineFunctionPrinterPass(raw_ostream &os, const std::string &banner) 35 : MachineFunctionPass(ID), OS(os), Banner(banner) {} 36 37 const char *getPassName() const override { return "MachineFunction Printer"; } 38 39 void getAnalysisUsage(AnalysisUsage &AU) const override { 40 AU.setPreservesAll(); 41 MachineFunctionPass::getAnalysisUsage(AU); 42 } 43 44 bool runOnMachineFunction(MachineFunction &MF) override { 45 if (!llvm::isFunctionInPrintList(MF.getName())) 46 return false; 47 OS << "# " << Banner << ":\n"; 48 MF.print(OS, getAnalysisIfAvailable<SlotIndexes>()); 49 return false; 50 } 51 }; 52 53 char MachineFunctionPrinterPass::ID = 0; 54 } 55 56 char &llvm::MachineFunctionPrinterPassID = MachineFunctionPrinterPass::ID; 57 INITIALIZE_PASS(MachineFunctionPrinterPass, "machineinstr-printer", 58 "Machine Function Printer", false, false) 59 60 namespace llvm { 61 /// Returns a newly-created MachineFunction Printer pass. The 62 /// default banner is empty. 63 /// 64 MachineFunctionPass *createMachineFunctionPrinterPass(raw_ostream &OS, 65 const std::string &Banner){ 66 return new MachineFunctionPrinterPass(OS, Banner); 67 } 68 69 } 70
