1 //===- MIRPrintingPass.cpp - Pass that prints out using the MIR format ----===// 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 implements a pass that prints out the LLVM module using the MIR 10 // serialization format. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "llvm/CodeGen/MIRPrinter.h" 15 #include "llvm/CodeGen/MachineFunctionPass.h" 16 #include "llvm/CodeGen/Passes.h" 17 #include "llvm/InitializePasses.h" 18 19 using namespace llvm; 20 21 PreservedAnalyses PrintMIRPreparePass::run(Module &M, ModuleAnalysisManager &) { 22 printMIR(OS, M); 23 return PreservedAnalyses::all(); 24 } 25 26 PreservedAnalyses PrintMIRPass::run(MachineFunction &MF, 27 MachineFunctionAnalysisManager &) { 28 printMIR(OS, MF); 29 return PreservedAnalyses::all(); 30 } 31 32 namespace { 33 34 /// This pass prints out the LLVM IR to an output stream using the MIR 35 /// serialization format. 36 struct MIRPrintingPass : public MachineFunctionPass { 37 static char ID; 38 raw_ostream &OS; 39 std::string MachineFunctions; 40 41 MIRPrintingPass() : MachineFunctionPass(ID), OS(dbgs()) {} 42 MIRPrintingPass(raw_ostream &OS) : MachineFunctionPass(ID), OS(OS) {} 43 44 StringRef getPassName() const override { return "MIR Printing Pass"; } 45 46 void getAnalysisUsage(AnalysisUsage &AU) const override { 47 AU.setPreservesAll(); 48 MachineFunctionPass::getAnalysisUsage(AU); 49 } 50 51 bool runOnMachineFunction(MachineFunction &MF) override { 52 std::string Str; 53 raw_string_ostream StrOS(Str); 54 printMIR(StrOS, MF); 55 MachineFunctions.append(Str); 56 return false; 57 } 58 59 bool doFinalization(Module &M) override { 60 printMIR(OS, M); 61 OS << MachineFunctions; 62 return false; 63 } 64 }; 65 66 char MIRPrintingPass::ID = 0; 67 68 } // end anonymous namespace 69 70 char &llvm::MIRPrintingPassID = MIRPrintingPass::ID; 71 INITIALIZE_PASS(MIRPrintingPass, "mir-printer", "MIR Printer", false, false) 72 73 namespace llvm { 74 75 MachineFunctionPass *createPrintMIRPass(raw_ostream &OS) { 76 return new MIRPrintingPass(OS); 77 } 78 79 } // end namespace llvm 80