1 //===- MIRPrintingPass.cpp - Pass that prints out using the MIR format ----===//
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 // This file implements a pass that prints out the LLVM module using the MIR
11 // serialization format.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "MIRPrinter.h"
16 #include "llvm/CodeGen/Passes.h"
17 #include "llvm/CodeGen/MachineFunctionPass.h"
18 #include "llvm/CodeGen/MIRYamlMapping.h"
19 #include "llvm/Support/Debug.h"
20 #include "llvm/Support/raw_ostream.h"
21 
22 using namespace llvm;
23 
24 namespace {
25 
26 /// This pass prints out the LLVM IR to an output stream using the MIR
27 /// serialization format.
28 struct MIRPrintingPass : public MachineFunctionPass {
29   static char ID;
30   raw_ostream &OS;
31   std::string MachineFunctions;
32 
MIRPrintingPass__anon94c53f600111::MIRPrintingPass33   MIRPrintingPass() : MachineFunctionPass(ID), OS(dbgs()) {}
MIRPrintingPass__anon94c53f600111::MIRPrintingPass34   MIRPrintingPass(raw_ostream &OS) : MachineFunctionPass(ID), OS(OS) {}
35 
getPassName__anon94c53f600111::MIRPrintingPass36   const char *getPassName() const override { return "MIR Printing Pass"; }
37 
getAnalysisUsage__anon94c53f600111::MIRPrintingPass38   void getAnalysisUsage(AnalysisUsage &AU) const override {
39     AU.setPreservesAll();
40     MachineFunctionPass::getAnalysisUsage(AU);
41   }
42 
runOnMachineFunction__anon94c53f600111::MIRPrintingPass43   bool runOnMachineFunction(MachineFunction &MF) override {
44     std::string Str;
45     raw_string_ostream StrOS(Str);
46     printMIR(StrOS, MF);
47     MachineFunctions.append(StrOS.str());
48     return false;
49   }
50 
doFinalization__anon94c53f600111::MIRPrintingPass51   bool doFinalization(Module &M) override {
52     printMIR(OS, M);
53     OS << MachineFunctions;
54     return false;
55   }
56 };
57 
58 char MIRPrintingPass::ID = 0;
59 
60 } // end anonymous namespace
61 
62 char &llvm::MIRPrintingPassID = MIRPrintingPass::ID;
63 INITIALIZE_PASS(MIRPrintingPass, "mir-printer", "MIR Printer", false, false)
64 
65 namespace llvm {
66 
createPrintMIRPass(raw_ostream & OS)67 MachineFunctionPass *createPrintMIRPass(raw_ostream &OS) {
68   return new MIRPrintingPass(OS);
69 }
70 
71 } // end namespace llvm
72