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/MachineModuleInfo.h"
17#include "llvm/CodeGen/Passes.h"
18#include "llvm/IR/Function.h"
19#include "llvm/InitializePasses.h"
20
21using namespace llvm;
22
23PreservedAnalyses PrintMIRPreparePass::run(Module &M, ModuleAnalysisManager &) {
24 printMIR(OS, M);
25 return PreservedAnalyses::all();
26}
27
28PreservedAnalyses PrintMIRPass::run(MachineFunction &MF,
29 MachineFunctionAnalysisManager &MFAM) {
30 auto &FAM = MFAM.getResult<FunctionAnalysisManagerMachineFunctionProxy>(IR&: MF)
31 .getManager();
32
33 printMIR(OS, FAM, MF);
34 return PreservedAnalyses::all();
35}
36
37namespace {
38
39/// This pass prints out the LLVM IR to an output stream using the MIR
40/// serialization format.
41struct MIRPrintingPass : public MachineFunctionPass {
42 static char ID;
43 raw_ostream &OS;
44 std::string MachineFunctions;
45
46 MIRPrintingPass() : MachineFunctionPass(ID), OS(dbgs()) {}
47 MIRPrintingPass(raw_ostream &OS) : MachineFunctionPass(ID), OS(OS) {}
48
49 StringRef getPassName() const override { return "MIR Printing Pass"; }
50
51 void getAnalysisUsage(AnalysisUsage &AU) const override {
52 AU.setPreservesAll();
53 MachineFunctionPass::getAnalysisUsage(AU);
54 }
55
56 bool runOnMachineFunction(MachineFunction &MF) override {
57 std::string Str;
58 raw_string_ostream StrOS(Str);
59
60 MachineModuleInfo *MMI =
61 &getAnalysis<MachineModuleInfoWrapperPass>().getMMI();
62
63 printMIR(OS&: StrOS, MMI: *MMI, MF);
64 MachineFunctions.append(str: Str);
65 return false;
66 }
67
68 bool doFinalization(Module &M) override {
69 printMIR(OS, M);
70 OS << MachineFunctions;
71 return false;
72 }
73};
74
75char MIRPrintingPass::ID = 0;
76
77} // end anonymous namespace
78
79char &llvm::MIRPrintingPassID = MIRPrintingPass::ID;
80INITIALIZE_PASS(MIRPrintingPass, "mir-printer", "MIR Printer", false, false)
81
82MachineFunctionPass *llvm::createPrintMIRPass(raw_ostream &OS) {
83 return new MIRPrintingPass(OS);
84}
85