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 &MAMP = MFAM.getResult<ModuleAnalysisManagerMachineFunctionProxy>(IR&: MF);
31 Module *M = MF.getFunction().getParent();
32 const MachineModuleInfo &MMI =
33 MAMP.getCachedResult<MachineModuleAnalysis>(IR&: *M)->getMMI();
34
35 printMIR(OS, MMI, MF);
36 return PreservedAnalyses::all();
37}
38
39namespace {
40
41/// This pass prints out the LLVM IR to an output stream using the MIR
42/// serialization format.
43struct MIRPrintingPass : public MachineFunctionPass {
44 static char ID;
45 raw_ostream &OS;
46 std::string MachineFunctions;
47
48 MIRPrintingPass() : MachineFunctionPass(ID), OS(dbgs()) {}
49 MIRPrintingPass(raw_ostream &OS) : MachineFunctionPass(ID), OS(OS) {}
50
51 StringRef getPassName() const override { return "MIR Printing Pass"; }
52
53 void getAnalysisUsage(AnalysisUsage &AU) const override {
54 AU.setPreservesAll();
55 MachineFunctionPass::getAnalysisUsage(AU);
56 }
57
58 bool runOnMachineFunction(MachineFunction &MF) override {
59 std::string Str;
60 raw_string_ostream StrOS(Str);
61
62 const MachineModuleInfo &MMI =
63 getAnalysis<MachineModuleInfoWrapperPass>().getMMI();
64
65 printMIR(OS&: StrOS, MMI, MF);
66 MachineFunctions.append(str: Str);
67 return false;
68 }
69
70 bool doFinalization(Module &M) override {
71 printMIR(OS, M);
72 OS << MachineFunctions;
73 return false;
74 }
75};
76
77char MIRPrintingPass::ID = 0;
78
79} // end anonymous namespace
80
81char &llvm::MIRPrintingPassID = MIRPrintingPass::ID;
82INITIALIZE_PASS(MIRPrintingPass, "mir-printer", "MIR Printer", false, false)
83
84MachineFunctionPass *llvm::createPrintMIRPass(raw_ostream &OS) {
85 return new MIRPrintingPass(OS);
86}
87