1 //===-- MachineFunctionPrinterPass.cpp ------------------------------------===//
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 // MachineFunctionPrinterPass implementation.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #include "llvm/CodeGen/MachineFunction.h"
14 #include "llvm/CodeGen/MachineFunctionPass.h"
15 #include "llvm/CodeGen/Passes.h"
16 #include "llvm/CodeGen/SlotIndexes.h"
17 #include "llvm/IR/IRPrintingPasses.h"
18 #include "llvm/InitializePasses.h"
19 #include "llvm/Support/Debug.h"
20 #include "llvm/Support/raw_ostream.h"
21
22 using namespace llvm;
23
24 namespace {
25 /// MachineFunctionPrinterPass - This is a pass to dump the IR of a
26 /// MachineFunction.
27 ///
28 struct MachineFunctionPrinterPass : public MachineFunctionPass {
29 static char ID;
30
31 raw_ostream &OS;
32 const std::string Banner;
33
MachineFunctionPrinterPass__anon573dad350111::MachineFunctionPrinterPass34 MachineFunctionPrinterPass() : MachineFunctionPass(ID), OS(dbgs()) { }
MachineFunctionPrinterPass__anon573dad350111::MachineFunctionPrinterPass35 MachineFunctionPrinterPass(raw_ostream &os, const std::string &banner)
36 : MachineFunctionPass(ID), OS(os), Banner(banner) {}
37
getPassName__anon573dad350111::MachineFunctionPrinterPass38 StringRef getPassName() const override { return "MachineFunction Printer"; }
39
getAnalysisUsage__anon573dad350111::MachineFunctionPrinterPass40 void getAnalysisUsage(AnalysisUsage &AU) const override {
41 AU.setPreservesAll();
42 AU.addUsedIfAvailable<SlotIndexes>();
43 MachineFunctionPass::getAnalysisUsage(AU);
44 }
45
runOnMachineFunction__anon573dad350111::MachineFunctionPrinterPass46 bool runOnMachineFunction(MachineFunction &MF) override {
47 if (!llvm::isFunctionInPrintList(MF.getName()))
48 return false;
49 OS << "# " << Banner << ":\n";
50 MF.print(OS, getAnalysisIfAvailable<SlotIndexes>());
51 return false;
52 }
53 };
54
55 char MachineFunctionPrinterPass::ID = 0;
56 }
57
58 char &llvm::MachineFunctionPrinterPassID = MachineFunctionPrinterPass::ID;
59 INITIALIZE_PASS(MachineFunctionPrinterPass, "machineinstr-printer",
60 "Machine Function Printer", false, false)
61
62 namespace llvm {
63 /// Returns a newly-created MachineFunction Printer pass. The
64 /// default banner is empty.
65 ///
createMachineFunctionPrinterPass(raw_ostream & OS,const std::string & Banner)66 MachineFunctionPass *createMachineFunctionPrinterPass(raw_ostream &OS,
67 const std::string &Banner){
68 return new MachineFunctionPrinterPass(OS, Banner);
69 }
70
71 }
72