| 1 | //===-- MachineFunctionPrinterPass.cpp ------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // MachineFunctionPrinterPass implementation. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #include "llvm/CodeGen/MachineFunction.h" |
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| 14 | #include "llvm/CodeGen/MachineFunctionPass.h" |
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| 15 | #include "llvm/CodeGen/Passes.h" |
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| 16 | #include "llvm/CodeGen/SlotIndexes.h" |
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| 17 | #include "llvm/IR/PrintPasses.h" |
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| 18 | #include "llvm/InitializePasses.h" |
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| 19 | #include "llvm/Support/Debug.h" |
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| 20 | #include "llvm/Support/raw_ostream.h" |
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| 21 | |
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| 22 | using namespace llvm; |
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| 23 | |
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| 24 | namespace { |
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| 25 | /// MachineFunctionPrinterPass - This is a pass to dump the IR of a |
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| 26 | /// MachineFunction. |
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| 27 | /// |
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| 28 | struct MachineFunctionPrinterPass : public MachineFunctionPass { |
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| 29 | static char ID; |
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| 30 | |
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| 31 | raw_ostream &OS; |
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| 32 | const std::string Banner; |
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| 33 | |
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| 34 | MachineFunctionPrinterPass() : MachineFunctionPass(ID), OS(dbgs()) { } |
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| 35 | MachineFunctionPrinterPass(raw_ostream &os, const std::string &banner) |
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| 36 | : MachineFunctionPass(ID), OS(os), Banner(banner) {} |
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| 37 | |
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| 38 | StringRef getPassName() const override { return "MachineFunction Printer" ; } |
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| 39 | |
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| 40 | void getAnalysisUsage(AnalysisUsage &AU) const override { |
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| 41 | AU.setPreservesAll(); |
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| 42 | AU.addUsedIfAvailable<SlotIndexes>(); |
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| 43 | MachineFunctionPass::getAnalysisUsage(AU); |
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| 44 | } |
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| 45 | |
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| 46 | bool runOnMachineFunction(MachineFunction &MF) override { |
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| 47 | if (!isFunctionInPrintList(FunctionName: MF.getName())) |
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| 48 | return false; |
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| 49 | OS << "# " << Banner << ":\n" ; |
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| 50 | MF.print(OS, getAnalysisIfAvailable<SlotIndexes>()); |
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| 51 | return false; |
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| 52 | } |
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| 53 | }; |
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| 54 | |
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| 55 | char MachineFunctionPrinterPass::ID = 0; |
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| 56 | } |
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| 57 | |
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| 58 | char &llvm::MachineFunctionPrinterPassID = MachineFunctionPrinterPass::ID; |
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| 59 | INITIALIZE_PASS(MachineFunctionPrinterPass, "machineinstr-printer" , |
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| 60 | "Machine Function Printer" , false, false) |
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| 61 | |
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| 62 | namespace llvm { |
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| 63 | /// Returns a newly-created MachineFunction Printer pass. The |
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| 64 | /// default banner is empty. |
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| 65 | /// |
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| 66 | MachineFunctionPass *createMachineFunctionPrinterPass(raw_ostream &OS, |
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| 67 | const std::string &Banner){ |
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| 68 | return new MachineFunctionPrinterPass(OS, Banner); |
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| 69 | } |
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| 70 | |
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| 71 | } |
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| 72 | |
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