| 1 | //===- DXILPrettyPrinter.cpp - DXIL Resource helper objects ---------------===// |
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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 | /// \file This file contains a pass for pretty printing DXIL metadata into IR |
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| 10 | /// comments when printing assembly output. |
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| 11 | /// |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |
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| 14 | #include "DXILResourceAnalysis.h" |
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| 15 | #include "DirectX.h" |
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| 16 | #include "llvm/ADT/StringRef.h" |
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| 17 | #include "llvm/IR/PassManager.h" |
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| 18 | #include "llvm/Pass.h" |
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| 19 | #include "llvm/Support/raw_ostream.h" |
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| 20 | |
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| 21 | using namespace llvm; |
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| 22 | |
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| 23 | namespace { |
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| 24 | class DXILPrettyPrinter : public llvm::ModulePass { |
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| 25 | raw_ostream &OS; // raw_ostream to print to. |
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| 26 | |
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| 27 | public: |
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| 28 | static char ID; |
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| 29 | DXILPrettyPrinter() : ModulePass(ID), OS(dbgs()) { |
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| 30 | initializeDXILPrettyPrinterPass(*PassRegistry::getPassRegistry()); |
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| 31 | } |
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| 32 | |
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| 33 | explicit DXILPrettyPrinter(raw_ostream &O) : ModulePass(ID), OS(O) { |
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| 34 | initializeDXILPrettyPrinterPass(*PassRegistry::getPassRegistry()); |
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| 35 | } |
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| 36 | |
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| 37 | StringRef getPassName() const override { |
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| 38 | return "DXIL Metadata Pretty Printer" ; |
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| 39 | } |
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| 40 | |
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| 41 | bool runOnModule(Module &M) override; |
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| 42 | void getAnalysisUsage(AnalysisUsage &AU) const override { |
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| 43 | AU.setPreservesAll(); |
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| 44 | AU.addRequired<DXILResourceWrapper>(); |
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| 45 | } |
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| 46 | }; |
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| 47 | } // namespace |
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| 48 | |
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| 49 | char DXILPrettyPrinter::ID = 0; |
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| 50 | INITIALIZE_PASS_BEGIN(DXILPrettyPrinter, "dxil-pretty-printer" , |
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| 51 | "DXIL Metadata Pretty Printer" , true, true) |
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| 52 | INITIALIZE_PASS_DEPENDENCY(DXILResourceWrapper) |
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| 53 | INITIALIZE_PASS_END(DXILPrettyPrinter, "dxil-pretty-printer" , |
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| 54 | "DXIL Metadata Pretty Printer" , true, true) |
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| 55 | |
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| 56 | bool DXILPrettyPrinter::runOnModule(Module &M) { |
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| 57 | dxil::Resources &Res = getAnalysis<DXILResourceWrapper>().getDXILResource(); |
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| 58 | Res.print(O&: OS); |
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| 59 | return false; |
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| 60 | } |
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| 61 | |
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| 62 | ModulePass *llvm::createDXILPrettyPrinterPass(raw_ostream &OS) { |
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| 63 | return new DXILPrettyPrinter(OS); |
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| 64 | } |
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| 65 | |
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