65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
//===- DXILPrettyPrinter.cpp - DXIL Resource helper objects ---------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file This file contains a pass for pretty printing DXIL metadata into IR
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/// comments when printing assembly output.
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///
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//===----------------------------------------------------------------------===//
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#include "DXILResourceAnalysis.h"
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#include "DirectX.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/IR/PassManager.h"
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#include "llvm/Pass.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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namespace {
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class DXILPrettyPrinter : public llvm::ModulePass {
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raw_ostream &OS; // raw_ostream to print to.
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public:
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static char ID;
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DXILPrettyPrinter() : ModulePass(ID), OS(dbgs()) {
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initializeDXILPrettyPrinterPass(*PassRegistry::getPassRegistry());
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}
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explicit DXILPrettyPrinter(raw_ostream &O) : ModulePass(ID), OS(O) {
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initializeDXILPrettyPrinterPass(*PassRegistry::getPassRegistry());
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}
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StringRef getPassName() const override {
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return "DXIL Metadata Pretty Printer";
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}
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bool runOnModule(Module &M) override;
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void getAnalysisUsage(AnalysisUsage &AU) const override {
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AU.setPreservesAll();
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AU.addRequired<DXILResourceWrapper>();
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}
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};
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} // namespace
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char DXILPrettyPrinter::ID = 0;
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INITIALIZE_PASS_BEGIN(DXILPrettyPrinter, "dxil-pretty-printer",
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"DXIL Metadata Pretty Printer", true, true)
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INITIALIZE_PASS_DEPENDENCY(DXILResourceWrapper)
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INITIALIZE_PASS_END(DXILPrettyPrinter, "dxil-pretty-printer",
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"DXIL Metadata Pretty Printer", true, true)
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bool DXILPrettyPrinter::runOnModule(Module &M) {
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dxil::Resources &Res = getAnalysis<DXILResourceWrapper>().getDXILResource();
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Res.print(OS);
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return false;
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}
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ModulePass *llvm::createDXILPrettyPrinterPass(raw_ostream &OS) {
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return new DXILPrettyPrinter(OS);
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}
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