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