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//===- DXILTranslateMetadata.cpp - Pass to emit DXIL metadata ---*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
///
//===----------------------------------------------------------------------===//
#include "DXILMetadata.h"
#include "DXILResource.h"
#include "DXILResourceAnalysis.h"
#include "DXILShaderFlags.h"
#include "DirectX.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/Pass.h"
#include "llvm/TargetParser/Triple.h"
using namespace llvm;
using namespace llvm::dxil;
namespace {
class DXILTranslateMetadata : public ModulePass {
public:
static char ID; // Pass identification, replacement for typeid
explicit DXILTranslateMetadata() : ModulePass(ID) {}
StringRef getPassName() const override { return "DXIL Metadata Emit"; }
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
AU.addRequired<DXILResourceWrapper>();
AU.addRequired<ShaderFlagsAnalysisWrapper>();
}
bool runOnModule(Module &M) override;
};
} // namespace
bool DXILTranslateMetadata::runOnModule(Module &M) {
dxil::ValidatorVersionMD ValVerMD(M);
if (ValVerMD.isEmpty())
ValVerMD.update(VersionTuple(1, 0));
dxil::createShaderModelMD(M);
const dxil::Resources &Res =
getAnalysis<DXILResourceWrapper>().getDXILResource();
Res.write(M);
const uint64_t Flags =
(uint64_t)(getAnalysis<ShaderFlagsAnalysisWrapper>().getShaderFlags());
dxil::createEntryMD(M, Flags);
return false;
}
char DXILTranslateMetadata::ID = 0;
ModulePass *llvm::createDXILTranslateMetadataPass() {
return new DXILTranslateMetadata();
}
INITIALIZE_PASS_BEGIN(DXILTranslateMetadata, "dxil-metadata-emit",
"DXIL Metadata Emit", false, false)
INITIALIZE_PASS_DEPENDENCY(DXILResourceWrapper)
INITIALIZE_PASS_DEPENDENCY(ShaderFlagsAnalysisWrapper)
INITIALIZE_PASS_END(DXILTranslateMetadata, "dxil-metadata-emit",
"DXIL Metadata Emit", false, false)
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