Imported Upstream version 5.18.0.207

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2018-11-17 08:23:10 +00:00
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commit eb85e2fc17
28480 changed files with 72 additions and 3866936 deletions

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//===- MetadataImpl.h - Helpers for implementing metadata -----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file has private helpers for implementing metadata types.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_IR_METADATAIMPL_H
#define LLVM_IR_METADATAIMPL_H
#include "llvm/ADT/DenseSet.h"
#include "llvm/IR/Metadata.h"
namespace llvm {
template <class T, class InfoT>
static T *getUniqued(DenseSet<T *, InfoT> &Store,
const typename InfoT::KeyTy &Key) {
auto I = Store.find_as(Key);
return I == Store.end() ? nullptr : *I;
}
template <class T> T *MDNode::storeImpl(T *N, StorageType Storage) {
switch (Storage) {
case Uniqued:
llvm_unreachable("Cannot unique without a uniquing-store");
case Distinct:
N->storeDistinctInContext();
break;
case Temporary:
break;
}
return N;
}
template <class T, class StoreT>
T *MDNode::storeImpl(T *N, StorageType Storage, StoreT &Store) {
switch (Storage) {
case Uniqued:
Store.insert(N);
break;
case Distinct:
N->storeDistinctInContext();
break;
case Temporary:
break;
}
return N;
}
} // end namespace llvm
#endif