llvm/llvm/lib/IR/LLVMContextImpl.cpp

//===- LLVMContextImpl.cpp - Implement LLVMContextImpl --------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
//  This file implements the opaque LLVMContextImpl.
//
//===----------------------------------------------------------------------===//

#include "LLVMContextImpl.h"
#include "AttributeImpl.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/StringMapEntry.h"
#include "llvm/ADT/iterator.h"
#include "llvm/ADT/iterator_range.h"
#include "llvm/IR/DiagnosticHandler.h"
#include "llvm/IR/LLVMRemarkStreamer.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Use.h"
#include "llvm/IR/User.h"
#include "llvm/Remarks/RemarkStreamer.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TypeSize.h"
#include <cassert>
#include <utility>

usingnamespacellvm;

LLVMContextImpl::LLVMContextImpl(LLVMContext &C)
    : … { … }

LLVMContextImpl::~LLVMContextImpl() { … }

void LLVMContextImpl::dropTriviallyDeadConstantArrays() { … }

void Module::dropTriviallyDeadConstantArrays() { … }

namespace llvm {

/// Make MDOperand transparent for hashing.
///
/// This overload of an implementation detail of the hashing library makes
/// MDOperand hash to the same value as a \a Metadata pointer.
///
/// Note that overloading \a hash_value() as follows:
///
/// \code
///     size_t hash_value(const MDOperand &X) { return hash_value(X.get()); }
/// \endcode
///
/// does not cause MDOperand to be transparent.  In particular, a bare pointer
/// doesn't get hashed before it's combined, whereas \a MDOperand would.
static const Metadata *get_hashable_data(const MDOperand &X) { … }

} // end namespace llvm

unsigned MDNodeOpsKey::calculateHash(MDNode *N, unsigned Offset) { … }

unsigned MDNodeOpsKey::calculateHash(ArrayRef<Metadata *> Ops) { … }

StringMapEntry<uint32_t> *LLVMContextImpl::getOrInsertBundleTag(StringRef Tag) { … }

void LLVMContextImpl::getOperandBundleTags(SmallVectorImpl<StringRef> &Tags) const { … }

uint32_t LLVMContextImpl::getOperandBundleTagID(StringRef Tag) const { … }

SyncScope::ID LLVMContextImpl::getOrInsertSyncScopeID(StringRef SSN) { … }

void LLVMContextImpl::getSyncScopeNames(
    SmallVectorImpl<StringRef> &SSNs) const { … }

std::optional<StringRef>
LLVMContextImpl::getSyncScopeName(SyncScope::ID Id) const { … }

/// Gets the OptPassGate for this LLVMContextImpl, which defaults to the
/// singleton OptBisect if not explicitly set.
OptPassGate &LLVMContextImpl::getOptPassGate() const { … }

void LLVMContextImpl::setOptPassGate(OptPassGate& OPG) { … }