43 lines · cpp
1//===- TypedPointerType.cpp - Typed Pointer Type --------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9//10//===----------------------------------------------------------------------===//11 12#include "llvm/IR/TypedPointerType.h"13#include "LLVMContextImpl.h"14 15using namespace llvm;16 17TypedPointerType *TypedPointerType::get(Type *EltTy, unsigned AddressSpace) {18 assert(EltTy && "Can't get a pointer to <null> type!");19 assert(isValidElementType(EltTy) && "Invalid type for pointer element!");20 21 LLVMContextImpl *CImpl = EltTy->getContext().pImpl;22 23 TypedPointerType *&Entry =24 CImpl->ASTypedPointerTypes[std::make_pair(EltTy, AddressSpace)];25 26 if (!Entry)27 Entry = new (CImpl->Alloc) TypedPointerType(EltTy, AddressSpace);28 return Entry;29}30 31TypedPointerType::TypedPointerType(Type *E, unsigned AddrSpace)32 : Type(E->getContext(), TypedPointerTyID), PointeeTy(E) {33 ContainedTys = &PointeeTy;34 NumContainedTys = 1;35 setSubclassData(AddrSpace);36}37 38bool TypedPointerType::isValidElementType(Type *ElemTy) {39 return !ElemTy->isVoidTy() && !ElemTy->isLabelTy() &&40 !ElemTy->isMetadataTy() && !ElemTy->isTokenTy() &&41 !ElemTy->isX86_AMXTy();42}43