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//===- TypedPointerType.cpp - Typed Pointer Type --------------------------===//
//
// 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 "llvm/IR/TypedPointerType.h"
#include "LLVMContextImpl.h"
using namespace llvm;
TypedPointerType *TypedPointerType::get(Type *EltTy, unsigned AddressSpace) {
assert(EltTy && "Can't get a pointer to <null> type!");
assert(isValidElementType(EltTy) && "Invalid type for pointer element!");
LLVMContextImpl *CImpl = EltTy->getContext().pImpl;
// Since AddressSpace #0 is the common case, we special case it.
TypedPointerType *&Entry =
CImpl->ASTypedPointerTypes[std::make_pair(EltTy, AddressSpace)];
if (!Entry)
Entry = new (CImpl->Alloc) TypedPointerType(EltTy, AddressSpace);
return Entry;
}
TypedPointerType::TypedPointerType(Type *E, unsigned AddrSpace)
: Type(E->getContext(), TypedPointerTyID), PointeeTy(E) {
ContainedTys = &PointeeTy;
NumContainedTys = 1;
setSubclassData(AddrSpace);
}
bool TypedPointerType::isValidElementType(Type *ElemTy) {
return !ElemTy->isVoidTy() && !ElemTy->isLabelTy() &&
!ElemTy->isMetadataTy() && !ElemTy->isTokenTy() &&
!ElemTy->isX86_AMXTy();
}
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