1 | //===- TypedPointerType.cpp - Typed Pointer Type --------------------------===// |
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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-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // |
9 | // |
10 | //===----------------------------------------------------------------------===// |
11 | |
12 | #include "llvm/IR/TypedPointerType.h" |
13 | #include "LLVMContextImpl.h" |
14 | |
15 | using namespace llvm; |
16 | |
17 | TypedPointerType *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(x&: EltTy, y&: AddressSpace)]; |
25 | |
26 | if (!Entry) |
27 | Entry = new (CImpl->Alloc) TypedPointerType(EltTy, AddressSpace); |
28 | return Entry; |
29 | } |
30 | |
31 | TypedPointerType::TypedPointerType(Type *E, unsigned AddrSpace) |
32 | : Type(E->getContext(), TypedPointerTyID), PointeeTy(E) { |
33 | ContainedTys = &PointeeTy; |
34 | NumContainedTys = 1; |
35 | setSubclassData(AddrSpace); |
36 | } |
37 | |
38 | bool TypedPointerType::isValidElementType(Type *ElemTy) { |
39 | return !ElemTy->isVoidTy() && !ElemTy->isLabelTy() && |
40 | !ElemTy->isMetadataTy() && !ElemTy->isTokenTy() && |
41 | !ElemTy->isX86_AMXTy(); |
42 | } |
43 |