[InstCombine] Signed saturation patterns
[llvm-complete.git] / include / llvm / DebugInfo / CodeView / AppendingTypeTableBuilder.h
blob0ac8b651939d80d6fe35c5510691ae5a6019ab61
1 //===- AppendingTypeTableBuilder.h -------------------------------*- C++-*-===//
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 //===----------------------------------------------------------------------===//
9 #ifndef LLVM_DEBUGINFO_CODEVIEW_APPENDINGTYPETABLEBUILDER_H
10 #define LLVM_DEBUGINFO_CODEVIEW_APPENDINGTYPETABLEBUILDER_H
12 #include "llvm/ADT/ArrayRef.h"
13 #include "llvm/ADT/SmallVector.h"
14 #include "llvm/DebugInfo/CodeView/CodeView.h"
15 #include "llvm/DebugInfo/CodeView/SimpleTypeSerializer.h"
16 #include "llvm/DebugInfo/CodeView/TypeCollection.h"
17 #include "llvm/DebugInfo/CodeView/TypeIndex.h"
18 #include "llvm/Support/Allocator.h"
19 #include <cassert>
20 #include <cstdint>
21 #include <memory>
22 #include <vector>
24 namespace llvm {
25 namespace codeview {
27 class ContinuationRecordBuilder;
29 class AppendingTypeTableBuilder : public TypeCollection {
31 BumpPtrAllocator &RecordStorage;
32 SimpleTypeSerializer SimpleSerializer;
34 /// Contains a list of all records indexed by TypeIndex.toArrayIndex().
35 SmallVector<ArrayRef<uint8_t>, 2> SeenRecords;
37 public:
38 explicit AppendingTypeTableBuilder(BumpPtrAllocator &Storage);
39 ~AppendingTypeTableBuilder();
41 // TypeTableCollection overrides
42 Optional<TypeIndex> getFirst() override;
43 Optional<TypeIndex> getNext(TypeIndex Prev) override;
44 CVType getType(TypeIndex Index) override;
45 StringRef getTypeName(TypeIndex Index) override;
46 bool contains(TypeIndex Index) override;
47 uint32_t size() override;
48 uint32_t capacity() override;
50 // public interface
51 void reset();
52 TypeIndex nextTypeIndex() const;
54 BumpPtrAllocator &getAllocator() { return RecordStorage; }
56 ArrayRef<ArrayRef<uint8_t>> records() const;
57 TypeIndex insertRecordBytes(ArrayRef<uint8_t> &Record);
58 TypeIndex insertRecord(ContinuationRecordBuilder &Builder);
60 template <typename T> TypeIndex writeLeafType(T &Record) {
61 ArrayRef<uint8_t> Data = SimpleSerializer.serialize(Record);
62 return insertRecordBytes(Data);
66 } // end namespace codeview
67 } // end namespace llvm
69 #endif // LLVM_DEBUGINFO_CODEVIEW_TYPETABLEBUILDER_H