Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/lib/CodeGen/AsmPrinter/ByteStreamer.h

@@ -1,110 +0,0 @@
-//===-- llvm/CodeGen/ByteStreamer.h - ByteStreamer class --------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains a class that can take bytes that would normally be
-// streamed via the AsmPrinter.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_BYTESTREAMER_H
-#define LLVM_LIB_CODEGEN_ASMPRINTER_BYTESTREAMER_H
-
-#include "DIEHash.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/Support/LEB128.h"
-#include <string>
-
-namespace llvm {
-class ByteStreamer {
- protected:
-  ~ByteStreamer() = default;
-  ByteStreamer(const ByteStreamer&) = default;
-  ByteStreamer() = default;
-
- public:
-  // For now we're just handling the calls we need for dwarf emission/hashing.
-  virtual void EmitInt8(uint8_t Byte, const Twine &Comment = "") = 0;
-  virtual void EmitSLEB128(uint64_t DWord, const Twine &Comment = "") = 0;
-  virtual void EmitULEB128(uint64_t DWord, const Twine &Comment = "") = 0;
-};
-
-class APByteStreamer final : public ByteStreamer {
-private:
-  AsmPrinter &AP;
-
-public:
-  APByteStreamer(AsmPrinter &Asm) : AP(Asm) {}
-  void EmitInt8(uint8_t Byte, const Twine &Comment) override {
-    AP.OutStreamer->AddComment(Comment);
-    AP.EmitInt8(Byte);
-  }
-  void EmitSLEB128(uint64_t DWord, const Twine &Comment) override {
-    AP.OutStreamer->AddComment(Comment);
-    AP.EmitSLEB128(DWord);
-  }
-  void EmitULEB128(uint64_t DWord, const Twine &Comment) override {
-    AP.OutStreamer->AddComment(Comment);
-    AP.EmitULEB128(DWord);
-  }
-};
-
-class HashingByteStreamer final : public ByteStreamer {
- private:
-  DIEHash &Hash;
- public:
- HashingByteStreamer(DIEHash &H) : Hash(H) {}
-  void EmitInt8(uint8_t Byte, const Twine &Comment) override {
-    Hash.update(Byte);
-  }
-  void EmitSLEB128(uint64_t DWord, const Twine &Comment) override {
-    Hash.addSLEB128(DWord);
-  }
-  void EmitULEB128(uint64_t DWord, const Twine &Comment) override {
-    Hash.addULEB128(DWord);
-  }
-};
-
-class BufferByteStreamer final : public ByteStreamer {
-private:
-  SmallVectorImpl<char> &Buffer;
-  SmallVectorImpl<std::string> &Comments;
-
-  /// \brief Only verbose textual output needs comments.  This will be set to
-  /// true for that case, and false otherwise.  If false, comments passed in to
-  /// the emit methods will be ignored.
-  bool GenerateComments;
-
-public:
-  BufferByteStreamer(SmallVectorImpl<char> &Buffer,
-                     SmallVectorImpl<std::string> &Comments,
-                     bool GenerateComments)
-  : Buffer(Buffer), Comments(Comments), GenerateComments(GenerateComments) {}
-  void EmitInt8(uint8_t Byte, const Twine &Comment) override {
-    Buffer.push_back(Byte);
-    if (GenerateComments)
-      Comments.push_back(Comment.str());
-  }
-  void EmitSLEB128(uint64_t DWord, const Twine &Comment) override {
-    raw_svector_ostream OSE(Buffer);
-    encodeSLEB128(DWord, OSE);
-    if (GenerateComments)
-      Comments.push_back(Comment.str());
-  }
-  void EmitULEB128(uint64_t DWord, const Twine &Comment) override {
-    raw_svector_ostream OSE(Buffer);
-    encodeULEB128(DWord, OSE);
-    if (GenerateComments)
-      Comments.push_back(Comment.str());
-  }
-};
-
-}
-
-#endif