From d62f022c92fcc3ebe2269273628943a0089683fd Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Thu, 13 Aug 2026 06:19:30 +0800
Subject: [CodeGen] Align MIR parser and printer ownership

---
 backend/include/rcc/MIR/MIRDocument.h | 141 ----------------------------------
 1 file changed, 141 deletions(-)
 delete mode 100644 backend/include/rcc/MIR/MIRDocument.h

(limited to 'backend/include/rcc/MIR/MIRDocument.h')

diff --git a/backend/include/rcc/MIR/MIRDocument.h b/backend/include/rcc/MIR/MIRDocument.h
deleted file mode 100644
index 6041657..0000000
--- a/backend/include/rcc/MIR/MIRDocument.h
+++ /dev/null
@@ -1,141 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#ifndef RCC_MIR_MIRDOCUMENT_H
-#define RCC_MIR_MIRDOCUMENT_H
-
-#include "rcc/CodeGen/CompilationUnit.h"
-#include "rcc/CodeGen/StableID.h"
-#include "rcc/MIR/EmbeddedIR.h"
-#include "rcc/MIR/MIParser.h"
-#include "rcc/MIR/MIPrinter.h"
-#include "rcc/Support/TextDiagnostic.h"
-#include "rcc/Support/YAML.h"
-
-#include <cstdint>
-#include <optional>
-#include <span>
-#include <string>
-#include <utility>
-#include <vector>
-
-namespace rcc {
-
-class TargetDescription;
-
-namespace mir {
-
-struct MIRFunctionDocumentInfo final {
-  MachineFunctionStableID Function;
-  std::optional<bool> NoPHIs;
-  std::optional<bool> IsSSA;
-  std::optional<bool> NoVRegs;
-  std::optional<bool> HasFakeUses;
-
-  friend bool operator==(const MIRFunctionDocumentInfo &Left,
-                         const MIRFunctionDocumentInfo &Right) = default;
-};
-
-class MIRDocument final {
-public:
-  MIRDocument();
-  explicit MIRDocument(CompilationUnit Unit);
-  MIRDocument(const MIRDocument &) = delete;
-  MIRDocument &operator=(const MIRDocument &) = delete;
-  MIRDocument(MIRDocument &&) noexcept;
-  MIRDocument &operator=(MIRDocument &&) noexcept;
-  ~MIRDocument();
-
-  [[nodiscard]] CompilationUnit &unit() noexcept {
-    return Unit;
-  }
-
-  [[nodiscard]] const CompilationUnit &unit() const noexcept {
-    return Unit;
-  }
-
-  [[nodiscard]] const EmbeddedIRReferenceIndex *embeddedIR() const noexcept {
-    return EmbeddedIR ? &*EmbeddedIR : nullptr;
-  }
-
-  [[nodiscard]] std::span<const MIRFunctionDocumentInfo> functionDocumentInfo() const noexcept {
-    return FunctionInfo;
-  }
-
-  [[nodiscard]] std::span<const MISyncScopeSlot> syncScopes() const noexcept {
-    return SyncScopes;
-  }
-
-private:
-  CompilationUnit Unit;
-  std::optional<EmbeddedIRReferenceIndex> EmbeddedIR;
-  std::vector<MIRFunctionDocumentInfo> FunctionInfo;
-  std::vector<MISyncScopeSlot> SyncScopes;
-
-  friend class MIRDocumentParser;
-};
-
-struct MIRDocumentParserOptions final {
-  yaml::ParseOptions YAML;
-  MIParserOptions MachineInstructions;
-  std::string DataLayout;
-  bool VerifyMachineFunctions = true;
-};
-
-class MIRDocumentParseResult final {
-public:
-  MIRDocumentParseResult(const MIRDocumentParseResult &) = delete;
-  MIRDocumentParseResult &operator=(const MIRDocumentParseResult &) = delete;
-  MIRDocumentParseResult(MIRDocumentParseResult &&) noexcept;
-  MIRDocumentParseResult &operator=(MIRDocumentParseResult &&) noexcept;
-  ~MIRDocumentParseResult();
-
-  [[nodiscard]] bool succeeded() const noexcept {
-    return Document.has_value() && Diagnostics.empty();
-  }
-
-  [[nodiscard]] MIRDocument *document() noexcept {
-    return Document ? &*Document : nullptr;
-  }
-
-  [[nodiscard]] const MIRDocument *document() const noexcept {
-    return Document ? &*Document : nullptr;
-  }
-
-  [[nodiscard]] const TextSource &source() const noexcept {
-    return Source;
-  }
-
-  [[nodiscard]] std::span<const TextDiagnostic> diagnostics() const noexcept {
-    return Diagnostics;
-  }
-
-private:
-  MIRDocumentParseResult(std::string SourceName, std::string SourceText)
-      : Source(std::move(SourceName), std::move(SourceText)) {}
-
-  TextSource Source;
-  std::optional<MIRDocument> Document;
-  std::vector<TextDiagnostic> Diagnostics;
-
-  friend class MIRDocumentParser;
-};
-
-[[nodiscard]] MIRDocumentParseResult parseMIRDocument(const TargetDescription &Target,
-                                                      std::string SourceName,
-                                                      std::string SourceText,
-                                                      MIRDocumentParserOptions Options = {});
-
-struct MIRDocumentPrinterOptions final {
-  MIPrintMode Mode = MIPrintMode::Complete;
-  bool EmitEmbeddedIR = true;
-  std::string DataLayout;
-};
-
-[[nodiscard]] Expected<std::string> printMIRDocument(const MIRDocument &Document,
-                                                     const TargetDescription &Target,
-                                                     MIRDocumentPrinterOptions Options = {});
-
-} // namespace mir
-} // namespace rcc
-
-#endif // RCC_MIR_MIRDOCUMENT_H
-- 
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