From 8721893d3ba605f5374d9c0c7987af6110355638 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Wed, 12 Aug 2026 20:39:04 +0800
Subject: [CodeGen] Add TargetInstrInfo ownership

---
 backend/include/rcc/CodeGen/TargetBranchInfo.h | 66 --------------------------
 1 file changed, 66 deletions(-)
 delete mode 100644 backend/include/rcc/CodeGen/TargetBranchInfo.h

(limited to 'backend/include/rcc/CodeGen/TargetBranchInfo.h')

diff --git a/backend/include/rcc/CodeGen/TargetBranchInfo.h b/backend/include/rcc/CodeGen/TargetBranchInfo.h
deleted file mode 100644
index 39c5122..0000000
--- a/backend/include/rcc/CodeGen/TargetBranchInfo.h
+++ /dev/null
@@ -1,66 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#ifndef RCC_CODEGEN_TARGETBRANCHINFO_H
-#define RCC_CODEGEN_TARGETBRANCHINFO_H
-
-#include "rcc/Support/Error.h"
-
-#include <cstdint>
-#include <optional>
-
-namespace rcc {
-
-class MachineBasicBlock;
-class MachineFunction;
-class MachineInstr;
-class TargetDescription;
-
-struct MachineBranchAnalysis final {
-  MachineInstr *Conditional = nullptr;
-  MachineInstr *Unconditional = nullptr;
-  MachineBasicBlock *TrueTarget = nullptr;
-  MachineBasicBlock *FalseTarget = nullptr;
-  bool HasUnanalyzableTerminator = false;
-};
-
-class TargetBranchInfo {
-public:
-  virtual ~TargetBranchInfo() = default;
-
-  [[nodiscard]] virtual Expected<MachineBranchAnalysis>
-  analyzeBranch(MachineBasicBlock &Block, MachineFunction &Function,
-                const TargetDescription &Target) const = 0;
-  [[nodiscard]] virtual Expected<void>
-  reverseBranchCondition(MachineInstr &Branch, MachineBasicBlock &NewTarget,
-                         MachineFunction &Function, const TargetDescription &Target) const = 0;
-  [[nodiscard]] virtual Expected<void> removeBranch(MachineInstr &Branch, MachineFunction &Function,
-                                                    const TargetDescription &Target) const = 0;
-  [[nodiscard]] virtual Expected<bool>
-  rewriteBranchTarget(MachineBasicBlock &Block, MachineBasicBlock &OldTarget,
-                      MachineBasicBlock &NewTarget, MachineFunction &Function,
-                      const TargetDescription &Target) const = 0;
-  [[nodiscard]] virtual Expected<MachineInstr *>
-  insertUnconditionalBranch(MachineBasicBlock &Block, MachineBasicBlock &TargetBlock,
-                            MachineFunction &Function, const TargetDescription &Target) const = 0;
-
-  [[nodiscard]] virtual Expected<std::uint32_t>
-  instructionSize(const MachineInstr &Instruction, const MachineFunction &Function,
-                  const TargetDescription &Target) const = 0;
-  [[nodiscard]] virtual Expected<MachineBasicBlock *>
-  branchTarget(MachineInstr &Instruction, MachineFunction &Function,
-               const TargetDescription &Target) const = 0;
-  [[nodiscard]] virtual Expected<std::optional<bool>>
-  evaluateBranchCondition(const MachineInstr &, const MachineFunction &,
-                          const TargetDescription &) const {
-    return std::optional<bool>{};
-  }
-  [[nodiscard]] virtual bool isBranchOffsetInRange(const MachineInstr &Instruction,
-                                                   std::int64_t Offset) const noexcept = 0;
-  [[nodiscard]] virtual Expected<bool> relaxBranch(MachineInstr &Instruction, std::int64_t Offset,
-                                                   MachineFunction &Function,
-                                                   const TargetDescription &Target) const = 0;
-};
-
-} // namespace rcc
-
-#endif // RCC_CODEGEN_TARGETBRANCHINFO_H
-- 
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