1 files changed, 36 insertions, 0 deletions
diff --git a/backend/include/rcc/CodeGen/TargetMCInstLowering.h b/backend/include/rcc/CodeGen/TargetMCInstLowering.h
new file mode 100644
index 0000000..eacb48e
--- /dev/null
+++ b/backend/include/rcc/CodeGen/TargetMCInstLowering.h
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef RCC_CODEGEN_TARGETMCINSTLOWERING_H
+#define RCC_CODEGEN_TARGETMCINSTLOWERING_H
+
+#include "rcc/MC/MCExpr.h"
+#include "rcc/MC/MCInst.h"
+#include "rcc/MC/MCInstPrinter.h"
+#include "rcc/MC/MCStreamer.h"
+#include "rcc/Support/Error.h"
+
+namespace rcc {
+
+class MachineInstr;
+class MachineMCContext;
+
+class TargetMCInstLowering {
+public:
+  virtual ~TargetMCInstLowering() = default;
+
+  [[nodiscard]] virtual const mc::MCInstPrinter &instructionPrinter() const noexcept = 0;
+
+  [[nodiscard]] virtual Expected<mc::MCInst> lowerInstruction(const MachineInstr &Instruction,
+                                                              MachineMCContext &Context) const = 0;
+
+  [[nodiscard]] virtual Expected<mc::MCExprRef>
+  lowerSymbolExpression(mc::MCExprRef Expression, std::uint32_t TargetFlags) const = 0;
+
+  [[nodiscard]] virtual Expected<void> emitTerminalInstruction(const MachineInstr &Instruction,
+                                                               MachineMCContext &Context,
+                                                               mc::MCStreamer &Streamer) const;
+};
+
+} // namespace rcc
+
+#endif // RCC_CODEGEN_TARGETMCINSTLOWERING_H