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diff --git a/contrib/llvm-project/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCCodeEmitter.h b/contrib/llvm-project/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCCodeEmitter.h
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+++ b/contrib/llvm-project/llvm/lib/Target/CSKY/MCTargetDesc/CSKYMCCodeEmitter.h
@@ -0,0 +1,61 @@
+//===-- CSKYMCCodeEmitter.cpp - CSKY Code Emitter interface ---------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the CSKYMCCodeEmitter class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYMCCODEEMITTER_H
+#define LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYMCCODEEMITTER_H
+
+#include "llvm/MC/MCCodeEmitter.h"
+#include "llvm/MC/MCContext.h"
+
+namespace llvm {
+
+class CSKYMCCodeEmitter : public MCCodeEmitter {
+ MCContext &Ctx;
+ const MCInstrInfo &MII;
+
+public:
+ CSKYMCCodeEmitter(MCContext &Ctx, const MCInstrInfo &MII)
+ : Ctx(Ctx), MII(MII) {}
+
+ ~CSKYMCCodeEmitter() {}
+
+ void encodeInstruction(const MCInst &Inst, raw_ostream &OS,
+ SmallVectorImpl<MCFixup> &Fixups,
+ const MCSubtargetInfo &STI) const override;
+
+ // Generated by tablegen.
+ uint64_t getBinaryCodeForInstr(const MCInst &MI,
+ SmallVectorImpl<MCFixup> &Fixups,
+ const MCSubtargetInfo &STI) const;
+
+ // Default encoding method used by tablegen.
+ unsigned getMachineOpValue(const MCInst &MI, const MCOperand &MO,
+ SmallVectorImpl<MCFixup> &Fixups,
+ const MCSubtargetInfo &STI) const;
+
+ template <int shift = 0>
+ unsigned getImmOpValue(const MCInst &MI, unsigned Idx,
+ SmallVectorImpl<MCFixup> &Fixups,
+ const MCSubtargetInfo &STI) const {
+ const MCOperand &MO = MI.getOperand(Idx);
+ assert(MO.isImm() && "Unexpected MO type.");
+ return (MO.getImm() >> shift);
+ }
+
+ unsigned getOImmOpValue(const MCInst &MI, unsigned Idx,
+ SmallVectorImpl<MCFixup> &Fixups,
+ const MCSubtargetInfo &STI) const;
+};
+
+} // namespace llvm
+
+#endif // LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYMCCODEEMITTER_H