Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCCodeEmitter.h

@@ -0,0 +1,75 @@
+//===-- AMDGPUCodeEmitter.h - AMDGPU Code Emitter interface -----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+/// \file
+/// \brief CodeEmitter interface for R600 and SI codegen.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUMCCODEEMITTER_H
+#define LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUMCCODEEMITTER_H
+
+#include "llvm/MC/MCCodeEmitter.h"
+#include "llvm/Support/raw_ostream.h"
+
+namespace llvm {
+
+class MCInst;
+class MCInstrInfo;
+class MCOperand;
+class MCSubtargetInfo;
+class FeatureBitset;
+
+class AMDGPUMCCodeEmitter : public MCCodeEmitter {
+  virtual void anchor();
+
+protected:
+  const MCInstrInfo &MCII;
+
+  AMDGPUMCCodeEmitter(const MCInstrInfo &mcii) : MCII(mcii) {}
+
+public:
+
+  uint64_t getBinaryCodeForInstr(const MCInst &MI,
+                                 SmallVectorImpl<MCFixup> &Fixups,
+                                 const MCSubtargetInfo &STI) const;
+
+  virtual uint64_t getMachineOpValue(const MCInst &MI, const MCOperand &MO,
+                                     SmallVectorImpl<MCFixup> &Fixups,
+                                     const MCSubtargetInfo &STI) const {
+    return 0;
+  }
+
+  virtual unsigned getSOPPBrEncoding(const MCInst &MI, unsigned OpNo,
+                                     SmallVectorImpl<MCFixup> &Fixups,
+                                     const MCSubtargetInfo &STI) const {
+    return 0;
+  }
+
+  virtual unsigned getSDWASrcEncoding(const MCInst &MI, unsigned OpNo,
+                                      SmallVectorImpl<MCFixup> &Fixups,
+                                      const MCSubtargetInfo &STI) const {
+    return 0;
+  }
+
+  virtual unsigned getSDWAVopcDstEncoding(const MCInst &MI, unsigned OpNo,
+                                          SmallVectorImpl<MCFixup> &Fixups,
+                                          const MCSubtargetInfo &STI) const {
+    return 0;
+  }
+
+protected:
+  uint64_t computeAvailableFeatures(const FeatureBitset &FB) const;
+  void verifyInstructionPredicates(const MCInst &MI,
+                                   uint64_t AvailableFeatures) const;
+};
+
+} // End namespace llvm
+
+#endif