Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/lib/Target/SystemZ/SystemZMCInstLower.h

@@ -0,0 +1,44 @@
+//===-- SystemZMCInstLower.h - Lower MachineInstr to MCInst ----*- C++ -*--===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZMCINSTLOWER_H
+#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZMCINSTLOWER_H
+
+#include "llvm/MC/MCExpr.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/DataTypes.h"
+
+namespace llvm {
+class MCInst;
+class MCOperand;
+class MachineInstr;
+class MachineOperand;
+class Mangler;
+class SystemZAsmPrinter;
+
+class LLVM_LIBRARY_VISIBILITY SystemZMCInstLower {
+  MCContext &Ctx;
+  SystemZAsmPrinter &AsmPrinter;
+
+public:
+  SystemZMCInstLower(MCContext &ctx, SystemZAsmPrinter &asmPrinter);
+
+  // Lower MachineInstr MI to MCInst OutMI.
+  void lower(const MachineInstr *MI, MCInst &OutMI) const;
+
+  // Return an MCOperand for MO.
+  MCOperand lowerOperand(const MachineOperand& MO) const;
+
+  // Return an MCExpr for symbolic operand MO with variant kind Kind.
+  const MCExpr *getExpr(const MachineOperand &MO,
+                        MCSymbolRefExpr::VariantKind Kind) const;
+};
+} // end namespace llvm
+
+#endif