Merge commit '100fbdd06be7590b23c4707a98cd605bdb519498' into merge_20130612

1 files changed, 47 insertions, 0 deletions

diff --git a/lib/Target/SystemZ/SystemZMCInstLower.h b/lib/Target/SystemZ/SystemZMCInstLower.h
new file mode 100644
index 0000000..afa72f3
--- /dev/null
+++ b/lib/Target/SystemZ/SystemZMCInstLower.h
@@ -0,0 +1,47 @@
+//===-- 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_SYSTEMZMCINSTLOWER_H
+#define LLVM_SYSTEMZMCINSTLOWER_H
+
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/Compiler.h"
+
+namespace llvm {
+class MCContext;
+class MCInst;
+class MCOperand;
+class MCSymbol;
+class MachineInstr;
+class MachineOperand;
+class Mangler;
+class SystemZAsmPrinter;
+
+class LLVM_LIBRARY_VISIBILITY SystemZMCInstLower {
+  Mangler *Mang;
+  MCContext &Ctx;
+  SystemZAsmPrinter &AsmPrinter;
+
+public:
+  SystemZMCInstLower(Mangler *mang, MCContext &ctx,
+                     SystemZAsmPrinter &asmPrinter);
+
+  // Lower MachineInstr MI to MCInst OutMI.
+  void lower(const MachineInstr *MI, MCInst &OutMI) const;
+
+  // Return an MCOperand for MO.  Return an empty operand if MO is implicit.
+  MCOperand lowerOperand(const MachineOperand& MO) const;
+
+  // Return an MCOperand for MO, given that it equals Symbol + Offset.
+  MCOperand lowerSymbolOperand(const MachineOperand &MO,
+                               const MCSymbol *Symbol, int64_t Offset) const;
+};
+} // end namespace llvm
+
+#endif