Change XCoreAsmPrinter to lower MachineInstrs to MCInsts before emission.

This change adds XCoreMCInstLower to do the lowering to MCInst and
XCoreInstPrinter to print the MCInsts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170288 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 44 insertions, 0 deletions

diff --git a/lib/Target/XCore/XCoreMCInstLower.h b/lib/Target/XCore/XCoreMCInstLower.h
new file mode 100644
index 0000000000..10bf5d863e
--- /dev/null
+++ b/lib/Target/XCore/XCoreMCInstLower.h
@@ -0,0 +1,44 @@
+//===-- XCoreMCInstLower.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 XCOREMCINSTLOWER_H
+#define XCOREMCINSTLOWER_H
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/CodeGen/MachineOperand.h"
+#include "llvm/Support/Compiler.h"
+
+namespace llvm {
+  class MCContext;
+  class MCInst;
+  class MCOperand;
+  class MachineInstr;
+  class MachineFunction;
+  class Mangler;
+  class AsmPrinter;
+
+/// XCoreMCInstLower - This class is used to lower an MachineInstr into an
+//                     MCInst.
+class LLVM_LIBRARY_VISIBILITY XCoreMCInstLower {
+  typedef MachineOperand::MachineOperandType MachineOperandType;
+  MCContext *Ctx;
+  Mangler *Mang;
+  AsmPrinter &Printer;
+public:
+  XCoreMCInstLower(class AsmPrinter &asmprinter);
+  void Initialize(Mangler *mang, MCContext *C);
+  void Lower(const MachineInstr *MI, MCInst &OutMI) const;
+  MCOperand LowerOperand(const MachineOperand& MO, unsigned offset = 0) const;
+
+private:
+  MCOperand LowerSymbolOperand(const MachineOperand &MO,
+                               MachineOperandType MOTy, unsigned Offset) const;
+};
+}
+
+#endif