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, 42 insertions, 0 deletions

diff --git a/lib/Target/XCore/InstPrinter/XCoreInstPrinter.h b/lib/Target/XCore/InstPrinter/XCoreInstPrinter.h
new file mode 100644
index 0000000000..c394560916
--- /dev/null
+++ b/lib/Target/XCore/InstPrinter/XCoreInstPrinter.h
@@ -0,0 +1,42 @@
+//== XCoreInstPrinter.h - Convert XCore MCInst to assembly syntax -*- C++ -*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class prints a XCore MCInst to a .s file.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef XCOREINSTPRINTER_H
+#define XCOREINSTPRINTER_H
+#include "llvm/MC/MCInstPrinter.h"
+
+namespace llvm {
+
+class TargetMachine;
+
+class XCoreInstPrinter : public MCInstPrinter {
+public:
+  XCoreInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
+                  const MCRegisterInfo &MRI)
+    : MCInstPrinter(MAI, MII, MRI) {}
+
+  // Autogenerated by tblgen.
+  void printInstruction(const MCInst *MI, raw_ostream &O);
+  static const char *getRegisterName(unsigned RegNo);
+
+  virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
+  virtual void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot);
+private:
+  void printInlineJT(const MCInst *MI, int opNum, raw_ostream &O);
+  void printInlineJT32(const MCInst *MI, int opNum, raw_ostream &O);
+  void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+  void printMemOperand(const MCInst *MI, int opNum, raw_ostream &O);
+};
+} // end namespace llvm
+
+#endif