Add code for save/restore of callee-saved registers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70739 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/MSP430/MSP430MachineFunctionInfo.h b/lib/Target/MSP430/MSP430MachineFunctionInfo.h
new file mode 100644
index 0000000..b94d7e4
--- /dev/null
+++ b/lib/Target/MSP430/MSP430MachineFunctionInfo.h
@@ -0,0 +1,39 @@
+//===- MSP430MachineFuctionInfo.h - MSP430 machine function info -*- C++ -*-==//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares MSP430-specific per-machine-function information.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef MSP430MACHINEFUNCTIONINFO_H
+#define MSP430MACHINEFUNCTIONINFO_H
+
+#include "llvm/CodeGen/MachineFunction.h"
+
+namespace llvm {
+
+/// MSP430MachineFunctionInfo - This class is derived from MachineFunction and
+/// contains private MSP430 target-specific information for each MachineFunction.
+class MSP430MachineFunctionInfo : public MachineFunctionInfo {
+ /// CalleeSavedFrameSize - Size of the callee-saved register portion of the
+ /// stack frame in bytes.
+ unsigned CalleeSavedFrameSize;
+
+public:
+ MSP430MachineFunctionInfo() : CalleeSavedFrameSize(0) {}
+
+ MSP430MachineFunctionInfo(MachineFunction &MF) : CalleeSavedFrameSize(0) {}
+
+ unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; }
+ void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; }
+};
+
+} // End llvm namespace
+
+#endif