1 files changed, 54 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/MSP430/MSP430FrameLowering.h b/contrib/llvm/lib/Target/MSP430/MSP430FrameLowering.h
new file mode 100644
index 000000000000..f77de18b4d16
--- /dev/null
+++ b/contrib/llvm/lib/Target/MSP430/MSP430FrameLowering.h
@@ -0,0 +1,54 @@
+//==- MSP430FrameLowering.h - Define frame lowering for MSP430 --*- 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_MSP430_MSP430FRAMELOWERING_H
+#define LLVM_LIB_TARGET_MSP430_MSP430FRAMELOWERING_H
+
+#include "MSP430.h"
+#include "llvm/Target/TargetFrameLowering.h"
+
+namespace llvm {
+class MSP430FrameLowering : public TargetFrameLowering {
+protected:
+
+public:
+  explicit MSP430FrameLowering()
+      : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, 2, -2, 2) {}
+
+  /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
+  /// the function.
+  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
+  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
+
+  MachineBasicBlock::iterator
+  eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
+                                MachineBasicBlock::iterator I) const override;
+
+  bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+                                 MachineBasicBlock::iterator MI,
+                                 const std::vector<CalleeSavedInfo> &CSI,
+                                 const TargetRegisterInfo *TRI) const override;
+  bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
+                                  MachineBasicBlock::iterator MI,
+                                  const std::vector<CalleeSavedInfo> &CSI,
+                                  const TargetRegisterInfo *TRI) const override;
+
+  bool hasFP(const MachineFunction &MF) const override;
+  bool hasReservedCallFrame(const MachineFunction &MF) const override;
+  void processFunctionBeforeFrameFinalized(MachineFunction &MF,
+                                     RegScavenger *RS = nullptr) const override;
+};
+
+} // End llvm namespace
+
+#endif