First step of huge frame-related refactoring: move emit{Prologue,Epilogue} out of TargetRegisterInfo to TargetFrameInfo, which is definitely much better suitable place

llvm-svn: 119097

1 files changed, 41 insertions, 0 deletions

diff --git a/llvm/lib/Target/MSP430/MSP430FrameInfo.h b/llvm/lib/Target/MSP430/MSP430FrameInfo.h
new file mode 100644
index 00000000000..aa4198f4f96
--- /dev/null
+++ b/llvm/lib/Target/MSP430/MSP430FrameInfo.h
@@ -0,0 +1,41 @@
+//===-- MSP430FrameInfo.h - Define TargetFrameInfo 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 MSP430_FRAMEINFO_H
+#define MSP430_FRAMEINFO_H
+
+#include "MSP430.h"
+#include "MSP430Subtarget.h"
+#include "llvm/Target/TargetFrameInfo.h"
+
+namespace llvm {
+  class MSP430Subtarget;
+
+class MSP430FrameInfo : public TargetFrameInfo {
+protected:
+  const MSP430Subtarget &STI;
+
+public:
+  explicit MSP430FrameInfo(const MSP430Subtarget &sti)
+    : TargetFrameInfo(TargetFrameInfo::StackGrowsDown, 2, -2), STI(sti) {
+  }
+
+  /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
+  /// the function.
+  void emitPrologue(MachineFunction &MF) const;
+  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+};
+
+} // End llvm namespace
+
+#endif