First step of huge frame-related refactoring: move emit{Prologue,Epilogue} out of TargetRegisterInfo to TargetFrameInfo, which is definitely much better suitable place
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119097 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86FrameInfo.h b/lib/Target/X86/X86FrameInfo.h
new file mode 100644
index 0000000..7828e17
--- /dev/null
+++ b/lib/Target/X86/X86FrameInfo.h
@@ -0,0 +1,46 @@
+//===-- X86TargetFrameInfo.h - Define TargetFrameInfo for X86 ---*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef X86_FRAMEINFO_H
+#define X86_FRAMEINFO_H
+
+#include "X86Subtarget.h"
+#include "llvm/Target/TargetFrameInfo.h"
+
+namespace llvm {
+ class MCSymbol;
+
+class X86FrameInfo : public TargetFrameInfo {
+protected:
+ const X86Subtarget &STI;
+
+public:
+ explicit X86FrameInfo(const X86Subtarget &sti)
+ : TargetFrameInfo(StackGrowsDown,
+ sti.getStackAlignment(),
+ (sti.isTargetWin64() ? -40 : (sti.is64Bit() ? -8 : -4))),
+ STI(sti) {
+ }
+
+ void emitCalleeSavedFrameMoves(MachineFunction &MF, MCSymbol *Label,
+ unsigned FramePtr) const;
+
+ /// 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