Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123170 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86FrameLowering.h b/lib/Target/X86/X86FrameLowering.h
new file mode 100644
index 0000000..c067e64
--- /dev/null
+++ b/lib/Target/X86/X86FrameLowering.h
@@ -0,0 +1,66 @@
+//=-- X86TargetFrameLowering.h - Define frame lowering for X86 ---*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class implements X86-specific bits of TargetFrameLowering class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef X86_FRAMELOWERING_H
+#define X86_FRAMELOWERING_H
+
+#include "X86Subtarget.h"
+#include "llvm/Target/TargetFrameLowering.h"
+
+namespace llvm {
+ class MCSymbol;
+ class X86TargetMachine;
+
+class X86FrameLowering : public TargetFrameLowering {
+ const X86TargetMachine &TM;
+ const X86Subtarget &STI;
+public:
+ explicit X86FrameLowering(const X86TargetMachine &tm, const X86Subtarget &sti)
+ : TargetFrameLowering(StackGrowsDown,
+ sti.getStackAlignment(),
+ (sti.isTargetWin64() ? -40 :
+ (sti.is64Bit() ? -8 : -4))),
+ TM(tm), 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;
+
+ void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
+ RegScavenger *RS = NULL) const;
+
+ bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const;
+
+ bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const;
+
+ bool hasFP(const MachineFunction &MF) const;
+ bool hasReservedCallFrame(const MachineFunction &MF) const;
+
+ void getInitialFrameState(std::vector<MachineMove> &Moves) const;
+ int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
+};
+
+} // End llvm namespace
+
+#endif