Move callee-saved regs spills / reloads to TFI

[oota-llvm.git] / lib / Target / SystemZ / SystemZFrameInfo.h

diff --git a/lib/Target/SystemZ/SystemZFrameInfo.h b/lib/Target/SystemZ/SystemZFrameInfo.h
index 85782f86f0598674d0a0b356a277a9911a34a73a..a977502d65bf6139123bc5f9854b619b121a36e2 100644 (file)
--- a/lib/Target/SystemZ/SystemZFrameInfo.h
+++ b/lib/Target/SystemZ/SystemZFrameInfo.h
@@ -17,24 +17,33 @@
 #include "SystemZ.h"
 #include "SystemZSubtarget.h"
 #include "llvm/Target/TargetFrameInfo.h"
+#include "llvm/ADT/IndexedMap.h"
 
 namespace llvm {
   class SystemZSubtarget;
 
 class SystemZFrameInfo : public TargetFrameInfo {
+  IndexedMap<unsigned> RegSpillOffsets;
 protected:
   const SystemZSubtarget &STI;
 
 public:
-  explicit SystemZFrameInfo(const SystemZSubtarget &sti)
-    : TargetFrameInfo(TargetFrameInfo::StackGrowsDown, 8, -160), STI(sti) {
-  }
+  explicit SystemZFrameInfo(const SystemZSubtarget &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;
 
+  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 hasReservedCallFrame(const MachineFunction &MF) const { return true; }
   bool hasFP(const MachineFunction &MF) const;
   int getFrameIndexOffset(const MachineFunction &MF, int FI) const;