X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FTarget%2FTargetFrameLowering.h;h=d56db7b5118e9e305a56b43904b3971305a9dff7;hb=b21d9aebba7e45ddcbce61dd501000049cefb335;hp=e104b1663fdd72225c0cfbee31736f557752fcee;hpb=16c29b5f285f375be53dabaa73e3e91107485fe4;p=oota-llvm.git

diff --git a/include/llvm/Target/TargetFrameLowering.h b/include/llvm/Target/TargetFrameLowering.h
index e104b1663fd..d56db7b5118 100644
--- a/include/llvm/Target/TargetFrameLowering.h
+++ b/include/llvm/Target/TargetFrameLowering.h
@@ -22,8 +22,6 @@
 namespace llvm {
   class CalleeSavedInfo;
   class MachineFunction;
-  class MachineBasicBlock;
-  class MachineMove;
   class RegScavenger;
 
 /// Information about stack frame layout on the target.  It holds the direction
@@ -112,6 +110,10 @@ public:
   virtual void emitEpilogue(MachineFunction &MF,
                             MachineBasicBlock &MBB) const = 0;
 
+  /// Adjust the prologue to have the function use segmented stacks. This works
+  /// by adding a check even before the "normal" function prologue.
+  virtual void adjustForSegmentedStacks(MachineFunction &MF) const { }
+
   /// spillCalleeSavedRegisters - Issues instruction(s) to spill all callee
   /// saved registers and returns true if it isn't possible / profitable to do
   /// so by issuing a series of store instructions via
@@ -159,11 +161,6 @@ public:
     return hasReservedCallFrame(MF) || hasFP(MF);
   }
 
-  /// getInitialFrameState - Returns a list of machine moves that are assumed
-  /// on entry to all functions.  Note that LabelID is ignored (assumed to be
-  /// the beginning of the function.)
-  virtual void getInitialFrameState(std::vector<MachineMove> &Moves) const;
-
   /// getFrameIndexOffset - Returns the displacement from the frame register to
   /// the stack frame of the specified index.
   virtual int getFrameIndexOffset(const MachineFunction &MF, int FI) const;