X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FTarget%2FTargetFrameLowering.h;h=d56db7b5118e9e305a56b43904b3971305a9dff7;hb=b21d9aebba7e45ddcbce61dd501000049cefb335;hp=352b7aee8c8ad7d990ae9bd57d07aa2d5680226f;hpb=2d28617de2b0b731c08d1af9e830f31e14ac75b4;p=oota-llvm.git

diff --git a/include/llvm/Target/TargetFrameLowering.h b/include/llvm/Target/TargetFrameLowering.h
index 352b7aee8c8..d56db7b5118 100644
--- a/include/llvm/Target/TargetFrameLowering.h
+++ b/include/llvm/Target/TargetFrameLowering.h
@@ -15,8 +15,6 @@
 #define LLVM_TARGET_TARGETFRAMELOWERING_H
 
 #include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/MC/MCDwarf.h"
-#include "llvm/ADT/ArrayRef.h"
 
 #include <utility>
 #include <vector>
@@ -24,8 +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
@@ -114,6 +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
@@ -186,14 +186,6 @@ public:
   ///
   virtual void processFunctionBeforeFrameFinalized(MachineFunction &MF) const {
   }
-
-  /// getCompactUnwindEncoding - Get the compact unwind encoding for the
-  /// function. Return 0 if the compact unwind isn't available.
-  virtual uint32_t getCompactUnwindEncoding(ArrayRef<MCCFIInstruction> Instrs,
-                                            int DataAlignmentFactor,
-                                            bool IsEH) const {
-    return 0;
-  }
 };
 
 } // End llvm namespace