Switch most getReservedRegs() clients to the MRI equivalent.

[oota-llvm.git] / include / llvm / Target / TargetFrameLowering.h

diff --git a/include/llvm/Target/TargetFrameLowering.h b/include/llvm/Target/TargetFrameLowering.h
index bec84e5d16db933a582dee17e2ca398d2ff8de1b..d56db7b5118e9e305a56b43904b3971305a9dff7 100644 (file)
--- 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