1 files changed, 15 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetFrameLowering.h b/include/llvm/Target/TargetFrameLowering.h
index ea279168f7..58bfcec07a 100644
--- a/include/llvm/Target/TargetFrameLowering.h
+++ b/include/llvm/Target/TargetFrameLowering.h
@@ -196,6 +196,21 @@ public:
   ///
   virtual void processFunctionBeforeFrameFinalized(MachineFunction &MF) const {
   }
+
+  /// eliminateCallFramePseudoInstr - This method is called during prolog/epilog
+  /// code insertion to eliminate call frame setup and destroy pseudo
+  /// instructions (but only if the Target is using them).  It is responsible
+  /// for eliminating these instructions, replacing them with concrete
+  /// instructions.  This method need only be implemented if using call frame
+  /// setup/destroy pseudo instructions.
+  ///
+  virtual void
+  eliminateCallFramePseudoInstr(MachineFunction &MF,
+                                MachineBasicBlock &MBB,
+                                MachineBasicBlock::iterator MI) const {
+    llvm_unreachable("Call Frame Pseudo Instructions do not exist on this "
+                     "target!");
+  }
 };
 
 } // End llvm namespace