Refactor some of the code that sets up the entry block for SjLj EH. No functionality change.

llvm-svn: 141323
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.h b/llvm/lib/Target/ARM/ARMISelLowering.h
index 0946f07..1f51754 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.h
+++ b/llvm/lib/Target/ARM/ARMISelLowering.h
@@ -512,6 +512,10 @@
                                                bool signExtend,
                                                ARMCC::CondCodes Cond) const;
 
+    void SetupEntryBlockForSjLj(MachineInstr *MI,
+                                MachineBasicBlock *MBB,
+                                MachineBasicBlock *DispatchBB, int FI) const;
+
     MachineBasicBlock *EmitSjLjDispatchBlock(MachineInstr *MI,
                                              MachineBasicBlock *MBB) const;