Add Thumb2 lsr hooks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79032 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.h b/lib/Target/ARM/ARMISelLowering.h
index 88dddf2..3a90ca3 100644
--- a/lib/Target/ARM/ARMISelLowering.h
+++ b/lib/Target/ARM/ARMISelLowering.h
@@ -169,6 +169,7 @@
     /// isLegalAddressingMode - Return true if the addressing mode represented
     /// by AM is legal for this target, for a load/store of the specified type.
     virtual bool isLegalAddressingMode(const AddrMode &AM, const Type *Ty)const;
+    bool isLegalT2ScaledAddressingMode(const AddrMode &AM, EVT VT) const;
 
     /// getPreIndexedAddressParts - returns true by value, base pointer and
     /// offset pointer and addressing mode by reference if the node's address