SparcFrameLowering.cpp: Mark verifyLeafProcRegUse() as UNUSED. [-Wunused-function]

llvm-svn: 182850
diff --git a/llvm/lib/Target/Sparc/SparcFrameLowering.cpp b/llvm/lib/Target/Sparc/SparcFrameLowering.cpp
index 3832c10..2e52298 100644
--- a/llvm/lib/Target/Sparc/SparcFrameLowering.cpp
+++ b/llvm/lib/Target/Sparc/SparcFrameLowering.cpp
@@ -136,7 +136,7 @@
 }
 
 
-static bool verifyLeafProcRegUse(MachineRegisterInfo *MRI)
+static bool LLVM_ATTRIBUTE_UNUSED verifyLeafProcRegUse(MachineRegisterInfo *MRI)
 {
 
   for (unsigned reg = SP::I0; reg <= SP::I7; ++reg)