[ARM] Improve build attributes emission.

llvm-svn: 192111
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.h b/llvm/lib/Target/ARM/ARMSubtarget.h
index 7c7e402..f00feac 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.h
+++ b/llvm/lib/Target/ARM/ARMSubtarget.h
@@ -234,6 +234,7 @@
   bool hasV5TOps()  const { return HasV5TOps;  }
   bool hasV5TEOps() const { return HasV5TEOps; }
   bool hasV6Ops()   const { return HasV6Ops;   }
+  bool hasV6MOps()  const { return HasV6MOps;  }
   bool hasV6T2Ops() const { return HasV6T2Ops; }
   bool hasV7Ops()   const { return HasV7Ops;  }
   bool hasV8Ops()   const { return HasV8Ops;  }