Create enums for the different attributes.

We use the enums to query whether an Attributes object has that attribute. The
opaque layer is responsible for knowing where that specific attribute is stored.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165488 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMFrameLowering.cpp b/lib/Target/ARM/ARMFrameLowering.cpp
index e77cf87..3e70d57 100644
--- a/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/lib/Target/ARM/ARMFrameLowering.cpp
@@ -1151,7 +1151,7 @@
     return;
 
   // Naked functions don't spill callee-saved registers.
-  if (MF.getFunction()->getFnAttributes().hasNakedAttr())
+  if (MF.getFunction()->getFnAttributes().hasAttribute(Attributes::Naked))
     return;
 
   // We are planning to use NEON instructions vst1 / vld1.