Add methods which query for the specific attribute instead of using the
enums. This allows for better encapsulation of the Attributes class.

llvm-svn: 165132
diff --git a/llvm/lib/Target/ARM/ARMFastISel.cpp b/llvm/lib/Target/ARM/ARMFastISel.cpp
index 8933a02..ecd4845 100644
--- a/llvm/lib/Target/ARM/ARMFastISel.cpp
+++ b/llvm/lib/Target/ARM/ARMFastISel.cpp
@@ -2320,16 +2320,16 @@
 
     ISD::ArgFlagsTy Flags;
     unsigned AttrInd = i - CS.arg_begin() + 1;
-    if (CS.paramHasAttr(AttrInd, Attribute::SExt))
+    if (CS.paramHasSExtAttr(AttrInd))
       Flags.setSExt();
-    if (CS.paramHasAttr(AttrInd, Attribute::ZExt))
+    if (CS.paramHasZExtAttr(AttrInd))
       Flags.setZExt();
 
     // FIXME: Only handle *easy* calls for now.
-    if (CS.paramHasAttr(AttrInd, Attribute::InReg) ||
-        CS.paramHasAttr(AttrInd, Attribute::StructRet) ||
-        CS.paramHasAttr(AttrInd, Attribute::Nest) ||
-        CS.paramHasAttr(AttrInd, Attribute::ByVal))
+    if (CS.paramHasInRegAttr(AttrInd) ||
+        CS.paramHasStructRetAttr(AttrInd) ||
+        CS.paramHasNestAttr(AttrInd) ||
+        CS.paramHasByValAttr(AttrInd))
       return false;
 
     Type *ArgTy = (*i)->getType();