Rename GRAD to GR32_AD, to follow the naming convention of other
classes. And define its SubRegClassList.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77601 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index c4ed89e..bbc6ba5 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -9110,7 +9110,7 @@
     // 'A' means EAX + EDX.
     if (Constraint == "A") {
       Res.first = X86::EAX;
-      Res.second = X86::GRADRegisterClass;
+      Res.second = X86::GR32_ADRegisterClass;
     }
     return Res;
   }