TableGen/ARM64: print aliases even if they have syntax variants.

To get at least one use of the change (and some actual tests) in with its
commit, I've enabled the AArch64 & ARM64 NEON mov aliases.

llvm-svn: 208867
diff --git a/llvm/utils/TableGen/CodeGenInstruction.h b/llvm/utils/TableGen/CodeGenInstruction.h
index dc39eb9..818d0e1 100644
--- a/llvm/utils/TableGen/CodeGenInstruction.h
+++ b/llvm/utils/TableGen/CodeGenInstruction.h
@@ -336,7 +336,7 @@
     /// of them are matched by the operand, the second value should be -1.
     std::vector<std::pair<unsigned, int> > ResultInstOperandIndex;
 
-    CodeGenInstAlias(Record *R, CodeGenTarget &T);
+    CodeGenInstAlias(Record *R, unsigned Variant, CodeGenTarget &T);
 
     bool tryAliasOpMatch(DagInit *Result, unsigned AliasOpNo,
                          Record *InstOpRec, bool hasSubOps, ArrayRef<SMLoc> Loc,