MIRParser: generic register operands with types

This should fix the fallout of r283848.

llvm-svn: 283850
diff --git a/llvm/lib/CodeGen/MIRParser/MIParser.cpp b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
index 98bc8a1..0f58e61 100644
--- a/llvm/lib/CodeGen/MIRParser/MIParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
@@ -990,7 +990,7 @@
     // Virtual registers may have a size with GlobalISel.
     if (!TargetRegisterInfo::isVirtualRegister(Reg))
       return error("unexpected size on physical register");
-    if (MRI.getRegClassOrRegBank(Reg).is<const TargetRegisterClass *>())
+    if (RegInfo->Kind != VRegInfo::GENERIC)
       return error("unexpected size on non-generic virtual register");
 
     LLT Ty;