This is for the case when no processor is passed to the backend. This
prevents the
'' is not a recognized processor for this target (ignoring processor)
warning from being generated by clang.
llvm-svn: 174651
class Proc<string Name, ProcessorItineraries itin, list<SubtargetFeature> Features>
: Processor<Name, itin, Features>;
+def : Proc<"", R600_EG_Itin, [FeatureR600ALUInst]>;
def : Proc<"r600", R600_EG_Itin, [FeatureR600ALUInst]>;
def : Proc<"rv710", R600_EG_Itin, []>;
def : Proc<"rv730", R600_EG_Itin, []>;