if (CC == CallingConv::Fast || CC == CallingConv::GHC ||
CC == CallingConv::HiPE)
return 0;
- if (CS && !CS->paramHasAttr(1, Attribute::StructRet))
- return 0;
- if (CS && CS->paramHasAttr(1, Attribute::InReg))
- return 0;
+
+ if (CS)
+ if (CS->arg_empty() || !CS->paramHasAttr(1, Attribute::StructRet) ||
+ CS->paramHasAttr(1, Attribute::InReg))
+ return 0;
+
return 4;
}