CL_XValue,
CL_Function, // Functions cannot be lvalues in C.
CL_Void, // Void cannot be an lvalue in C.
+ CL_AddressableVoid, // Void expression whose address can be taken in C.
CL_DuplicateVectorComponents, // A vector shuffle with dupes.
CL_MemberFunction, // An expression referring to a member function
CL_SubObjCPropertySetting,
if (TR->isFunctionType() || TR == Ctx.OverloadTy)
kind = Cl::CL_Function;
// No void either, but qualified void is OK because it is "other than void".
- else if (TR->isVoidType() && !Ctx.getCanonicalType(TR).hasQualifiers())
- kind = Cl::CL_Void;
+ // Void "lvalues" are classified as addressable void values, which are void
+ // expressions whose address can be taken.
+ else if (TR->isVoidType() && !TR.hasQualifiers())
+ kind = (kind == Cl::CL_LValue ? Cl::CL_AddressableVoid : Cl::CL_Void);
}
// Enable this assertion for testing.
case Cl::CL_XValue: assert(getValueKind() == VK_XValue); break;
case Cl::CL_Function:
case Cl::CL_Void:
+ case Cl::CL_AddressableVoid:
case Cl::CL_DuplicateVectorComponents:
case Cl::CL_MemberFunction:
case Cl::CL_SubObjCPropertySetting:
case Cl::CL_LValue: return LV_Valid;
case Cl::CL_XValue: return LV_InvalidExpression;
case Cl::CL_Function: return LV_NotObjectType;
- case Cl::CL_Void: return LV_IncompleteVoidType;
+ case Cl::CL_Void: return LV_InvalidExpression;
+ case Cl::CL_AddressableVoid: return LV_IncompleteVoidType;
case Cl::CL_DuplicateVectorComponents: return LV_DuplicateVectorComponents;
case Cl::CL_MemberFunction: return LV_MemberFunction;
case Cl::CL_SubObjCPropertySetting: return LV_SubObjCPropertySetting;
case Cl::CL_LValue: break;
case Cl::CL_XValue: return MLV_InvalidExpression;
case Cl::CL_Function: return MLV_NotObjectType;
- case Cl::CL_Void: return MLV_IncompleteVoidType;
+ case Cl::CL_Void: return MLV_InvalidExpression;
+ case Cl::CL_AddressableVoid: return MLV_IncompleteVoidType;
case Cl::CL_DuplicateVectorComponents: return MLV_DuplicateVectorComponents;
case Cl::CL_MemberFunction: return MLV_MemberFunction;
case Cl::CL_SubObjCPropertySetting: return MLV_SubObjCPropertySetting;
void* t3 = &(*(void*)0);
}
+
+void f8() {
+ void *dummy0 = &f8(); // expected-error {{address expression must be an lvalue or a function designator}}
+
+ extern void v;
+ void *dummy1 = &(1 ? v : f8()); // expected-error {{address expression must be an lvalue or a function designator}}
+
+ void *dummy2 = &(f8(), v); // expected-error {{address expression must be an lvalue or a function designator}}
+
+ void *dummy3 = &({ ; }); // expected-error {{address expression must be an lvalue or a function designator}}
+}