assert(!SrcType->isPlaceholderType());
+ // OpenCL v1 s6.5: Casting a pointer to address space A to a pointer to
+ // address space B is illegal.
+ if (Self.getLangOpts().OpenCL && DestType->isPointerType() &&
+ SrcType->isPointerType()) {
+ if (DestType->getPointeeType().getAddressSpace() !=
+ SrcType->getPointeeType().getAddressSpace()) {
+ Self.Diag(OpRange.getBegin(),
+ diag::err_typecheck_incompatible_address_space)
+ << SrcType << DestType << Sema::AA_Casting
+ << SrcExpr.get()->getSourceRange();
+ SrcExpr = ExprError();
+ return;
+ }
+ }
+
if (Self.RequireCompleteType(OpRange.getBegin(), DestType,
diag::err_typecheck_cast_to_incomplete)) {
SrcExpr = ExprError();
ip = &li; // expected-error {{assigning '__local int *' to 'int *' changes address space of pointer}}
ip = &ci; // expected-error {{assigning '__constant int *' to 'int *' changes address space of pointer}}
}
+
+void explicit_cast(global int* g, local int* l, constant int* c, private int* p)
+{
+ g = (global int*) l; // expected-error {{casting '__local int *' to type '__global int *' changes address space of pointer}}
+ g = (global int*) c; // expected-error {{casting '__constant int *' to type '__global int *' changes address space of pointer}}
+ g = (global int*) p; // expected-error {{casting 'int *' to type '__global int *' changes address space of pointer}}
+
+ l = (local int*) g; // expected-error {{casting '__global int *' to type '__local int *' changes address space of pointer}}
+ l = (local int*) c; // expected-error {{casting '__constant int *' to type '__local int *' changes address space of pointer}}
+ l = (local int*) p; // expected-error {{casting 'int *' to type '__local int *' changes address space of pointer}}
+
+ c = (constant int*) g; // expected-error {{casting '__global int *' to type '__constant int *' changes address space of pointer}}
+ c = (constant int*) l; // expected-error {{casting '__local int *' to type '__constant int *' changes address space of pointer}}
+ c = (constant int*) p; // expected-error {{casting 'int *' to type '__constant int *' changes address space of pointer}}
+
+ p = (private int*) g; // expected-error {{casting '__global int *' to type 'int *' changes address space of pointer}}
+ p = (private int*) l; // expected-error {{casting '__local int *' to type 'int *' changes address space of pointer}}
+ p = (private int*) c; // expected-error {{casting '__constant int *' to type 'int *' changes address space of pointer}}
+}
+
+void ok_explicit_casts(global int *g, global int* g2, local int* l, local int* l2, private int* p, private int* p2)
+{
+ g = (global int*) g2;
+ l = (local int*) l2;
+ p = (private int*) p2;
+}