llvm-project/clang/test/SemaOpenCLCXX/addrspace_cast.clcpp

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// RUN: %clang_cc1 %s -triple spir-unknown-unknown -pedantic -verify -fsyntax-only
void foo(global int *gl, const global int *gl_const, global int &gl_ref) {
//FIXME: Diagnostics can be improved to be more specific in some cases.
float *gen_fl = addrspace_cast<float *>(gl); //expected-error{{addrspace_cast from '__global int *__private' to '__generic float *' is not allowed}}
int i = addrspace_cast<int>(gl); //expected-error{{addrspace_cast from '__global int *__private' to 'int' is not allowed}}
int *gen = addrspace_cast<int *>(*gl); //expected-error{{addrspace_cast from '__global int' to '__generic int *' is not allowed}}
local int *loc = addrspace_cast<local int *>(gl); //expected-error{{addrspace_cast from '__global int *__private' to '__local int *' converts between mismatching address spaces}}
int *gen2 = addrspace_cast<int *>(gl_const); //expected-error{{addrspace_cast from 'const __global int *__private' to '__generic int *' is not allowed}}
//FIXME: Do we expect this behavior? This will get cast successfully as reinterpret_cast.
int &gen_ref = addrspace_cast<int &>(gl_ref); //expected-error{{addrspace_cast from '__global int' to '__generic int &' is not allowed}}
__private int *priv = addrspace_cast<__private int *>(&i);
}
template <class T>
void test_temp(__global int *par) {
T *var1 = addrspace_cast<T *>(par); //expected-error{{addrspace_cast from '__global int *__private' to '__private int *' converts between mismatching address spaces}}
__private T *var2 = addrspace_cast<__private T *>(par); //expected-error{{addrspace_cast from '__global int *__private' to '__private int *' converts between mismatching address spaces}}
T var3 = addrspace_cast<T>(par); //expected-error{{addrspace_cast from '__global int *__private' to 'int' is not allowed}}
}
void bar() {
__global int* var;
test_temp<__private int>(var); //expected-note{{in instantiation of function template specialization 'test_temp<__private int>' requested here}}
}
// We don't give any errors on non-instantiated template as types are not concrete yet.
template <class T>
void test_temp1(__global int *par) {
T *var1 = addrspace_cast<T *>(par);
__private T *var2 = addrspace_cast<__private T *>(par);
T var3 = addrspace_cast<T>(par);
}