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// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only
// RUN: %clang_cc1 %s -cl-std=CL2.0 -verify -pedantic -fsyntax-only
// RUN: %clang_cc1 %s -cl-std=clc++ -verify -pedantic -fsyntax-only
__constant int ci = 1;
__kernel void foo(__global int *gip) {
__local int li;
__local int lj = 2; // expected-error {{'__local' variable cannot have an initializer}}
int *ip;
#if ((!__OPENCL_CPP_VERSION__) && (__OPENCL_C_VERSION__ < 200))
ip = gip; // expected-error {{assigning '__global int *' to 'int *' changes address space of pointer}}
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}}
#else
ip = gip;
ip = &li;
ip = &ci;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{assigning '__constant int *' to '__generic int *' changes address space of pointer}}
#else
// expected-error@-4 {{assigning to '__generic int *' from incompatible type '__constant int *'}}
#endif
#endif
}
void explicit_cast(__global int *g, __local int *l, __constant int *c, __private int *p, const __constant int *cc) {
g = (__global int *)l;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting '__local int *' to type '__global int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from '__local int *' to '__global int *' converts between mismatching address spaces}}
#endif
g = (__global int *)c;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting '__constant int *' to type '__global int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from '__constant int *' to '__global int *' converts between mismatching address spaces}}
#endif
g = (__global int *)cc;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting 'const __constant int *' to type '__global int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from 'const __constant int *' to '__global int *' converts between mismatching address spaces}}
#endif
g = (__global int *)p;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting 'int *' to type '__global int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from 'int *' to '__global int *' converts between mismatching address spaces}}
#endif
l = (__local int *)g;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting '__global int *' to type '__local int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from '__global int *' to '__local int *' converts between mismatching address spaces}}
#endif
l = (__local int *)c;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting '__constant int *' to type '__local int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from '__constant int *' to '__local int *' converts between mismatching address spaces}}
#endif
l = (__local int *)cc;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting 'const __constant int *' to type '__local int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from 'const __constant int *' to '__local int *' converts between mismatching address spaces}}
#endif
l = (__local int *)p;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting 'int *' to type '__local int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from 'int *' to '__local int *' converts between mismatching address spaces}}
#endif
c = (__constant int *)g;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting '__global int *' to type '__constant int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from '__global int *' to '__constant int *' converts between mismatching address spaces}}
#endif
c = (__constant int *)l;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting '__local int *' to type '__constant int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from '__local int *' to '__constant int *' converts between mismatching address spaces}}
#endif
c = (__constant int *)p;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting 'int *' to type '__constant int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from 'int *' to '__constant int *' converts between mismatching address spaces}}
#endif
p = (__private int *)g;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting '__global int *' to type 'int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from '__global int *' to 'int *' converts between mismatching address spaces}}
#endif
p = (__private int *)l;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting '__local int *' to type 'int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from '__local int *' to 'int *' converts between mismatching address spaces}}
#endif
p = (__private int *)c;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting '__constant int *' to type 'int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from '__constant int *' to 'int *' converts between mismatching address spaces}}
#endif
p = (__private int *)cc;
#if !__OPENCL_CPP_VERSION__
// expected-error@-2 {{casting 'const __constant int *' to type 'int *' changes address space of pointer}}
#else
// expected-error@-4 {{C-style cast from 'const __constant int *' to 'int *' converts between mismatching address spaces}}
#endif
}
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;
}
#if !__OPENCL_CPP_VERSION__
void nested(__global int *g, __global int * __private *gg, __local int *l, __local int * __private *ll, __global float * __private *gg_f) {
g = gg; // expected-error {{assigning '__global int **' to '__global int *' changes address space of pointer}}
g = l; // expected-error {{assigning '__local int *' to '__global int *' changes address space of pointer}}
g = ll; // expected-error {{assigning '__local int **' to '__global int *' changes address space of pointer}}
g = gg_f; // expected-error {{assigning '__global float **' to '__global int *' changes address space of pointer}}
g = (__global int *)gg_f; // expected-error {{casting '__global float **' to type '__global int *' changes address space of pointer}}
gg = g; // expected-error {{assigning '__global int *' to '__global int **' changes address space of pointer}}
gg = l; // expected-error {{assigning '__local int *' to '__global int **' changes address space of pointer}}
gg = ll; // expected-error {{assigning '__local int **' to '__global int **' changes address space of nested pointer}}
gg = gg_f; // expected-warning {{incompatible pointer types assigning to '__global int **' from '__global float **'}}
gg = (__global int * __private *)gg_f;
l = g; // expected-error {{assigning '__global int *' to '__local int *' changes address space of pointer}}
l = gg; // expected-error {{assigning '__global int **' to '__local int *' changes address space of pointer}}
l = ll; // expected-error {{assigning '__local int **' to '__local int *' changes address space of pointer}}
l = gg_f; // expected-error {{assigning '__global float **' to '__local int *' changes address space of pointer}}
l = (__local int *)gg_f; // expected-error {{casting '__global float **' to type '__local int *' changes address space of pointer}}
ll = g; // expected-error {{assigning '__global int *' to '__local int **' changes address space of pointer}}
ll = gg; // expected-error {{assigning '__global int **' to '__local int **' changes address space of nested pointer}}
ll = l; // expected-error {{assigning '__local int *' to '__local int **' changes address space of pointer}}
ll = gg_f; // expected-error {{assigning '__global float **' to '__local int **' changes address space of nested pointer}}
ll = (__local int * __private *)gg_f; // expected-warning {{casting '__global float **' to type '__local int **' discards qualifiers in nested pointer types}}
gg_f = g; // expected-error {{assigning '__global int *' to '__global float **' changes address space of pointer}}
gg_f = gg; // expected-warning {{incompatible pointer types assigning to '__global float **' from '__global int **'}}
gg_f = l; // expected-error {{assigning '__local int *' to '__global float **' changes address space of pointer}}
gg_f = ll; // expected-error {{assigning '__local int **' to '__global float **' changes address space of nested pointer}}
gg_f = (__global float * __private *)gg;
// FIXME: This doesn't seem right. This should be an error, not a warning.
__local int * __global * __private * lll;
lll = gg; // expected-warning {{incompatible pointer types assigning to '__local int *__global **' from '__global int **'}}
typedef __local int * l_t;
typedef __global int * g_t;
__private l_t * pl;
__private g_t * pg;
gg = pl; // expected-error {{assigning 'l_t *' (aka '__local int **') to '__global int **' changes address space of nested pointer}}
pl = gg; // expected-error {{assigning '__global int **' to 'l_t *' (aka '__local int **') changes address space of nested pointer}}
gg = pg;
pg = gg;
pg = pl; // expected-error {{assigning 'l_t *' (aka '__local int **') to 'g_t *' (aka '__global int **') changes address space of nested pointer}}
pl = pg; // expected-error {{assigning 'g_t *' (aka '__global int **') to 'l_t *' (aka '__local int **') changes address space of nested pointer}}
ll = (__local int * __private *)(void *)gg;
void *vp = ll;
}
#else
void nested(__global int *g, __global int * __private *gg, __local int *l, __local int * __private *ll, __global float * __private *gg_f) {
g = gg; // expected-error {{assigning to '__global int *' from incompatible type '__global int **'}}
g = l; // expected-error {{assigning to '__global int *' from incompatible type '__local int *'}}
g = ll; // expected-error {{assigning to '__global int *' from incompatible type '__local int **'}}
g = gg_f; // expected-error {{assigning to '__global int *' from incompatible type '__global float **'}}
g = (__global int *)gg_f; // expected-error {{C-style cast from '__global float **' to '__global int *' converts between mismatching address spaces}}
gg = g; // expected-error {{assigning to '__global int **' from incompatible type '__global int *'; take the address with &}}
gg = l; // expected-error {{assigning to '__global int **' from incompatible type '__local int *'}}
gg = ll; // expected-error {{assigning to '__global int **' from incompatible type '__local int **'}}
gg = gg_f; // expected-error {{assigning to '__global int **' from incompatible type '__global float **'}}
gg = (__global int * __private *)gg_f;
l = g; // expected-error {{assigning to '__local int *' from incompatible type '__global int *'}}
l = gg; // expected-error {{assigning to '__local int *' from incompatible type '__global int **'}}
l = ll; // expected-error {{assigning to '__local int *' from incompatible type '__local int **'}}
l = gg_f; // expected-error {{assigning to '__local int *' from incompatible type '__global float **'}}
l = (__local int *)gg_f; // expected-error {{C-style cast from '__global float **' to '__local int *' converts between mismatching address spaces}}
ll = g; // expected-error {{assigning to '__local int **' from incompatible type '__global int *'}}
ll = gg; // expected-error {{assigning to '__local int **' from incompatible type '__global int **'}}
ll = l; // expected-error {{assigning to '__local int **' from incompatible type '__local int *'; take the address with &}}
ll = gg_f; // expected-error {{assigning to '__local int **' from incompatible type '__global float **'}}
// FIXME: The below becomes a reinterpret_cast, and therefore does not emit an error
// even though the address space mismatches in the nested pointers.
ll = (__local int * __private *)gg;
gg_f = g; // expected-error {{assigning to '__global float **' from incompatible type '__global int *'}}
gg_f = gg; // expected-error {{assigning to '__global float **' from incompatible type '__global int **'}}
gg_f = l; // expected-error {{assigning to '__global float **' from incompatible type '__local int *'}}
gg_f = ll; // expected-error {{assigning to '__global float **' from incompatible type '__local int **'}}
gg_f = (__global float * __private *)gg;
typedef __local int * l_t;
typedef __global int * g_t;
__private l_t * pl;
__private g_t * pg;
gg = pl; // expected-error {{assigning to '__global int **' from incompatible type 'l_t *' (aka '__local int **')}}
pl = gg; // expected-error {{assigning to 'l_t *' (aka '__local int **') from incompatible type '__global int **'}}
gg = pg;
pg = gg;
pg = pl; // expected-error {{assigning to 'g_t *' (aka '__global int **') from incompatible type 'l_t *' (aka '__local int **')}}
pl = pg; // expected-error {{assigning to 'l_t *' (aka '__local int **') from incompatible type 'g_t *' (aka '__global int **')}}
ll = (__local int * __private *)(void *)gg;
void *vp = ll;
}
#endif
__private int func_return_priv(void); //expected-error {{return value cannot be qualified with address space}}
__global int func_return_global(void); //expected-error {{return value cannot be qualified with address space}}
__local int func_return_local(void); //expected-error {{return value cannot be qualified with address space}}
__constant int func_return_constant(void); //expected-error {{return value cannot be qualified with address space}}
#if __OPENCL_C_VERSION__ >= 200
__generic int func_return_generic(void); //expected-error {{return value cannot be qualified with address space}}
#endif
void func_multiple_addr(void) {
typedef __private int private_int_t;
__private __local int var1; // expected-error {{multiple address spaces specified for type}}
__private __local int *var2; // expected-error {{multiple address spaces specified for type}}
__local private_int_t var3; // expected-error {{multiple address spaces specified for type}}
__local private_int_t *var4; // expected-error {{multiple address spaces specified for type}}
__private private_int_t var5; // expected-warning {{multiple identical address spaces specified for type}}
__private private_int_t *var6;// expected-warning {{multiple identical address spaces specified for type}}
}
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