[OpenCL] Improve extension-version.cl and to_addr_builtin.cl tests

Add cl_khr_depth_images to extension-version.cl.

Extend to_addr_builtin.cl to additionally test the built-in methods
to_private and to_local, and test assignment with to_global to
incorrect types.

Patch by Alistair Davies.

Differential Revision: https://reviews.llvm.org/D52020

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@343207 91177308-0d34-0410-b5e6-96231b3b80d8

test/SemaOpenCL/extension-version.cl

@@ -282,6 +282,18 @@
 #endif
 #pragma OPENCL EXTENSION cl_amd_media_ops2: enable
 
+#if (__OPENCL_C_VERSION__ >= 120)
+#ifndef cl_khr_depth_images
+#error "Missing cl_khr_depth_images define"
+#endif
+#else
+#ifdef cl_khr_depth_images
+#error "Incorrect cl_khr_depth_images define"
+#endif
+// expected-warning@+2{{unsupported OpenCL extension 'cl_khr_depth_images' - ignoring}}
+#endif
+#pragma OPENCL EXTENSION cl_khr_depth_images: enable
+
 #if (__OPENCL_C_VERSION__ >= 120)
 #ifndef cl_intel_subgroups
 #error "Missing cl_intel_subgroups define"

test/SemaOpenCL/to_addr_builtin.cl

@@ -5,6 +5,8 @@ void test(void) {
   global int *glob;
   local int *loc;
   constant int *con;
+  private int *priv;
+  global float *glob_wrong_ty;
   typedef constant int const_int_ty;
   const_int_ty *con_typedef;
 
@@ -46,6 +48,72 @@ void test(void) {
   // expected-warning@-5{{passing non-generic address space pointer to to_global may cause dynamic conversion affecting performance}}
 #endif
 
+  loc = to_private(glob);
+#if __OPENCL_C_VERSION__ < CL_VERSION_2_0
+  // expected-error@-2{{implicit declaration of function 'to_private' is invalid in OpenCL}}
+  // expected-warning@-3{{incompatible integer to pointer conversion assigning to '__local int *' from 'int'}}
+#else
+  // expected-error@-5{{assigning 'int *' to '__local int *' changes address space of pointer}}
+  // expected-warning@-6{{passing non-generic address space pointer to to_private may cause dynamic conversion affecting performance}}
+#endif
+
+  loc = to_local(glob);
+#if __OPENCL_C_VERSION__ < CL_VERSION_2_0
+  // expected-error@-2{{implicit declaration of function 'to_local' is invalid in OpenCL}}
+  // expected-warning@-3{{incompatible integer to pointer conversion assigning to '__local int *' from 'int'}}
+  // expected-note@-4{{did you mean 'to_global'}}
+  // expected-note@13{{'to_global' declared here}}
+#else
+  // expected-warning@-7{{passing non-generic address space pointer to to_local may cause dynamic conversion affecting performance}}
+#endif
+
+  priv = to_global(glob);
+#if __OPENCL_C_VERSION__ < CL_VERSION_2_0
+  // expected-warning@-2{{incompatible integer to pointer conversion assigning to 'int *' from 'int'}}
+#else
+  // expected-error@-4{{assigning '__global int *' to 'int *' changes address space of pointer}}
+  // expected-warning@-5{{passing non-generic address space pointer to to_global may cause dynamic conversion affecting performance}}
+#endif
+
+  priv = to_private(glob);
+#if __OPENCL_C_VERSION__ < CL_VERSION_2_0
+  // expected-warning@-2{{incompatible integer to pointer conversion assigning to 'int *' from 'int'}}
+#else
+  // expected-warning@-4{{passing non-generic address space pointer to to_private may cause dynamic conversion affecting performance}}
+#endif
+
+
+  priv = to_local(glob);
+#if __OPENCL_C_VERSION__ < CL_VERSION_2_0
+  // expected-warning@-2{{incompatible integer to pointer conversion assigning to 'int *' from 'int'}}
+#else
+  // expected-error@-4{{assigning '__local int *' to 'int *' changes address space of pointer}}
+  // expected-warning@-5{{passing non-generic address space pointer to to_local may cause dynamic conversion affecting performance}}
+#endif
+
+  glob = to_global(glob);
+#if __OPENCL_C_VERSION__ < CL_VERSION_2_0
+  // expected-warning@-2{{incompatible integer to pointer conversion assigning to '__global int *' from 'int'}}
+#else
+  // expected-warning@-4{{passing non-generic address space pointer to to_global may cause dynamic conversion affecting performance}}
+#endif
+
+  glob = to_private(glob);
+#if __OPENCL_C_VERSION__ < CL_VERSION_2_0
+  // expected-warning@-2{{incompatible integer to pointer conversion assigning to '__global int *' from 'int'}}
+#else
+  // expected-error@-4{{assigning 'int *' to '__global int *' changes address space of pointer}}
+  // expected-warning@-5{{passing non-generic address space pointer to to_private may cause dynamic conversion affecting performance}}
+#endif
+
+  glob = to_local(glob);
+#if __OPENCL_C_VERSION__ < CL_VERSION_2_0
+  // expected-warning@-2{{incompatible integer to pointer conversion assigning to '__global int *' from 'int'}}
+#else
+  // expected-error@-4{{assigning '__local int *' to '__global int *' changes address space of pointer}}
+  // expected-warning@-5{{passing non-generic address space pointer to to_local may cause dynamic conversion affecting performance}}
+#endif
+
   global char *glob_c = to_global(loc);
 #if __OPENCL_C_VERSION__ < CL_VERSION_2_0
   // expected-warning@-2{{incompatible integer to pointer conversion initializing '__global char *' with an expression of type 'int'}}
@@ -54,4 +122,12 @@ void test(void) {
   // expected-warning@-5{{passing non-generic address space pointer to to_global may cause dynamic conversion affecting performance}}
 #endif
 
+  glob_wrong_ty = to_global(glob);
+#if __OPENCL_C_VERSION__ < CL_VERSION_2_0
+  // expected-warning@-2{{incompatible integer to pointer conversion assigning to '__global float *' from 'int'}}
+#else
+  // expected-warning@-4{{incompatible pointer types assigning to '__global float *' from '__global int *'}}
+  // expected-warning@-5{{passing non-generic address space pointer to to_global may cause dynamic conversion affecting performance}}
+#endif
+
 }