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      1 // RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only
      2 // RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -fsyntax-only -cl-std=CL2.0 -DCL20
      3 // RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -fsyntax-only -cl-std=CL2.0 -DCL20 -DEXT -Wpedantic-core-features
      4 
      5 #ifdef EXT
      6 #pragma OPENCL EXTENSION cl_khr_int64_base_atomics:enable
      7 #pragma OPENCL EXTENSION cl_khr_int64_extended_atomics:enable
      8 #pragma OPENCL EXTENSION cl_khr_fp64:enable
      9 #if __OPENCL_C_VERSION__ >= CL_VERSION_1_2
     10 // expected-warning@-2{{OpenCL extension 'cl_khr_fp64' is core feature or supported optional core feature - ignoring}}
     11 #endif
     12 #endif
     13 
     14 void atomic_types_test() {
     15 // OpenCL v2.0 s6.13.11.6 defines supported atomic types.
     16   atomic_int i;
     17   atomic_uint ui;
     18   atomic_long l;
     19   atomic_ulong ul;
     20   atomic_float f;
     21   atomic_double d;
     22   atomic_flag fl;
     23   atomic_intptr_t ip;
     24   atomic_uintptr_t uip;
     25   atomic_size_t s;
     26   atomic_ptrdiff_t pd;
     27 // OpenCL v2.0 s6.13.11.8, _Atomic type specifier and _Atomic type qualifier
     28 // are not supported by OpenCL.
     29   _Atomic int i; // expected-error {{use of undeclared identifier '_Atomic'}}
     30 }
     31 #ifndef CL20
     32 // expected-error@-16 {{use of undeclared identifier 'atomic_int'}}
     33 // expected-error@-16 {{use of undeclared identifier 'atomic_uint'}}
     34 // expected-error@-16 {{use of undeclared identifier 'atomic_long'}}
     35 // expected-error@-16 {{use of undeclared identifier 'atomic_ulong'}}
     36 // expected-error@-16 {{use of undeclared identifier 'atomic_float'}}
     37 // expected-error@-16 {{use of undeclared identifier 'atomic_double'}}
     38 // expected-error@-16 {{use of undeclared identifier 'atomic_flag'}}
     39 // expected-error@-16 {{use of undeclared identifier 'atomic_intptr_t'}}
     40 // expected-error@-16 {{use of undeclared identifier 'atomic_uintptr_t'}}
     41 // expected-error@-16 {{use of undeclared identifier 'atomic_size_t'}}
     42 // expected-error@-16 {{use of undeclared identifier 'atomic_ptrdiff_t'}}
     43 #elif !EXT
     44 // expected-error@-26 {{use of type 'atomic_long' (aka '_Atomic(long)') requires cl_khr_int64_base_atomics extension to be enabled}}
     45 // expected-error@-27 {{use of type 'atomic_long' (aka '_Atomic(long)') requires cl_khr_int64_extended_atomics extension to be enabled}}
     46 // expected-error@-27 {{use of type 'atomic_ulong' (aka '_Atomic(unsigned long)') requires cl_khr_int64_base_atomics extension to be enabled}}
     47 // expected-error@-28 {{use of type 'atomic_ulong' (aka '_Atomic(unsigned long)') requires cl_khr_int64_extended_atomics extension to be enabled}}
     48 // expected-error@-27 {{use of type 'atomic_double' (aka '_Atomic(double)') requires cl_khr_int64_base_atomics extension to be enabled}}
     49 // expected-error@-28 {{use of type 'atomic_double' (aka '_Atomic(double)') requires cl_khr_int64_extended_atomics extension to be enabled}}
     50 // expected-error-re@-27 {{use of type 'atomic_intptr_t' (aka '_Atomic({{.+}})') requires cl_khr_int64_base_atomics extension to be enabled}}
     51 // expected-error-re@-28 {{use of type 'atomic_intptr_t' (aka '_Atomic({{.+}})') requires cl_khr_int64_extended_atomics extension to be enabled}}
     52 // expected-error-re@-28 {{use of type 'atomic_uintptr_t' (aka '_Atomic({{.+}})') requires cl_khr_int64_base_atomics extension to be enabled}}
     53 // expected-error-re@-29 {{use of type 'atomic_uintptr_t' (aka '_Atomic({{.+}})') requires cl_khr_int64_extended_atomics extension to be enabled}}
     54 // expected-error-re@-29 {{use of type 'atomic_size_t' (aka '_Atomic({{.+}})') requires cl_khr_int64_base_atomics extension to be enabled}}
     55 // expected-error-re@-30 {{use of type 'atomic_size_t' (aka '_Atomic({{.+}})') requires cl_khr_int64_extended_atomics extension to be enabled}}
     56 // expected-error-re@-30 {{use of type 'atomic_ptrdiff_t' (aka '_Atomic({{.+}})') requires cl_khr_int64_base_atomics extension to be enabled}}
     57 // expected-error-re@-31 {{use of type 'atomic_ptrdiff_t' (aka '_Atomic({{.+}})') requires cl_khr_int64_extended_atomics extension to be enabled}}
     58 #endif
     59 
     60 #ifdef CL20
     61 void foo(atomic_int * ptr) {}
     62 void atomic_ops_test() {
     63   atomic_int i;
     64   foo(&i);
     65 // OpenCL v2.0 s6.13.11.8, arithemtic operations are not permitted on atomic types.
     66   i++; // expected-error {{invalid argument type 'atomic_int' (aka '_Atomic(int)') to unary expression}}
     67   i = 1; // expected-error {{atomic variable can only be assigned to a compile time constant in the declaration statement in the program scope}}
     68   i += 1; // expected-error {{invalid operands to binary expression ('atomic_int' (aka '_Atomic(int)') and 'int')}}
     69   i = i + i; // expected-error {{invalid operands to binary expression ('atomic_int' (aka '_Atomic(int)') and 'atomic_int')}}
     70 }
     71 #endif
     72