llvm-project/clang/test/SemaOpenCL/fdeclare-opencl-builtins.cl

// RUN: %clang_cc1 %s -triple spir -verify -pedantic -Wconversion -Werror -fsyntax-only -cl-std=CL -fdeclare-opencl-builtins -DNO_HEADER
// RUN: %clang_cc1 %s -triple spir -verify -pedantic -Wconversion -Werror -fsyntax-only -cl-std=CL -fdeclare-opencl-builtins -finclude-default-header
// RUN: %clang_cc1 %s -triple spir -verify -pedantic -Wconversion -Werror -fsyntax-only -cl-std=CL1.2 -fdeclare-opencl-builtins -DNO_HEADER
// RUN: %clang_cc1 %s -triple spir -verify -pedantic -Wconversion -Werror -fsyntax-only -cl-std=CL1.2 -fdeclare-opencl-builtins -finclude-default-header
// RUN: %clang_cc1 %s -triple spir -verify -pedantic -Wconversion -Werror -fsyntax-only -cl-std=CL2.0 -fdeclare-opencl-builtins -DNO_HEADER
// RUN: %clang_cc1 %s -triple spir -verify -pedantic -Wconversion -Werror -fsyntax-only -cl-std=CL2.0 -fdeclare-opencl-builtins -finclude-default-header
// RUN: %clang_cc1 %s -triple spir -verify -pedantic -Wconversion -Werror -fsyntax-only -cl-std=CLC++ -fdeclare-opencl-builtins -DNO_HEADER
// RUN: %clang_cc1 %s -triple spir -verify -pedantic -Wconversion -Werror -fsyntax-only -cl-std=CLC++ -fdeclare-opencl-builtins -finclude-default-header

// Test the -fdeclare-opencl-builtins option.

#pragma OPENCL EXTENSION cl_khr_fp16 : enable
#if __OPENCL_C_VERSION__ < CL_VERSION_1_2
#pragma OPENCL EXTENSION cl_khr_fp64 : enable
#endif

// Provide typedefs when invoking clang without -finclude-default-header.
#ifdef NO_HEADER
typedef unsigned char uchar;
typedef unsigned int uint;
typedef unsigned long ulong;
typedef unsigned short ushort;
typedef __SIZE_TYPE__ size_t;
typedef char char2 __attribute__((ext_vector_type(2)));
typedef char char4 __attribute__((ext_vector_type(4)));
typedef uchar uchar4 __attribute__((ext_vector_type(4)));
typedef float float4 __attribute__((ext_vector_type(4)));
typedef half half4 __attribute__((ext_vector_type(4)));
typedef int int2 __attribute__((ext_vector_type(2)));
typedef int int4 __attribute__((ext_vector_type(4)));
typedef uint uint4 __attribute__((ext_vector_type(4)));
typedef long long2 __attribute__((ext_vector_type(2)));
#endif

kernel void test_pointers(volatile global void *global_p, global const int4 *a) {
  int i;
  unsigned int ui;

  prefetch(a, 2);

  atom_add((volatile __global int *)global_p, i);
#if !defined(__OPENCL_CPP_VERSION__) && __OPENCL_C_VERSION__ < CL_VERSION_1_1
// expected-error@-2{{no matching function for call to 'atom_add'}}

// There are two potential definitions of the function "atom_add", both are
// currently disabled because the associated extension is disabled.
// expected-note@-6{{candidate function not viable: cannot pass pointer to address space '__global' as a pointer to address space '__local' in 1st argument}}
// expected-note@-7{{candidate function not viable: no known conversion}}
// expected-note@-8{{candidate function not viable: no known conversion}}
// expected-note@-9{{candidate function not viable: no known conversion}}
// expected-note@-10{{candidate unavailable as it requires OpenCL extension 'cl_khr_global_int32_base_atomics' to be enabled}}
// expected-note@-11{{candidate unavailable as it requires OpenCL extension 'cl_khr_global_int32_base_atomics' to be enabled}}
// expected-note@-12{{candidate unavailable as it requires OpenCL extension 'cl_khr_int64_base_atomics' to be enabled}}
// expected-note@-13{{candidate unavailable as it requires OpenCL extension 'cl_khr_int64_base_atomics' to be enabled}}
#endif

#if __OPENCL_C_VERSION__ < CL_VERSION_1_1
#pragma OPENCL EXTENSION cl_khr_global_int32_base_atomics : enable
#endif

  atom_add((volatile __global int *)global_p, i);
  atom_cmpxchg((volatile __global unsigned int *)global_p, ui, ui);
}

kernel void basic_conversion() {
  double d;
  float f;
  char2 c2;
  long2 l2;
  float4 f4;
  int4 i4;

  f = convert_float(d);
  d = convert_double_rtp(f);
  l2 = convert_long2_rtz(c2);
  i4 = convert_int4_sat(f4);
}

kernel void basic_conversion_neg() {
  int i;
  float f;

  f = convert_float_sat(i);
#if !defined(__OPENCL_CPP_VERSION__)
  // expected-error@-2{{implicit declaration of function 'convert_float_sat' is invalid in OpenCL}}
  // expected-error@-3{{implicit conversion from 'int' to 'float' may lose precision}}
#else
  // expected-error@-5{{use of undeclared identifier 'convert_float_sat'; did you mean 'convert_float'?}}
  // expected-note@-6{{'convert_float' declared here}}
#endif
}

char4 test_int(char c, char4 c4) {
  char m = max(c, c);
  char4 m4 = max(c4, c4);
  uchar4 abs1 = abs(c4);
  uchar4 abs2 = abs(abs1);
  return max(c4, c);
}

kernel void basic_vector_misc(float4 a) {
  float4 res;
  uint4 mask = (uint4)(1, 2, 3, 4);

  res = shuffle(a, mask);
}

kernel void basic_image_readonly(read_only image2d_t image_read_only_image2d) {
  int2 i2;
  sampler_t sampler;
  half4 res;
  float4 resf;

  resf = read_imagef(image_read_only_image2d, i2);
  res = read_imageh(image_read_only_image2d, i2);
  res = read_imageh(image_read_only_image2d, sampler, i2);

  int imgWidth = get_image_width(image_read_only_image2d);
}

#if __OPENCL_C_VERSION__ >= CL_VERSION_2_0
kernel void basic_image_readwrite(read_write image3d_t image_read_write_image3d) {
  half4 h4;
  int4 i4;

  write_imageh(image_read_write_image3d, i4, h4);

  int imgDepth = get_image_depth(image_read_write_image3d);
}
#endif // __OPENCL_C_VERSION__ >= CL_VERSION_2_0

kernel void basic_image_writeonly(write_only image1d_buffer_t image_write_only_image1d_buffer) {
  half4 h4;
  float4 f4;
  int i;

  write_imagef(image_write_only_image1d_buffer, i, f4);
  write_imageh(image_write_only_image1d_buffer, i, h4);
}

kernel void basic_subgroup(global uint *out) {
  out[0] = get_sub_group_size();
#if defined(__OPENCL_CPP_VERSION__)
  // expected-error@-2{{no matching function for call to 'get_sub_group_size'}}
  // expected-note@-3{{candidate unavailable as it requires OpenCL extension 'cl_khr_subgroups' to be enabled}}
#else
  // expected-error@-5{{use of declaration 'get_sub_group_size' requires cl_khr_subgroups extension to be enabled}}
#endif
}

kernel void basic_vector_data() {
#if __OPENCL_C_VERSION__ >= CL_VERSION_2_0
  generic void *generic_p;
#endif
  constant void *constant_p;
  local void *local_p;
  global void *global_p;
  private void *private_p;
  size_t s;

  vload4(s, (const __constant ulong *) constant_p);
  vload16(s, (const __constant short *) constant_p);

#if __OPENCL_C_VERSION__ >= CL_VERSION_2_0
  vload3(s, (const __generic ushort *) generic_p);
  vload16(s, (const __generic uchar *) generic_p);
#endif

  vload8(s, (const __global long *) global_p);
  vload2(s, (const __local uint *) local_p);
  vload16(s, (const __private float *) private_p);
}

kernel void basic_work_item() {
  uint ui;

  get_enqueued_local_size(ui);
#if !defined(__OPENCL_CPP_VERSION__) && __OPENCL_C_VERSION__ < CL_VERSION_2_0
// expected-error@-2{{implicit declaration of function 'get_enqueued_local_size' is invalid in OpenCL}}
#endif
}