clang/test/SemaSPIRV/BuiltIns/distance-errors.c

// RUN: %clang_cc1 %s -triple spirv-pc-vulkan-compute -verify

typedef float float2 __attribute__((ext_vector_type(2)));

float test_no_second_arg(float2 p0) {
  return __builtin_spirv_distance(p0);
  // expected-error@-1 {{too few arguments to function call, expected 2, have 1}}
}

float test_too_many_arg(float2 p0) {
  return __builtin_spirv_distance(p0, p0, p0);
  // expected-error@-1 {{too many arguments to function call, expected 2, have 3}}
}

float test_double_scalar_inputs(double p0, double p1) {
  return __builtin_spirv_distance(p0, p1);
  //  expected-error@-1 {{passing 'double' to parameter of incompatible type '__attribute__((__vector_size__(2 * sizeof(double)))) double' (vector of 2 'double' values)}}
}

float test_int_scalar_inputs(int p0, int p1) {
  return __builtin_spirv_distance(p0, p1);
  //  expected-error@-1 {{passing 'int' to parameter of incompatible type '__attribute__((__vector_size__(2 * sizeof(int)))) int' (vector of 2 'int' values)}}
}