clang/test/SemaHLSL/BuiltIns/clamp-errors.hlsl

// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.6-library %s -fnative-half-type -emit-llvm-only -disable-llvm-passes -verify -verify-ignore-unexpected=note

float2 test_no_second_arg(float2 p0) {
  return __builtin_hlsl_elementwise_clamp(p0);
  // expected-error@-1 {{too few arguments to function call, expected 3, have 1}}
}

float2 test_no_third_arg(float2 p0) {
  return __builtin_hlsl_elementwise_clamp(p0, p0);
  // expected-error@-1 {{too few arguments to function call, expected 3, have 2}}
}

float2 test_too_many_arg(float2 p0) {
  return __builtin_hlsl_elementwise_clamp(p0, p0, p0, p0);
  // expected-error@-1 {{too many arguments to function call, expected 3, have 4}}
}

float2 test_clamp_no_second_arg(float2 p0) {
  return clamp(p0);
  // expected-error@-1 {{no matching function for call to 'clamp'}}
}

float test_scalar_first_arg(float p0, float2 p1) {
  return clamp(p0, p1, p1);
  // expected-error@-1 {{call to 'clamp' is ambiguous}}
}

float test_scalar_first_arg2(float p0, float2 p1) {
  return clamp(p0, p0, p1);
  // expected-error@-1 {{call to 'clamp' is ambiguous}}
}

float2 test_scalar_first_arg3(float p0, float2 p1) {
  return clamp(p0, p0, p1);
  // expected-error@-1 {{call to 'clamp' is ambiguous}}
}

float3 test_clamp_vector_size_last_arg_mismatch(float3 p0, float2 p1) {
  return clamp(p0, p0, p1);
  // expected-error@-1 {{arguments are of different types ('vector<[...], 3>' vs 'vector<[...], 2>')}}
}

typedef float float5 __attribute__((ext_vector_type(5)));

// check vectors of wrong size are rejected
float5 vec_too_big(float5 p0) {
  return clamp(p0, p0, p0);
  // expected-error@-1 {{call to 'clamp' is ambiguous}}
}

float2 test_clamp_vector_size_ret_mismatch(float3 p0, float3 p1) {
  return clamp(p0, p0, p1);
  // expected-warning@-1 {{implicit conversion truncates vector: 'float3' (aka 'vector<float, 3>') to 'vector<float, 2>' (vector of 2 'float' values)}}
}

float2 test_clamp_builtin_vector_size_first_arg_mismatch(float3 p0, float2 p1) {
  return __builtin_hlsl_elementwise_clamp(p0, p1, p1);
  // expected-error@-1 {{arguments are of different types ('vector<[...], 3>' vs 'vector<[...], 2>')}}
}

float test_clamp_scalar_mismatch(float p0, half p1) {
  return clamp(p1, p0, p1);
  // expected-error@-1 {{call to 'clamp' is ambiguous}}
}

float2 test_clamp_element_type_mismatch(half2 p0, float2 p1) {
  return clamp(p1, p0, p1);
  // expected-error@-1 {{call to 'clamp' is ambiguous}}
}

float2 test_builtin_clamp_float2_splat(float p0, float2 p1) {
  return __builtin_hlsl_elementwise_clamp(p0, p1, p1);
  // expected-error@-1 {{arguments are of different types ('float' vs 'float2' (aka 'vector<float, 2>'))}}
}

float3 test_builtin_clamp_float3_splat(float p0, float3 p1) {
  return __builtin_hlsl_elementwise_clamp(p0, p1, p1);
  // expected-error@-1 {{arguments are of different types ('float' vs 'float3' (aka 'vector<float, 3>'))}}
}

float4 test_builtin_clamp_float4_splat(float p0, float4 p1) {
  return __builtin_hlsl_elementwise_clamp(p0, p1, p1);
  // expected-error@-1 {{arguments are of different types ('float' vs 'float4' (aka 'vector<float, 4>'))}}
}

float2 test_clamp_float2_int_splat(float2 p0, int p1) {
  return __builtin_hlsl_elementwise_clamp(p0, p1, p1);
  // expected-error@-1 {{arguments are of different types ('float2' (aka 'vector<float, 2>') vs 'int')}}
}

float3 test_clamp_float3_int_splat(float3 p0, int p1) {
  return __builtin_hlsl_elementwise_clamp(p0, p1, p1);
  // expected-error@-1 {{arguments are of different types ('float3' (aka 'vector<float, 3>') vs 'int')}}
}

float2 test_builtin_clamp_int_vect_to_float_vec_promotion(int2 p0, float p1) {
  return __builtin_hlsl_elementwise_clamp(p0, p1, p1);
  // expected-error@-1 {{arguments are of different types ('int2' (aka 'vector<int, 2>') vs 'float')}}
}

float test_builtin_clamp_bool_type_promotion(bool p0) {
  return __builtin_hlsl_elementwise_clamp(p0, p0, p0);
  // expected-error@-1 {{1st argument must be a vector, integer or floating-point type (was 'bool')}}
}

float builtin_bool_to_float_type_promotion(float p0, bool p1) {
  return __builtin_hlsl_elementwise_clamp(p0, p0, p1);
  // expected-error@-1 {{3rd argument must be a vector, integer or floating-point type (was 'bool')}}
}

float builtin_bool_to_float_type_promotion2(bool p0, float p1) {
  return __builtin_hlsl_elementwise_clamp(p1, p0, p1);
  // expected-error@-1 {{2nd argument must be a vector, integer or floating-point type (was 'bool')}}
}

float builtin_clamp_int_to_float_promotion(float p0, int p1) {
  return __builtin_hlsl_elementwise_clamp(p0, p0, p1);
  // expected-error@-1 {{arguments are of different types ('float' vs 'int')}}
}

float builtin_clamp_reject_array(int Arr[2]) {
  return __builtin_hlsl_elementwise_clamp(Arr, Arr, Arr);
  // expected-error@-1 {{1st argument must be a vector, integer or floating-point type (was 'int *')}}
}