llvm-project/clang/test/SemaCXX/builtins-elementwise-math.cpp

62 lines
2.0 KiB
C++

// RUN: %clang_cc1 %s -std=c++17 -pedantic -verify -triple=x86_64-apple-darwin9
// Simple is_const implementation.
struct true_type {
static const bool value = true;
};
struct false_type {
static const bool value = false;
};
template <class T> struct is_const : false_type {};
template <class T> struct is_const<const T> : true_type {};
// expected-no-diagnostics
void test_builtin_elementwise_abs() {
const int a = 2;
int b = 1;
static_assert(!is_const<decltype(__builtin_elementwise_abs(a))>::value);
static_assert(!is_const<decltype(__builtin_elementwise_abs(b))>::value);
}
void test_builtin_elementwise_add_sat() {
const int a = 2;
int b = 1;
static_assert(!is_const<decltype(__builtin_elementwise_add_sat(a, b))>::value);
static_assert(!is_const<decltype(__builtin_elementwise_add_sat(b, a))>::value);
static_assert(!is_const<decltype(__builtin_elementwise_add_sat(a, a))>::value);
}
void test_builtin_elementwise_sub_sat() {
const int a = 2;
int b = 1;
static_assert(!is_const<decltype(__builtin_elementwise_sub_sat(a, b))>::value);
static_assert(!is_const<decltype(__builtin_elementwise_sub_sat(b, a))>::value);
static_assert(!is_const<decltype(__builtin_elementwise_sub_sat(a, a))>::value);
}
void test_builtin_elementwise_max() {
const int a = 2;
int b = 1;
static_assert(!is_const<decltype(__builtin_elementwise_max(a, b))>::value);
static_assert(!is_const<decltype(__builtin_elementwise_max(b, a))>::value);
static_assert(!is_const<decltype(__builtin_elementwise_max(a, a))>::value);
}
void test_builtin_elementwise_min() {
const int a = 2;
int b = 1;
static_assert(!is_const<decltype(__builtin_elementwise_min(a, b))>::value);
static_assert(!is_const<decltype(__builtin_elementwise_min(b, a))>::value);
static_assert(!is_const<decltype(__builtin_elementwise_min(a, a))>::value);
}
void test_builtin_elementwise_ceil() {
const float a = 42.0;
float b = 42.3;
static_assert(!is_const<decltype(__builtin_elementwise_ceil(a))>::value);
static_assert(!is_const<decltype(__builtin_elementwise_ceil(b))>::value);
}