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// RUN: %clang_cc1 -std=c++14 %s -emit-llvm -o - -triple nvptx64-nvidia-cuda \
// RUN: -fcuda-is-device -verify -fsyntax-only
// RUN: %clang_cc1 -std=c++17 %s -emit-llvm -o - -triple nvptx64-nvidia-cuda \
// RUN: -fcuda-is-device -verify -fsyntax-only
// RUN: %clang_cc1 -std=c++14 %s -emit-llvm -o - \
// RUN: -triple x86_64-unknown-linux-gnu -verify -fsyntax-only
// RUN: %clang_cc1 -std=c++17 %s -emit-llvm -o - \
// RUN: -triple x86_64-unknown-linux-gnu -verify -fsyntax-only
#include "Inputs/cuda.h"
template<typename T>
__host__ __device__ void foo(const T **a) {
// expected-note@-1 {{declared here}}
static const T b = sizeof(a);
static constexpr T c = sizeof(a);
const T d = sizeof(a);
constexpr T e = sizeof(a);
constexpr T f = **a;
// expected-error@-1 {{constexpr variable 'f' must be initialized by a constant expression}}
// expected-note@-2 {{read of non-constexpr variable 'a' is not allowed in a constant expression}}
a[0] = &b;
a[1] = &c;
a[2] = &d;
a[3] = &e;
}
__device__ void device_fun(const int **a) {
// expected-note@-1 {{declared here}}
constexpr int b = sizeof(a);
static constexpr int c = sizeof(a);
constexpr int d = **a;
// expected-error@-1 {{constexpr variable 'd' must be initialized by a constant expression}}
// expected-note@-2 {{read of non-constexpr variable 'a' is not allowed in a constant expression}}
a[0] = &b;
a[1] = &c;
foo(a);
// expected-note@-1 {{in instantiation of function template specialization 'foo<int>' requested here}}
}
void host_fun(const int **a) {
// expected-note@-1 {{declared here}}
constexpr int b = sizeof(a);
static constexpr int c = sizeof(a);
constexpr int d = **a;
// expected-error@-1 {{constexpr variable 'd' must be initialized by a constant expression}}
// expected-note@-2 {{read of non-constexpr variable 'a' is not allowed in a constant expression}}
a[0] = &b;
a[1] = &c;
foo(a);
}
__host__ __device__ void host_device_fun(const int **a) {
// expected-note@-1 {{declared here}}
constexpr int b = sizeof(a);
static constexpr int c = sizeof(a);
constexpr int d = **a;
// expected-error@-1 {{constexpr variable 'd' must be initialized by a constant expression}}
// expected-note@-2 {{read of non-constexpr variable 'a' is not allowed in a constant expression}}
a[0] = &b;
a[1] = &c;
foo(a);
}
template <class T>
struct A {
explicit A() = default;
};
template <class T>
constexpr A<T> a{};
struct B {
static constexpr bool value = true;
};
template<typename T>
struct C {
static constexpr bool value = T::value;
};
__constant__ const bool &x = C<B>::value;
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