forked from OSchip/llvm-project
104 lines
4.3 KiB
Plaintext
104 lines
4.3 KiB
Plaintext
// RUN: %clang_cc1 -fcuda-is-device -fsyntax-only -verify=dev,com %s \
|
|
// RUN: -std=c++11 -fgpu-defer-diag
|
|
// RUN: %clang_cc1 -fsyntax-only -verify=host,com %s \
|
|
// RUN: -std=c++11 -fgpu-defer-diag
|
|
// RUN: %clang_cc1 -fopenmp -fsyntax-only -verify=host,com %s \
|
|
// RUN: -std=c++11 -fgpu-defer-diag
|
|
|
|
// With -fgpu-defer-diag, clang defers overloading resolution induced
|
|
// diagnostics when the full candidates set include host device
|
|
// functions or wrong-sided candidates. This roughly matches nvcc's
|
|
// behavior.
|
|
|
|
#include "Inputs/cuda.h"
|
|
|
|
// When callee is called by a host function with integer arguments, there is an error for ambiguity.
|
|
// It should be deferred since it involves wrong-sided candidates.
|
|
__device__ void callee(int);
|
|
__host__ void callee(float); // host-note {{candidate function}}
|
|
__host__ void callee(double); // host-note {{candidate function}}
|
|
|
|
// When callee2 is called by a device function without arguments, there is an error for 'no matching function'.
|
|
// It should be deferred since it involves wrong-sided candidates.
|
|
__host__ void callee2(); // dev-note{{candidate function not viable: call to __host__ function from __device__ function}}
|
|
|
|
// When callee3 is called by a device function without arguments, there is an error for 'no matching function'.
|
|
// It should be deferred since it involves wrong-sided candidates.
|
|
__host__ void callee3(); // dev-note{{candidate function not viable: call to __host__ function from __device__ function}}
|
|
__device__ void callee3(int); // dev-note{{candidate function not viable: requires 1 argument, but 0 were provided}}
|
|
|
|
// When callee4 is called by a host or device function without arguments, there is an error for 'no matching function'.
|
|
// It should be immediate since it involves no wrong-sided candidates (it is not a viable candiate due to signature).
|
|
__host__ void callee4(int); // com-note 2{{candidate function not viable: requires 1 argument, but 0 were provided}}
|
|
|
|
// When callee5 is called by a host function with integer arguments, there is an error for ambiguity.
|
|
// It should be immediate since it involves no wrong-sided candidates.
|
|
__host__ void callee5(float); // com-note {{candidate function}}
|
|
__host__ void callee5(double); // com-note {{candidate function}}
|
|
|
|
// When '<<` operator is called by a device function, there is error for 'invalid operands'.
|
|
// It should be deferred since it involves wrong-sided candidates.
|
|
struct S {
|
|
__host__ S &operator <<(int i); // dev-note {{candidate function not viable}}
|
|
};
|
|
|
|
__host__ void hf() {
|
|
callee(1); // host-error {{call to 'callee' is ambiguous}}
|
|
callee2();
|
|
callee3();
|
|
callee4(); // com-error {{no matching function for call to 'callee4'}}
|
|
callee5(1); // com-error {{call to 'callee5' is ambiguous}}
|
|
S s;
|
|
s << 1;
|
|
undeclared_func(); // com-error {{use of undeclared identifier 'undeclared_func'}}
|
|
}
|
|
|
|
__device__ void df() {
|
|
callee(1);
|
|
callee2(); // dev-error {{no matching function for call to 'callee2'}}
|
|
callee3(); // dev-error {{no matching function for call to 'callee3'}}
|
|
callee4(); // com-error {{no matching function for call to 'callee4'}}
|
|
S s;
|
|
s << 1; // dev-error {{invalid operands to binary expression}}
|
|
}
|
|
|
|
struct A { int x; typedef int isA; };
|
|
struct B { int x; };
|
|
|
|
// This function is invalid for A and B by SFINAE.
|
|
// This fails to substitue for A but no diagnostic
|
|
// should be emitted.
|
|
template<typename T, typename T::foo* = nullptr>
|
|
__host__ __device__ void sfinae(T t) { // host-note {{candidate template ignored: substitution failure [with T = B]}}
|
|
t.x = 1;
|
|
}
|
|
|
|
// This function is defined for A only by SFINAE.
|
|
// Calling it with A should succeed, with B should fail.
|
|
// The error should not be deferred since it happens in
|
|
// file scope.
|
|
|
|
template<typename T, typename T::isA* = nullptr>
|
|
__host__ __device__ void sfinae(T t) { // host-note {{candidate template ignored: substitution failure [with T = B]}}
|
|
t.x = 1;
|
|
}
|
|
|
|
void test_sfinae() {
|
|
sfinae(A());
|
|
sfinae(B()); // host-error{{no matching function for call to 'sfinae'}}
|
|
}
|
|
|
|
// Make sure throw is diagnosed in OpenMP parallel region in host function.
|
|
void test_openmp() {
|
|
#pragma omp parallel for
|
|
for (int i = 0; i < 10; i++) {
|
|
throw 1;
|
|
}
|
|
}
|
|
|
|
// If a syntax error causes a function not declared, it cannot
|
|
// be deferred.
|
|
|
|
inline __host__ __device__ void bad_func() { // com-note {{to match this '{'}}
|
|
// com-error {{expected '}'}}
|