clang/test/SemaCUDA/openmp-parallel.cu


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// RUN: %clang_cc1 -fopenmp -fsyntax-only -verify %s
// RUN: %clang_cc1 -fopenmp -fexceptions -fsyntax-only -verify %s

#include "Inputs/cuda.h"

__device__ void foo(int) {} // expected-note {{candidate function not viable: call to __device__ function from __host__ function}}
// expected-note@-1 {{'foo' declared here}}

int main() {
  #pragma omp parallel
  for (int i = 0; i < 100; i++) {
    foo(1); // expected-error {{no matching function for call to 'foo'}}
    new int;
  }

  auto Lambda = []() {
    #pragma omp parallel
    for (int i = 0; i < 100; i++) {
      foo(1); // expected-error {{reference to __device__ function 'foo' in __host__ __device__ function}}
      new int;
    }
  };
  Lambda(); // expected-note {{called by 'main'}}
}