clang/test/OpenMP/constexpr_capture.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-linux -S -emit-llvm %s -o - -std=c++11 2>&1 | FileCheck %s
   2 // RUN: %clang_cc1 -verify -fopenmp -x c++  -fopenmp-targets=x86_64-pc-linux-gnu -triple powerpc64le-unknown-linux -S -emit-llvm %s -o - -std=c++11 2>&1 | FileCheck %s
   3 // expected-no-diagnostics
   4
   5 template <int __v> struct integral_constant {
   6   static constexpr int value = __v;
   7 };
   8
   9 template <typename _Tp, int v = 0, bool _IsArray = integral_constant<v>::value>
  10 struct decay {
  11   typedef int type;
  12 };
  13 struct V {
  14   template <typename TArg0 = int, typename = typename decay<TArg0>::type> V();
  15 };
  16
  17 constexpr double h_chebyshev_coefs[] = {
  18     1.0000020784639703, 0.0021491446496202074};
  19
  20 void test(double *d_value)
  21 {
  22 #pragma omp target map(tofrom                          \
  23                        : d_value [0:1]) map(always, to \
  24                                             : h_chebyshev_coefs [0:2])
  25   *d_value = h_chebyshev_coefs[1];  return;
  26 }
  27
  28 // CHECK: void @__omp_offloading_{{.+}}test{{.+}}(ptr %0)
  29
  30 int main() {
  31 #pragma omp target
  32   V v;
  33   return 0;
  34 }
  35
  36 // CHECK: call void @__omp_offloading_{{.+}}_main_{{.+}}()