clang/test/OpenMP/assume_nesting_tmpl.cpp

   1 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -ast-print %s | FileCheck %s
   2 // expected-no-diagnostics
   3
   4 extern void bar();
   5
   6 template<int N>
   7 void foo()
   8 {
   9   #pragma omp assume no_openmp_routines
  10   // CHECK: omp assume no_openmp_routines
  11   {
  12     #pragma omp assume no_parallelism
  13     // CHECK: omp assume no_parallelism
  14     {}
  15   }
  16
  17   #pragma omp target
  18   // CHECK: omp target
  19   {
  20     #pragma omp assume holds(1==N)
  21     // CHECK: omp assume holds(1 == N)
  22     {}
  23   }
  24
  25   #pragma omp assume no_parallelism
  26   // CHECK: omp assume no_parallelism
  27   {
  28     #pragma omp target
  29     // CHECK: omp target
  30     {}
  31   }
  32
  33   #pragma omp assume absent(parallel)
  34   // CHECK: omp assume absent(parallel)
  35   {
  36     #pragma omp assume contains(target, loop)
  37     // CHECK: omp assume contains(target, loop)
  38     {
  39       #pragma omp assume holds(1==N)
  40       // CHECK: omp assume holds(1 == N)
  41       {
  42         #pragma omp assume absent(teams)
  43         // CHECK: omp assume absent(teams)
  44         {
  45           #pragma omp assume no_openmp_routines
  46           // CHECK: omp assume no_openmp_routines
  47           {
  48             bar();
  49           }
  50         }
  51       }
  52     }
  53   }
  54 }
  55
  56 int main() {
  57   foo<5>();
  58   return 0;
  59 }