clang/test/OpenMP/assume_template.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -ast-print %s | FileCheck %s
   2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -emit-pch -o %t %s
   3 // RUN: %clang_cc1 -fopenmp -std=c++11 -include-pch %t -verify %s -ast-print | FileCheck %s
   4 // expected-no-diagnostics
   5
   6 #ifndef HEADER
   7 #define HEADER
   8
   9 extern int qux(int);
  10
  11 template<typename T>
  12 int foo(T arg)
  13 {
  14   #pragma omp assume no_openmp_routines
  15   {
  16     auto fn = [](int x) { return qux(x); };
  17 // CHECK: auto fn = [](int x) {
  18     return fn(5);
  19   }
  20 }
  21
  22 template<typename T>
  23 class C {
  24   T m;
  25
  26 public:
  27   T bar(T a);
  28 };
  29
  30 // We're really just checking this parses.  All the assumptions are thrown
  31 // away immediately for now.
  32 template<typename T>
  33 T C<T>::bar(T a)
  34 {
  35   #pragma omp assume holds(sizeof(T) == 8) absent(parallel)
  36   {
  37     return (T)qux((int)a);
  38 // CHECK: return (T)qux((int)a);
  39   }
  40 }
  41
  42 #endif