clang/test/OpenMP/master_taskloop_ast_print.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
   5 // RUN: %clang_cc1 -verify -fopenmp-simd -ast-print %s | FileCheck %s
   6 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -emit-pch -o %t %s
   7 // RUN: %clang_cc1 -fopenmp-simd -std=c++11 -include-pch %t -verify %s -ast-print | FileCheck %s
   8 // expected-no-diagnostics
   9
  10 #ifndef HEADER
  11 #define HEADER
  12
  13 void foo() {}
  14
  15 template <class T, int N>
  16 T tmain(T argc) {
  17   T b = argc, c, d, e, f, g;
  18   static T a;
  19 // CHECK: static T a;
  20 #pragma omp taskgroup allocate(d) task_reduction(+: d)
  21 #pragma omp master taskloop if(taskloop: argc > N) default(shared) untied priority(N) grainsize(N) reduction(+:g) in_reduction(+: d) allocate(d)
  22   // CHECK-NEXT: #pragma omp taskgroup allocate(d) task_reduction(+: d)
  23   // CHECK-NEXT: #pragma omp master taskloop if(taskloop: argc > N) default(shared) untied priority(N) grainsize(N) reduction(+: g) in_reduction(+: d) allocate(d){{$}}
  24   for (int i = 0; i < 2; ++i)
  25     a = 2;
  26 // CHECK-NEXT: for (int i = 0; i < 2; ++i)
  27 // CHECK-NEXT: a = 2;
  28 #pragma omp parallel
  29 #pragma omp master taskloop private(argc, b), firstprivate(c, d), lastprivate(d, f) collapse(N) shared(g) if (c) final(d) mergeable priority(f) nogroup num_tasks(N)
  30   for (int i = 0; i < 2; ++i)
  31     for (int j = 0; j < 2; ++j)
  32       for (int j = 0; j < 2; ++j)
  33         for (int j = 0; j < 2; ++j)
  34           for (int j = 0; j < 2; ++j)
  35   for (int i = 0; i < 2; ++i)
  36     for (int j = 0; j < 2; ++j)
  37       for (int j = 0; j < 2; ++j)
  38         for (int j = 0; j < 2; ++j)
  39           for (int j = 0; j < 2; ++j) {
  40 #pragma omp cancel taskgroup
  41 #pragma omp cancellation point taskgroup
  42             foo();
  43           }
  44   // CHECK-NEXT: #pragma omp parallel
  45   // CHECK-NEXT: #pragma omp master taskloop private(argc,b) firstprivate(c,d) lastprivate(d,f) collapse(N) shared(g) if(c) final(d) mergeable priority(f) nogroup num_tasks(N)
  46   // CHECK-NEXT: for (int i = 0; i < 2; ++i)
  47   // CHECK-NEXT: for (int j = 0; j < 2; ++j)
  48   // CHECK-NEXT: for (int j = 0; j < 2; ++j)
  49   // CHECK-NEXT: for (int j = 0; j < 2; ++j)
  50   // CHECK-NEXT: for (int j = 0; j < 2; ++j)
  51   // CHECK-NEXT: for (int i = 0; i < 2; ++i)
  52   // CHECK-NEXT: for (int j = 0; j < 2; ++j)
  53   // CHECK-NEXT: for (int j = 0; j < 2; ++j)
  54   // CHECK-NEXT: for (int j = 0; j < 2; ++j)
  55   // CHECK-NEXT: for (int j = 0; j < 2; ++j) {
  56   // CHECK-NEXT: #pragma omp cancel taskgroup
  57   // CHECK-NEXT: #pragma omp cancellation point taskgroup
  58   // CHECK-NEXT: foo();
  59   return T();
  60 }
  61
  62 // CHECK-LABEL: int main(int argc, char **argv) {
  63 int main(int argc, char **argv) {
  64   int b = argc, c, d, e, f, g;
  65   static int a;
  66 // CHECK: static int a;
  67 #pragma omp taskgroup task_reduction(+: d)
  68 #pragma omp master taskloop if(taskloop: a) default(none) shared(a) final(b) priority(5) num_tasks(argc) reduction(*: g) in_reduction(+:d)
  69   // CHECK-NEXT: #pragma omp taskgroup task_reduction(+: d)
  70   // CHECK-NEXT: #pragma omp master taskloop if(taskloop: a) default(none) shared(a) final(b) priority(5) num_tasks(argc) reduction(*: g) in_reduction(+: d)
  71   for (int i = 0; i < 2; ++i)
  72     a = 2;
  73 // CHECK-NEXT: for (int i = 0; i < 2; ++i)
  74 // CHECK-NEXT: a = 2;
  75 #pragma omp parallel
  76 #pragma omp master taskloop private(argc, b), firstprivate(argv, c), lastprivate(d, f) collapse(2) shared(g) if(argc) mergeable priority(argc) grainsize(argc) reduction(max: a, e)
  77   for (int i = 0; i < 10; ++i)
  78     for (int j = 0; j < 10; ++j) {
  79 #pragma omp cancel taskgroup
  80 #pragma omp cancellation point taskgroup
  81       foo();
  82     }
  83   // CHECK-NEXT: #pragma omp parallel
  84   // CHECK-NEXT: #pragma omp master taskloop private(argc,b) firstprivate(argv,c) lastprivate(d,f) collapse(2) shared(g) if(argc) mergeable priority(argc) grainsize(argc) reduction(max: a,e)
  85   // CHECK-NEXT: for (int i = 0; i < 10; ++i)
  86   // CHECK-NEXT: for (int j = 0; j < 10; ++j) {
  87   // CHECK-NEXT: #pragma omp cancel taskgroup
  88   // CHECK-NEXT: #pragma omp cancellation point taskgroup
  89   // CHECK-NEXT: foo();
  90   return (tmain<int, 5>(argc) + tmain<char, 1>(argv[0][0]));
  91 }
  92
  93 #endif