clang/test/OpenMP/taskwait_depend_codegen.cpp

   1 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -x c++ -emit-llvm %s -o - | FileCheck %s
   2 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -emit-pch -o %t %s
   3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
   4
   5 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp-simd -x c++ -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
   6 // RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-apple-darwin10 -emit-pch -o %t %s
   7 // RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
   8 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
   9 // expected-no-diagnostics
  10 #ifndef HEADER
  11 #define HEADER
  12
  13 void foo() {}
  14
  15 template <class T>
  16 T tmain(T &argc) {
  17   static T a;
  18   #pragma omp taskwait depend(in:argc)
  19   return a + argc;
  20 }
  21 int main(int argc, char **argv) {
  22   int n = 0;
  23   #pragma omp task shared(n,argc) depend(out:n)
  24      n = argc;
  25   return tmain(n);
  26 }
  27
  28 // CHECK-LABEL: @main
  29 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(ptr @{{.+}})
  30 // CHECK: [[ALLOC:%.+]] = call ptr @__kmpc_omp_task_alloc(ptr @{{.+}}, i32 [[GTID]], i32 1, i64 40, i64 16, ptr @{{.+}})
  31 // CHECK: %{{.+}} = call i32 @__kmpc_omp_task_with_deps(ptr @{{.+}}, i32 [[GTID]], ptr [[ALLOC]], i32 1, ptr %{{[0-9]*}}, i32 0, ptr null)
  32
  33 // CHECK-LABEL: tmain
  34 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(ptr @{{.+}})
  35 // CHECK: call void @__kmpc_omp_taskwait_deps_51(ptr @{{.+}}, i32 [[GTID]], i32 1, ptr %{{.}}, i32 0, ptr null, i32 0)
  36
  37
  38 #endif