clang/test/OpenMP/taskyield_codegen.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
   2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
   3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
   4 //
   5 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-enable-irbuilder -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
   6 // RUN: %clang_cc1 -fopenmp -fopenmp-enable-irbuilder -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
   7 // RUN: %clang_cc1 -fopenmp -fopenmp-enable-irbuilder -x c++ -triple x86_64-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
   8
   9 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
  10 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
  11 // RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
  12 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
  13 // expected-no-diagnostics
  14 #ifndef HEADER
  15 #define HEADER
  16
  17 // CHECK: [[IDENT_T:%.+]] = type { i32, i32, i32, i32, ptr }
  18
  19 void foo() {}
  20
  21 template <class T>
  22 T tmain(T argc) {
  23   static T a;
  24 #pragma omp taskyield
  25   return a + argc;
  26 }
  27
  28 // CHECK-LABEL: @main
  29 int main(int argc, char **argv) {
  30   static int a;
  31 #pragma omp taskyield
  32   // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(ptr @{{.+}})
  33   // CHECK: call i32 @__kmpc_omp_taskyield(ptr @{{.+}}, i32 [[GTID]], i32 0)
  34   // CHECK: call {{.+}} [[TMAIN_INT:@.+]](i{{[0-9][0-9]}}
  35   // CHECK: call {{.+}} [[TMAIN_CHAR:@.+]](i{{[0-9]}}
  36   return tmain(argc) + tmain(argv[0][0]) + a;
  37 }
  38
  39 // CHECK: define {{.+}} [[TMAIN_INT]](
  40 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(ptr @{{.+}})
  41 // CHECK: call i32 @__kmpc_omp_taskyield(ptr @{{.+}}, i32 [[GTID]], i32 0)
  42
  43 // CHECK: define {{.+}} [[TMAIN_CHAR]](
  44 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(ptr @{{.+}})
  45 // CHECK: call i32 @__kmpc_omp_taskyield(ptr @{{.+}}, i32 [[GTID]], i32 0)
  46
  47 #endif