clang/test/OpenMP/taskloop_with_atomic_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
  11 #ifndef HEADER
  12 #define HEADER
  13
  14 // CHECK-LABEL: @main
  15 int main() {
  16   unsigned occupanices = 0;
  17
  18 // CHECK: call void @__kmpc_taskloop(ptr @{{.+}}, i32 %{{.+}}, ptr %{{.+}}, i32 1, ptr %{{.+}}, ptr %{{.+}}, i64 %{{.+}}, i32 1, i32 0, i64 0, ptr null)
  19 #pragma omp taskloop
  20   for (int i = 0; i < 1; i++) {
  21 #pragma omp atomic
  22     occupanices++;
  23   }
  24 }
  25
  26 // CHECK: define internal noundef i32 @{{.+}}(
  27 // Check that occupanices var is firstprivatized.
  28 // CHECK-DAG: atomicrmw add ptr [[FP_OCCUP:%.+]], i32 1 monotonic, align 4
  29 // CHECK-DAG: [[FP_OCCUP]] = load ptr, ptr [[FP_OCCUP_ADDR:%[^,]+]],
  30 // CHECK-DAG: call void %{{.*}}(ptr %{{.+}}, ptr [[FP_OCCUP_ADDR]])
  31
  32 #endif