clang/test/OpenMP/scan_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 -fsyntax-only -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 -fsyntax-only -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>
  16 T tmain(T argc) {
  17   static T a;
  18 #pragma omp for reduction(inscan, +: a)
  19   for (int i = 0; i < 10; ++i) {
  20 #pragma omp scan inclusive(a)
  21   }
  22   return a + argc;
  23 }
  24 // CHECK:      static T a;
  25 // CHECK-NEXT: #pragma omp for reduction(inscan, +: a)
  26 // CHECK-NEXT: for (int i = 0; i < 10; ++i) {
  27 // CHECK-NEXT: #pragma omp scan inclusive(a){{$}}
  28 // CHECK:      static int a;
  29 // CHECK-NEXT: #pragma omp for reduction(inscan, +: a)
  30 // CHECK-NEXT: for (int i = 0; i < 10; ++i) {
  31 // CHECK-NEXT: #pragma omp scan inclusive(a)
  32 // CHECK:      static char a;
  33 // CHECK-NEXT: #pragma omp for reduction(inscan, +: a)
  34 // CHECK-NEXT: for (int i = 0; i < 10; ++i) {
  35 // CHECK-NEXT: #pragma omp scan inclusive(a)
  36
  37 int main(int argc, char **argv) {
  38   static int a;
  39 // CHECK: static int a;
  40 #pragma omp parallel
  41 #pragma omp for simd reduction(inscan, ^: a, argc)
  42   for (int i = 0; i < 10; ++i) {
  43 #pragma omp scan exclusive(a, argc)
  44   }
  45 // CHECK-NEXT: #pragma omp parallel
  46 // CHECK-NEXT: #pragma omp for simd reduction(inscan, ^: a,argc)
  47 // CHECK-NEXT: for (int i = 0; i < 10; ++i) {
  48 // CHECK-NEXT: #pragma omp scan exclusive(a,argc){{$}}
  49   return tmain(argc) + tmain(argv[0][0]) + a;
  50 }
  51
  52 #endif