clang/test/OpenMP/cancel_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
   4
   5 int main(int argc, char **argv) {
   6 #pragma omp cancellation       // expected-error {{expected an OpenMP directive}}
   7 #pragma omp cancel // expected-error {{one of 'for', 'parallel', 'sections' or 'taskgroup' is expected}}
   8   ;
   9 #pragma omp parallel
  10   {
  11 #pragma omp cancel // expected-error {{one of 'for', 'parallel', 'sections' or 'taskgroup' is expected}}
  12   }
  13 #pragma omp cancel parallel untied // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp cancel'}} expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  14 #pragma omp cancel unknown         // expected-error {{one of 'for', 'parallel', 'sections' or 'taskgroup' is expected}}
  15 #pragma omp parallel
  16   {
  17 #pragma omp cancel unknown         // expected-error {{one of 'for', 'parallel', 'sections' or 'taskgroup' is expected}}
  18   }
  19 #pragma omp cancel sections(       // expected-warning {{extra tokens at the end of '#pragma omp cancel' are ignored}} expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  20 #pragma omp cancel for, )          // expected-warning {{extra tokens at the end of '#pragma omp cancel' are ignored}} expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  21 #pragma omp cancel taskgroup()     // expected-warning {{extra tokens at the end of '#pragma omp cancel' are ignored}} expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  22 #pragma omp cancel parallel, if    // expected-warning {{extra tokens at the end of '#pragma omp cancel' are ignored}} expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  23   if (argc)
  24 #pragma omp cancel for // expected-error {{'#pragma omp cancel' cannot be an immediate substatement}} expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  25     if (argc) {
  26 #pragma omp taskgroup
  27 #pragma omp task
  28 #pragma omp parallel
  29       {
  30 #pragma omp cancel taskgroup // expected-error {{region cannot be closely nested inside 'parallel' region}}
  31       }
  32     }
  33 #pragma omp parallel
  34 #pragma omp taskgroup
  35   {
  36 #pragma omp cancel taskgroup // expected-error {{region cannot be closely nested inside 'taskgroup' region}}
  37   }
  38 #pragma omp parallel
  39   {
  40 #pragma omp cancel for // expected-error {{region cannot be closely nested inside 'parallel' region}}
  41   }
  42 #pragma omp task
  43   {
  44 #pragma omp cancel sections // expected-error {{region cannot be closely nested inside 'task' region}}
  45   }
  46 #pragma omp sections
  47   {
  48 #pragma omp cancel parallel allocate(argc) // expected-error {{region cannot be closely nested inside 'sections' region}} expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp cancel'}}
  49   }
  50   while (argc)
  51 #pragma omp cancel for // expected-error {{'#pragma omp cancel' cannot be an immediate substatement}} expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  52     while (argc) {
  53 #pragma omp cancel sections // expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  54     }
  55   do
  56 #pragma omp cancel parallel // expected-error {{'#pragma omp cancel' cannot be an immediate substatement}} expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  57     while (argc)
  58       ;
  59   do {
  60 #pragma omp cancel taskgroup // expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  61   } while (argc);
  62   switch (argc)
  63 #pragma omp cancel parallel // expected-error {{'#pragma omp cancel' cannot be an immediate substatement}} expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  64     switch (argc)
  65     case 1:
  66 #pragma omp cancel sections // expected-error {{'#pragma omp cancel' cannot be an immediate substatement}} expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  67   switch (argc)
  68   case 1: {
  69 #pragma omp cancel for // expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  70   }
  71   switch (argc) {
  72 #pragma omp cancel taskgroup // expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  73   case 1:
  74 #pragma omp cancel parallel // expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}} \
  75                                expected-error {{'#pragma omp cancel' cannot be an immediate substatement}}
  76     break;
  77   default: {
  78 #pragma omp cancel sections // expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  79   } break;
  80   }
  81   for (;;)
  82 #pragma omp cancel for // expected-error {{'#pragma omp cancel' cannot be an immediate substatement}} expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  83     for (;;) {
  84 #pragma omp cancel taskgroup // expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  85     }
  86 label:
  87 #pragma omp cancel parallel // expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}} \
  88                                expected-error {{'#pragma omp cancel' cannot be an immediate substatement}}
  89 label1 : {
  90 #pragma omp cancel sections // expected-error {{orphaned 'omp cancel' directives are prohibited; perhaps you forget to enclose the directive into a region?}}
  91 }
  92
  93   return 0;
  94 }
  95