clang/test/OpenMP/parallel_master_if_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -ferror-limit 100 %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 -ferror-limit 100 %s -Wuninitialized
   4
   5 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized
   6 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
   7
   8 void foo() {
   9 }
  10
  11 bool foobool(int argc) {
  12   return argc;
  13 }
  14
  15 void xxx(int argc) {
  16   int cond; // expected-note {{initialize the variable 'cond' to silence this warning}}
  17 #pragma omp parallel master if(cond) // expected-warning {{variable 'cond' is uninitialized when used here}}
  18   {
  19     ;
  20   }
  21 }
  22
  23 struct S1; // expected-note {{declared here}}
  24
  25 template <class T, class S> // expected-note {{declared here}}
  26 int tmain(T argc, S **argv) {
  27   T z;
  28   #pragma omp parallel master if // expected-error {{expected '(' after 'if'}}
  29   {
  30     foo();
  31   }
  32   #pragma omp parallel master if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  33   {
  34     foo();
  35   }
  36   #pragma omp parallel master if () // expected-error {{expected expression}}
  37   {
  38     foo();
  39   }
  40   #pragma omp parallel master if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  41   {
  42     foo();
  43   }
  44   #pragma omp parallel master if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel master' are ignored}}
  45   {
  46     foo();
  47   }
  48   #pragma omp parallel master if (argc > 0 ? argv[1] : argv[2])
  49   {
  50     foo();
  51   }
  52   #pragma omp parallel master if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp parallel master' cannot contain more than one 'if' clause}}
  53   {
  54     foo();
  55   }
  56   #pragma omp parallel master if (S) // expected-error {{'S' does not refer to a value}}
  57   {
  58     foo();
  59   }
  60   #pragma omp parallel master if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  61   {
  62     foo();
  63   }
  64   #pragma omp parallel master if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  65   {
  66     foo();
  67   }
  68   #pragma omp parallel master if(argc + z)
  69   {
  70     foo();
  71   }
  72   #pragma omp parallel master if(parallel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  73   {
  74     foo();
  75   }
  76   #pragma omp parallel master if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  77   {
  78     foo();
  79   }
  80   #pragma omp parallel master if(parallel : argc)
  81   {
  82     foo();
  83   }
  84   #pragma omp parallel master if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp parallel master'}}
  85   {
  86     foo();
  87   }
  88   #pragma omp parallel master if(parallel : argc) if (parallel:argc) // expected-error {{directive '#pragma omp parallel master' cannot contain more than one 'if' clause with 'parallel' name modifier}}
  89   {
  90     foo();
  91   }
  92   #pragma omp parallel master if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
  93   {
  94     foo();
  95   }
  96
  97   return 0;
  98 }
  99
 100 int main(int argc, char **argv) {
 101   int z;
 102   #pragma omp parallel master if // expected-error {{expected '(' after 'if'}}
 103   {
 104     foo();
 105   }
 106   #pragma omp parallel master if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 107   {
 108     foo();
 109   }
 110   #pragma omp parallel master if () // expected-error {{expected expression}}
 111   {
 112     foo();
 113   }
 114   #pragma omp parallel master if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 115   {
 116     foo();
 117   }
 118   #pragma omp parallel master if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel master' are ignored}}
 119   {
 120     foo();
 121   }
 122   #pragma omp parallel master if (argc > 0 ? argv[1] : argv[2] + z)
 123   {
 124     foo();
 125   }
 126   #pragma omp parallel master if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp parallel master' cannot contain more than one 'if' clause}}
 127   {
 128     foo();
 129   }
 130   #pragma omp parallel master if (S1) // expected-error {{'S1' does not refer to a value}}
 131   {
 132     foo();
 133   }
 134   #pragma omp parallel master if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
 135   {
 136     foo();
 137   }
 138   #pragma omp parallel master if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
 139   {
 140     foo();
 141   }
 142   #pragma omp parallel master if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
 143   {
 144     foo();
 145   }
 146   #pragma omp parallel master if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 147   {
 148     foo();
 149   }
 150   #pragma omp parallel master if(parallel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 151   {
 152     foo();
 153   }
 154   #pragma omp parallel master if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 155   {
 156     foo();
 157   }
 158   #pragma omp parallel master if(parallel : argc)
 159   {
 160     foo();
 161   }
 162   #pragma omp parallel master if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp parallel master'}}
 163   {
 164     foo();
 165   }
 166   #pragma omp parallel master if(parallel : argc) if (parallel:argc) // expected-error {{directive '#pragma omp parallel master' cannot contain more than one 'if' clause with 'parallel' name modifier}}
 167   {
 168     foo();
 169   }
 170   #pragma omp parallel master if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
 171   {
 172     foo();
 173   }
 174
 175   return tmain(argc, argv);
 176 }