clang/test/OpenMP/parallel_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 if(cond) // expected-warning {{variable 'cond' is uninitialized when used here}}
  18   for (int i = 0; i < 10; ++i)
  19     ;
  20 }
  21
  22 struct S1; // expected-note {{declared here}}
  23
  24 template <class T, class S> // expected-note {{declared here}}
  25 int tmain(T argc, S **argv) {
  26   T z;
  27   #pragma omp parallel if // expected-error {{expected '(' after 'if'}}
  28   #pragma omp parallel if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  29   #pragma omp parallel if () // expected-error {{expected expression}}
  30   #pragma omp parallel if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  31   #pragma omp parallel if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
  32   #pragma omp parallel if (argc > 0 ? argv[1] : argv[2] + z)
  33   #pragma omp parallel if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp parallel' cannot contain more than one 'if' clause}}
  34   #pragma omp parallel if (S) // expected-error {{'S' does not refer to a value}}
  35   #pragma omp parallel if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  36   #pragma omp parallel if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  37   #pragma omp parallel if(argc)
  38   #pragma omp parallel if(parallel // expected-error {{use of undeclared identifier 'parallel'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  39   #pragma omp parallel if(parallel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  40   #pragma omp parallel if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  41   #pragma omp parallel if(parallel : argc)
  42   #pragma omp parallel if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp parallel'}}
  43   #pragma omp parallel if(parallel : argc) if (parallel:argc) // expected-error {{directive '#pragma omp parallel' cannot contain more than one 'if' clause with 'parallel' name modifier}}
  44   #pragma omp parallel if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
  45   foo();
  46
  47   return 0;
  48 }
  49
  50 int main(int argc, char **argv) {
  51 int z;
  52   #pragma omp parallel if // expected-error {{expected '(' after 'if'}}
  53   #pragma omp parallel if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  54   #pragma omp parallel if () // expected-error {{expected expression}}
  55   #pragma omp parallel if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  56   #pragma omp parallel if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
  57   #pragma omp parallel if (argc > 0 ? argv[1] : argv[2])
  58   #pragma omp parallel if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp parallel' cannot contain more than one 'if' clause}}
  59   #pragma omp parallel if (S1) // expected-error {{'S1' does not refer to a value}}
  60   #pragma omp parallel if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  61   #pragma omp parallel if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  62   #pragma omp parallel if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  63   #pragma omp parallel if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  64   #pragma omp parallel if(parallel // expected-error {{use of undeclared identifier 'parallel'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  65   #pragma omp parallel if(parallel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  66   #pragma omp parallel if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  67   #pragma omp parallel if(parallel : argc>> z)
  68   #pragma omp parallel if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp parallel'}}
  69   #pragma omp parallel if(parallel : argc) if (parallel:argc)  // expected-error {{directive '#pragma omp parallel' cannot contain more than one 'if' clause with 'parallel' name modifier}}
  70   #pragma omp parallel if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
  71   foo();
  72
  73   return tmain(argc, argv);
  74 }