clang/test/OpenMP/target_parallel_if_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 %s -Wuninitialized
   4
   5 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
   6 // RUN: %clang_cc1 -verify -fopenmp-simd %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 target 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 target parallel if // expected-error {{expected '(' after 'if'}}
  28   foo();
  29   #pragma omp target parallel if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  30   foo();
  31   #pragma omp target parallel if () // expected-error {{expected expression}}
  32   foo();
  33   #pragma omp target parallel if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  34   foo();
  35   #pragma omp target parallel if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
  36   foo();
  37   #pragma omp target parallel if (argc > 0 ? argv[1] : argv[2] + z)
  38   foo();
  39   #pragma omp target parallel if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause}}
  40   foo();
  41   #pragma omp target parallel if (S) // expected-error {{'S' does not refer to a value}}
  42   foo();
  43   #pragma omp target parallel if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  44   foo();
  45   #pragma omp target parallel if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  46   foo();
  47   #pragma omp target parallel if(argc)
  48   foo();
  49   #pragma omp target parallel if(target : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  50   foo();
  51   #pragma omp target parallel if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  52   foo();
  53   #pragma omp target parallel if(target : argc)
  54   foo();
  55   #pragma omp target parallel if(parallel : argc)
  56   foo();
  57   #pragma omp target parallel if(target : argc) if(parallel : argc)
  58   foo();
  59   #pragma omp target parallel if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp target parallel'}}
  60   foo();
  61   #pragma omp target parallel if(target : argc) if (target :argc) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause with 'target' name modifier}}
  62   foo();
  63   #pragma omp target parallel if(parallel : argc) if (parallel :argc) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause with 'parallel' name modifier}}
  64   foo();
  65   #pragma omp target parallel if(target : argc) if (argc) // expected-error {{expected 'parallel' directive name modifier}} expected-note {{previous clause with directive name modifier specified here}}
  66   foo();
  67   #pragma omp target parallel if(target : argc) if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}} expected-note {{previous clause with directive name modifier specified here}}
  68   foo();
  69
  70   return 0;
  71 }
  72
  73 int main(int argc, char **argv) {
  74   int z;
  75   #pragma omp target parallel if // expected-error {{expected '(' after 'if'}}
  76   foo();
  77   #pragma omp target parallel if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  78   foo();
  79   #pragma omp target parallel if () // expected-error {{expected expression}}
  80   foo();
  81   #pragma omp target parallel if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  82   foo();
  83   #pragma omp target parallel if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
  84   foo();
  85   #pragma omp target parallel if (argc > 0 ? argv[1] : argv[2])
  86   foo();
  87   #pragma omp target parallel if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause}}
  88   foo();
  89   #pragma omp target parallel if (S1) // expected-error {{'S1' does not refer to a value}}
  90   foo();
  91   #pragma omp target parallel if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  92   foo();
  93   #pragma omp target parallel if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  94   foo();
  95   #pragma omp target parallel if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  96   foo();
  97   #pragma omp target parallel if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  98   foo();
  99   #pragma omp target parallel if(target : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 100   foo();
 101   #pragma omp target parallel if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 102   foo();
 103   #pragma omp target parallel if(parallel : argc * z)
 104   foo();
 105   #pragma omp target parallel if(target : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp target parallel'}}
 106   foo();
 107   #pragma omp target parallel if(target : argc) if (target :argc) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause with 'target' name modifier}}
 108   foo();
 109   #pragma omp target parallel if(parallel : argc) if (parallel :argc) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause with 'parallel' name modifier}}
 110   foo();
 111   #pragma omp target parallel if(target : argc) if (argc) // expected-error {{expected 'parallel' directive name modifier}} expected-note {{previous clause with directive name modifier specified here}}
 112   foo();
 113   #pragma omp target parallel if(target : argc) if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}} expected-note {{previous clause with directive name modifier specified here}}
 114   foo();
 115
 116   return tmain(argc, argv);
 117 }