clang/test/OpenMP/target_update_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 target update to(argc) 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   int n;
  27 #pragma omp target update to(n) if // expected-error {{expected '(' after 'if'}}
  28 #pragma omp target update from(n) if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  29 #pragma omp target update to(n) if () // expected-error {{expected expression}}
  30 #pragma omp target update from(n) if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  31 #pragma omp target update to(n) if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target update' are ignored}}
  32 #pragma omp target update from(n) if (argc > 0 ? argv[1] : argv[2])
  33 #pragma omp target update to(n) if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp target update' cannot contain more than one 'if' clause}}
  34 #pragma omp target update from(n) if (S) // expected-error {{'S' does not refer to a value}}
  35 #pragma omp target update to(n) if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  36 #pragma omp target update from(n) if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  37 #pragma omp target update to(n) if(argc + n)
  38 #pragma omp target update from(n) if(target update // expected-error {{use of undeclared identifier 'target'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  39 #pragma omp target update to(n) if(target update : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  40 #pragma omp target update from(n) if(target update : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  41 #pragma omp target update to(n) if(target update : argc + n)
  42 #pragma omp target update from(n) if(target update : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp target update'}}
  43 #pragma omp target update to(n) if(target update : argc) if (target update:argc) // expected-error {{directive '#pragma omp target update' cannot contain more than one 'if' clause with 'target update' name modifier}}
  44 #pragma omp target update from(n) if(target update : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
  45   return 0;
  46 }
  47
  48 int main(int argc, char **argv) {
  49   int m;
  50 #pragma omp target update to(m) if // expected-error {{expected '(' after 'if'}}
  51 #pragma omp target update from(m) if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  52 #pragma omp target update to(m) if () // expected-error {{expected expression}}
  53 #pragma omp target update from(m) if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  54 #pragma omp target update to(m) if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target update' are ignored}}
  55 #pragma omp target update from(m) if (argc > 0 ? argv[1] : argv[2])
  56 #pragma omp target update to(m) if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp target update' cannot contain more than one 'if' clause}}
  57 #pragma omp target update from(m) if (S1) // expected-error {{'S1' does not refer to a value}}
  58 #pragma omp target update to(m) if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  59 #pragma omp target update from(m) if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  60 #pragma omp target update to(m) if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
  61 #pragma omp target update from(m) if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  62 #pragma omp target update to(m) if(target update // expected-error {{use of undeclared identifier 'target'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  63 #pragma omp target update from(m) if(target update : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  64 #pragma omp target update to(m) if(target update : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  65 #pragma omp target update from(m) if(target update : argc + m)
  66 #pragma omp target update to(m) if(target update : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp target update'}}
  67 #pragma omp target update from(m) if(target update : argc) if (target update:argc)  // expected-error {{directive '#pragma omp target update' cannot contain more than one 'if' clause with 'target update' name modifier}}
  68 #pragma omp target update to(m) if(target update : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
  69   return tmain(argc, argv);
  70 }