clang/test/OpenMP/target_teams_thread_limit_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -ferror-limit 100 -o - %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -ferror-limit 100 -o - %s -Wuninitialized
   4
   5 void foo() {
   6 }
   7
   8 bool foobool(int argc) {
   9   return argc;
  10 }
  11
  12 struct S1; // expected-note 2 {{declared here}}
  13
  14 template <typename T, int C> // expected-note {{declared here}}
  15 T tmain(T argc) {
  16   char **a;
  17   T z;
  18 #pragma omp target teams thread_limit(C)
  19   foo();
  20 #pragma omp target teams thread_limit(T) // expected-error {{'T' does not refer to a value}}
  21   foo();
  22 #pragma omp target teams thread_limit // expected-error {{expected '(' after 'thread_limit'}}
  23   foo();
  24 #pragma omp target teams thread_limit( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  25   foo();
  26 #pragma omp target teams thread_limit() // expected-error {{expected expression}}
  27   foo();
  28 #pragma omp target teams thread_limit(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  29   foo();
  30 #pragma omp target teams thread_limit(argc)) // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
  31   foo();
  32 #pragma omp target teams thread_limit(argc > 0 ? a[1] : a[2]) // expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
  33   foo();
  34 #pragma omp target teams thread_limit(argc + argc + z)
  35   foo();
  36 #pragma omp target teams thread_limit(argc), thread_limit (argc+1) // expected-error {{directive '#pragma omp target teams' cannot contain more than one 'thread_limit' clause}}
  37   foo();
  38 #pragma omp target teams thread_limit(S1) // expected-error {{'S1' does not refer to a value}}
  39   foo();
  40 #pragma omp target teams thread_limit(-2) // expected-error {{argument to 'thread_limit' clause must be a strictly positive integer value}}
  41   foo();
  42 #pragma omp target teams thread_limit(-10u)
  43   foo();
  44 #pragma omp target teams thread_limit(3.14) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'double'}}
  45   foo();
  46
  47   return 0;
  48 }
  49
  50 int main(int argc, char **argv) {
  51   int z;
  52 #pragma omp target teams thread_limit // expected-error {{expected '(' after 'thread_limit'}}
  53   foo();
  54
  55 #pragma omp target teams thread_limit ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  56   foo();
  57
  58 #pragma omp target teams thread_limit () // expected-error {{expected expression}}
  59   foo();
  60
  61 #pragma omp target teams thread_limit (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  62   foo();
  63
  64 #pragma omp target teams thread_limit (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
  65   foo();
  66
  67 #pragma omp target teams thread_limit (argc > 0 ? argv[1] : argv[2]) // expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
  68   foo();
  69
  70 #pragma omp target teams thread_limit (argc + argc/ z)
  71   foo();
  72
  73 #pragma omp target teams thread_limit (argc), thread_limit (argc+1) // expected-error {{directive '#pragma omp target teams' cannot contain more than one 'thread_limit' clause}}
  74   foo();
  75
  76 #pragma omp target teams thread_limit (S1) // expected-error {{'S1' does not refer to a value}}
  77   foo();
  78
  79 #pragma omp target teams thread_limit (-2) // expected-error {{argument to 'thread_limit' clause must be a strictly positive integer value}}
  80   foo();
  81
  82 #pragma omp target teams thread_limit (-10u)
  83   foo();
  84
  85 #pragma omp target teams thread_limit (3.14) // expected-error {{expression must have integral or unscoped enumeration type, not 'double'}}
  86   foo();
  87
  88   return tmain<int, 10>(argc); // expected-note {{in instantiation of function template specialization 'tmain<int, 10>' requested here}}
  89 }