clang/test/OpenMP/requires_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100  %s -Wuninitialized
   2 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=99 -DOMP99 -verify=expected,rev -ferror-limit 100  %s -Wuninitialized
   3
   4 int a;
   5 #pragma omp requires unified_address allocate(a) // rev-note {{unified_address clause previously used here}} expected-note {{unified_address clause previously used here}} expected-note {{unified_address clause previously used here}} expected-note {{unified_address clause previously used here}} expected-note {{unified_address clause previously used here}} expected-note{{unified_address clause previously used here}} expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp requires'}}
   6
   7 #pragma omp requires unified_shared_memory // rev-note {{unified_shared_memory clause previously used here}} expected-note{{unified_shared_memory clause previously used here}}
   8
   9 #pragma omp requires unified_shared_memory, unified_shared_memory // expected-error {{only one unified_shared_memory clause can appear on a requires directive in a single translation unit}} expected-error {{directive '#pragma omp requires' cannot contain more than one 'unified_shared_memory' clause}}
  10
  11 #pragma omp requires unified_address // expected-error {{only one unified_address clause can appear on a requires directive in a single translation unit}}
  12
  13 #pragma omp requires unified_address, unified_address // expected-error {{only one unified_address clause can appear on a requires directive in a single translation unit}} expected-error {{directive '#pragma omp requires' cannot contain more than one 'unified_address' clause}}
  14
  15 #ifdef OMP99
  16 #pragma omp requires reverse_offload // rev-note {{reverse_offload clause previously used here}} rev-note {{reverse_offload clause previously used here}}
  17
  18 #pragma omp requires reverse_offload, reverse_offload // rev-error {{only one reverse_offload clause can appear on a requires directive in a single translation unit}} rev-error {{directive '#pragma omp requires' cannot contain more than one 'reverse_offload' clause}}
  19 #endif
  20
  21 #pragma omp requires dynamic_allocators // rev-note {{dynamic_allocators clause previously used here}} expected-note {{dynamic_allocators clause previously used here}}
  22
  23 #pragma omp requires dynamic_allocators, dynamic_allocators // expected-error {{only one dynamic_allocators clause can appear on a requires directive in a single translation unit}} expected-error {{directive '#pragma omp requires' cannot contain more than one 'dynamic_allocators' clause}}
  24
  25 #pragma omp requires atomic_default_mem_order(seq_cst) // rev-note {{atomic_default_mem_order clause previously used here}} expected-note {{atomic_default_mem_order clause previously used here}} expected-note {{atomic_default_mem_order clause previously used here}} expected-note {{atomic_default_mem_order clause previously used here}} expected-note {{atomic_default_mem_order clause previously used here}}
  26
  27 #pragma omp requires atomic_default_mem_order(acq_rel) // expected-error {{only one atomic_default_mem_order clause can appear on a requires directive in a single translation unit}}
  28
  29 #pragma omp requires atomic_default_mem_order(relaxed) // expected-error {{only one atomic_default_mem_order clause can appear on a requires directive in a single translation unit}}
  30
  31 #pragma omp requires atomic_default_mem_order // expected-error {{expected '(' after 'atomic_default_mem_order'}} expected-error {{expected at least one clause on '#pragma omp requires' directive}}
  32
  33 #pragma omp requires atomic_default_mem_order( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected 'seq_cst', 'acq_rel' or 'relaxed' in OpenMP clause 'atomic_default_mem_order'}} expected-error {{expected at least one clause on '#pragma omp requires' directive}}
  34
  35 #pragma omp requires atomic_default_mem_order(seq_cst // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{only one atomic_default_mem_order clause can appear on a requires directive in a single translation unit}}
  36
  37 #pragma omp requires atomic_default_mem_order(invalid_modifier) // expected-error {{expected 'seq_cst', 'acq_rel' or 'relaxed' in OpenMP clause 'atomic_default_mem_order'}} expected-error {{expected at least one clause on '#pragma omp requires' directive}}
  38
  39 #pragma omp requires atomic_default_mem_order(shared) // expected-error {{expected 'seq_cst', 'acq_rel' or 'relaxed' in OpenMP clause 'atomic_default_mem_order'}} expected-error {{expected at least one clause on '#pragma omp requires' directive}}
  40
  41 #pragma omp requires atomic_default_mem_order(acq_rel), atomic_default_mem_order(relaxed) // expected-error {{directive '#pragma omp requires' cannot contain more than one 'atomic_default_mem_order' claus}} expected-error {{only one atomic_default_mem_order clause can appear on a requires directive in a single translation unit}}
  42
  43 #pragma omp requires // expected-error {{expected at least one clause on '#pragma omp requires' directive}}
  44
  45 #pragma omp requires invalid_clause // expected-warning {{extra tokens at the end of '#pragma omp requires' are ignored}} expected-error {{expected at least one clause on '#pragma omp requires' directive}}
  46
  47 #pragma omp requires nowait // expected-error {{unexpected OpenMP clause 'nowait' in directive '#pragma omp requires'}} expected-error {{expected at least one clause on '#pragma omp requires' directive}}
  48
  49 #pragma omp requires unified_address, invalid_clause // expected-warning {{extra tokens at the end of '#pragma omp requires' are ignored}} expected-error {{only one unified_address clause can appear on a requires directive in a single translation unit}}
  50
  51 #pragma omp requires invalid_clause unified_address // expected-warning {{extra tokens at the end of '#pragma omp requires' are ignored}} expected-error {{expected at least one clause on '#pragma omp requires' directive}}
  52
  53 #ifdef OMP99
  54 #pragma omp requires unified_shared_memory, unified_address, reverse_offload, dynamic_allocators, atomic_default_mem_order(seq_cst) // rev-error {{only one unified_shared_memory clause can appear on a requires directive in a single translation unit}} rev-error{{only one unified_address clause can appear on a requires directive in a single translation unit}} rev-error{{only one reverse_offload clause can appear on a requires directive in a single translation unit}} rev-error{{only one dynamic_allocators clause can appear on a requires directive in a single translation unit}} rev-error {{only one atomic_default_mem_order clause can appear on a requires directive in a single translation unit}}
  55 #endif
  56
  57 namespace A {
  58   #pragma omp requires unified_address // expected-error {{only one unified_address clause can appear on a requires directive in a single translation unit}}
  59   namespace B {
  60     #pragma omp requires unified_address // expected-error {{only one unified_address clause can appear on a requires directive in a single translation unit}}
  61   }
  62 }
  63
  64 template <typename T> T foo() {
  65   #pragma omp requires unified_address // expected-error {{unexpected OpenMP directive '#pragma omp requires'}}
  66 }
  67
  68 class C {
  69   #pragma omp requires unified_address // expected-error {{'#pragma omp requires' directive must appear only in file scope}}
  70 };
  71
  72 int main() {
  73   #pragma omp requires unified_address // expected-error {{unexpected OpenMP directive '#pragma omp requires'}}
  74 }