Home | History | Annotate | Download | only in OpenMP
      1 // RUN: %clang_cc1 -verify -fopenmp %s
      2 
      3 void foo() {
      4 }
      5 
      6 bool foobool(int argc) {
      7   return argc;
      8 }
      9 
     10 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
     11 extern S1 a;
     12 class S2 {
     13   mutable int a;
     14 
     15 public:
     16   S2() : a(0) {}
     17   S2(const S2 &s2) : a(s2.a) {}
     18   static float S2s;
     19   static const float S2sc;
     20 };
     21 const float S2::S2sc = 0;
     22 const S2 b;
     23 const S2 ba[5];
     24 class S3 {
     25   int a;
     26   S3 &operator=(const S3 &s3);
     27 
     28 public:
     29   S3() : a(0) {}
     30   S3(const S3 &s3) : a(s3.a) {}
     31 };
     32 const S3 c;
     33 const S3 ca[5];
     34 extern const int f;
     35 class S4 {
     36   int a;
     37   S4();
     38   S4(const S4 &s4); // expected-note 2 {{implicitly declared private here}}
     39 
     40 public:
     41   S4(int v) : a(v) {}
     42 };
     43 class S5 {
     44   int a;
     45   S5(const S5 &s5) : a(s5.a) {} // expected-note 4 {{implicitly declared private here}}
     46 
     47 public:
     48   S5() : a(0) {}
     49   S5(int v) : a(v) {}
     50 };
     51 class S6 {
     52   int a;
     53   S6() : a(0) {}
     54 
     55 public:
     56   S6(const S6 &s6) : a(s6.a) {}
     57   S6(int v) : a(v) {}
     58 };
     59 
     60 S3 h;
     61 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
     62 
     63 template <class I, class C>
     64 int foomain(int argc, char **argv) {
     65   I e(4);
     66   C g(5);
     67   int i;
     68   int &j = i;
     69 #pragma omp parallel
     70 #pragma omp single firstprivate // expected-error {{expected '(' after 'firstprivate'}}
     71   foo();
     72 #pragma omp parallel
     73 #pragma omp single firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
     74   foo();
     75 #pragma omp parallel
     76 #pragma omp single firstprivate() // expected-error {{expected expression}}
     77   foo();
     78 #pragma omp parallel
     79 #pragma omp single firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
     80   foo();
     81 #pragma omp parallel
     82 #pragma omp single firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
     83   foo();
     84 #pragma omp parallel
     85 #pragma omp single firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
     86   foo();
     87 #pragma omp parallel
     88 #pragma omp single firstprivate(argc)
     89   foo();
     90 #pragma omp parallel
     91 #pragma omp single firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
     92   foo();
     93 #pragma omp parallel
     94 #pragma omp single firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
     95   foo();
     96 #pragma omp parallel
     97 #pragma omp single firstprivate(argv[1]) // expected-error {{expected variable name}}
     98   foo();
     99 #pragma omp parallel
    100 #pragma omp single firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
    101   foo();
    102 #pragma omp parallel
    103 #pragma omp single firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
    104   foo();
    105 #pragma omp parallel
    106 #pragma omp single linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp single'}}
    107   foo();
    108 #pragma omp parallel
    109   {
    110     int v = 0;
    111     int i;                         // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp single' directive into a parallel or another task region?}}
    112 #pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
    113     foo();
    114     v += i;
    115   }
    116 #pragma omp parallel shared(i)
    117 #pragma omp parallel private(i)
    118 #pragma omp single firstprivate(j)
    119   foo();
    120 #pragma omp parallel
    121 #pragma omp single firstprivate(i)
    122   foo();
    123 #pragma omp parallel
    124 #pragma omp single firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
    125   foo();
    126 #pragma omp parallel private(i)    // expected-note {{defined as private}}
    127 #pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
    128   foo();
    129 #pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
    130 #pragma omp single firstprivate(i)    // expected-error {{firstprivate variable must be shared}}
    131   foo();
    132   return 0;
    133 }
    134 
    135 namespace A {
    136 double x;
    137 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
    138 }
    139 namespace B {
    140 using A::x;
    141 }
    142 
    143 int main(int argc, char **argv) {
    144   const int d = 5;
    145   const int da[5] = {0};
    146   S4 e(4);
    147   S5 g(5);
    148   S3 m;
    149   S6 n(2);
    150   int i;
    151   int &j = i;
    152 #pragma omp parallel
    153 #pragma omp single firstprivate // expected-error {{expected '(' after 'firstprivate'}}
    154   foo();
    155 #pragma omp parallel
    156 #pragma omp single firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
    157   foo();
    158 #pragma omp parallel
    159 #pragma omp single firstprivate() // expected-error {{expected expression}}
    160   foo();
    161 #pragma omp parallel
    162 #pragma omp single firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
    163   foo();
    164 #pragma omp parallel
    165 #pragma omp single firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
    166   foo();
    167 #pragma omp parallel
    168 #pragma omp single firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
    169   foo();
    170 #pragma omp parallel
    171 #pragma omp single firstprivate(argc)
    172   foo();
    173 #pragma omp parallel
    174 #pragma omp single firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
    175   foo();
    176 #pragma omp parallel
    177 #pragma omp single firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
    178   foo();
    179 #pragma omp parallel
    180 #pragma omp single firstprivate(argv[1]) // expected-error {{expected variable name}}
    181   foo();
    182 #pragma omp parallel
    183 #pragma omp single firstprivate(2 * 2) // expected-error {{expected variable name}}
    184   foo();
    185 #pragma omp parallel
    186 #pragma omp single firstprivate(ba) // OK
    187   foo();
    188 #pragma omp parallel
    189 #pragma omp single firstprivate(ca) // OK
    190   foo();
    191 #pragma omp parallel
    192 #pragma omp single firstprivate(da) // OK
    193   foo();
    194   int xa;
    195 #pragma omp parallel
    196 #pragma omp single firstprivate(xa) // OK
    197   foo();
    198 #pragma omp parallel
    199 #pragma omp single firstprivate(S2::S2s) // OK
    200   foo();
    201 #pragma omp parallel
    202 #pragma omp single firstprivate(S2::S2sc) // OK
    203   foo();
    204 #pragma omp parallel
    205 #pragma omp single safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp single'}}
    206   foo();
    207 #pragma omp parallel
    208 #pragma omp single firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
    209   foo();
    210 #pragma omp parallel
    211 #pragma omp single firstprivate(m) // OK
    212   foo();
    213 #pragma omp parallel
    214 #pragma omp single firstprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be firstprivate}}
    215   foo();
    216 #pragma omp parallel
    217 #pragma omp single private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
    218   foo();
    219 #pragma omp parallel shared(xa)
    220 #pragma omp single firstprivate(xa) // OK: may be firstprivate
    221   foo();
    222 #pragma omp parallel
    223 #pragma omp single firstprivate(j)
    224   foo();
    225 #pragma omp parallel
    226 #pragma omp single firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
    227   foo();
    228 #pragma omp parallel
    229 #pragma omp single firstprivate(n) // OK
    230   foo();
    231 #pragma omp parallel
    232   {
    233     int v = 0;
    234     int i;                         // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp single' directive into a parallel or another task region?}}
    235 #pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
    236     foo();
    237     v += i;
    238   }
    239 #pragma omp parallel private(i)    // expected-note {{defined as private}}
    240 #pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
    241   foo();
    242 #pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
    243 #pragma omp single firstprivate(i)    // expected-error {{firstprivate variable must be shared}}
    244   foo();
    245   static int t;
    246 #pragma omp single firstprivate(t)    // OK
    247   foo();
    248 
    249   return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
    250 }
    251