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      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) {} // expected-note 2 {{candidate constructor not viable: requires 0 arguments, but 1 was provided}}
     30   S3(S3 &s3) : a(s3.a) {} // expected-note 2 {{candidate constructor not viable: 1st argument ('const S3') would lose const qualifier}}
     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 for firstprivate // expected-error {{expected '(' after 'firstprivate'}}
     71   for (int k = 0; k < argc; ++k)
     72     ++k;
     73 #pragma omp parallel
     74 #pragma omp for firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
     75   for (int k = 0; k < argc; ++k)
     76     ++k;
     77 #pragma omp parallel
     78 #pragma omp for firstprivate() // expected-error {{expected expression}}
     79   for (int k = 0; k < argc; ++k)
     80     ++k;
     81 #pragma omp parallel
     82 #pragma omp for firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
     83   for (int k = 0; k < argc; ++k)
     84     ++k;
     85 #pragma omp parallel
     86 #pragma omp for firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
     87   for (int k = 0; k < argc; ++k)
     88     ++k;
     89 #pragma omp parallel
     90 #pragma omp for firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
     91   for (int k = 0; k < argc; ++k)
     92     ++k;
     93 #pragma omp parallel
     94 #pragma omp for firstprivate(argc)
     95   for (int k = 0; k < argc; ++k)
     96     ++k;
     97 #pragma omp parallel
     98 #pragma omp for firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
     99   for (int k = 0; k < argc; ++k)
    100     ++k;
    101 #pragma omp parallel
    102 #pragma omp for firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
    103   for (int k = 0; k < argc; ++k)
    104     ++k;
    105 #pragma omp parallel
    106 #pragma omp for firstprivate(argv[1]) // expected-error {{expected variable name}}
    107   for (int k = 0; k < argc; ++k)
    108     ++k;
    109 #pragma omp parallel
    110 #pragma omp for firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
    111   for (int k = 0; k < argc; ++k)
    112     ++k;
    113 #pragma omp parallel
    114 #pragma omp for firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
    115   for (int k = 0; k < argc; ++k)
    116     ++k;
    117 #pragma omp parallel
    118   {
    119     int v = 0;
    120     int i;                      // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp for' directive into a parallel or another task region?}}
    121 #pragma omp for firstprivate(i) // expected-error {{firstprivate variable must be shared}}
    122     for (int k = 0; k < argc; ++k) {
    123       i = k;
    124       v += i;
    125     }
    126   }
    127 #pragma omp parallel shared(i)
    128 #pragma omp parallel private(i)
    129 #pragma omp for firstprivate(j)
    130   for (int k = 0; k < argc; ++k)
    131     ++k;
    132 #pragma omp parallel
    133 #pragma omp for firstprivate(i)
    134   for (int k = 0; k < argc; ++k)
    135     ++k;
    136 #pragma omp parallel
    137 #pragma omp for lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
    138   for (i = 0; i < argc; ++i)
    139     foo();
    140 #pragma omp parallel private(i) // expected-note {{defined as private}}
    141 #pragma omp for firstprivate(i) // expected-error {{firstprivate variable must be shared}}
    142   for (i = 0; i < argc; ++i)
    143     foo();
    144 #pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
    145 #pragma omp for firstprivate(i)       // expected-error {{firstprivate variable must be shared}}
    146   for (int k = 0; k < argc; ++k)
    147     foo();
    148   return 0;
    149 }
    150 
    151 void bar(S4 a[2]) {
    152 #pragma omp parallel
    153 #pragma omp for firstprivate(a)
    154   for (int i = 0; i < 2; ++i)
    155     foo();
    156 }
    157 
    158 namespace A {
    159 double x;
    160 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
    161 }
    162 namespace B {
    163 using A::x;
    164 }
    165 
    166 int main(int argc, char **argv) {
    167   const int d = 5;
    168   const int da[5] = {0};
    169   S4 e(4);
    170   S5 g(5);
    171   S3 m;
    172   S6 n(2);
    173   int i;
    174   int &j = i;
    175 #pragma omp parallel
    176 #pragma omp for firstprivate // expected-error {{expected '(' after 'firstprivate'}}
    177   for (i = 0; i < argc; ++i)
    178     foo();
    179 #pragma omp parallel
    180 #pragma omp for firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
    181   for (i = 0; i < argc; ++i)
    182     foo();
    183 #pragma omp parallel
    184 #pragma omp for firstprivate() // expected-error {{expected expression}}
    185   for (i = 0; i < argc; ++i)
    186     foo();
    187 #pragma omp parallel
    188 #pragma omp for firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
    189   for (i = 0; i < argc; ++i)
    190     foo();
    191 #pragma omp parallel
    192 #pragma omp for firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
    193   for (i = 0; i < argc; ++i)
    194     foo();
    195 #pragma omp parallel
    196 #pragma omp for firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
    197   for (i = 0; i < argc; ++i)
    198     foo();
    199 #pragma omp parallel
    200 #pragma omp for firstprivate(argc)
    201   for (i = 0; i < argc; ++i)
    202     foo();
    203 #pragma omp parallel
    204 #pragma omp for firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
    205   for (i = 0; i < argc; ++i)
    206     foo();
    207 #pragma omp parallel
    208 #pragma omp for firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}} expected-error {{no matching constructor for initialization of 'S3'}}
    209   for (i = 0; i < argc; ++i)
    210     foo();
    211 #pragma omp parallel
    212 #pragma omp for firstprivate(argv[1]) // expected-error {{expected variable name}}
    213   for (i = 0; i < argc; ++i)
    214     foo();
    215 #pragma omp parallel
    216 #pragma omp for firstprivate(2 * 2) // expected-error {{expected variable name}}
    217   for (i = 0; i < argc; ++i)
    218     foo();
    219 #pragma omp parallel
    220 #pragma omp for firstprivate(ba) // OK
    221   for (i = 0; i < argc; ++i)
    222     foo();
    223 #pragma omp parallel
    224 #pragma omp for firstprivate(ca) // expected-error {{no matching constructor for initialization of 'S3'}}
    225   for (i = 0; i < argc; ++i)
    226     foo();
    227 #pragma omp parallel
    228 #pragma omp for firstprivate(da) // OK
    229   for (i = 0; i < argc; ++i)
    230     foo();
    231   int xa;
    232 #pragma omp parallel
    233 #pragma omp for firstprivate(xa) // OK
    234   for (i = 0; i < argc; ++i)
    235     foo();
    236 #pragma omp parallel
    237 #pragma omp for firstprivate(S2::S2s) // OK
    238   for (i = 0; i < argc; ++i)
    239     foo();
    240 #pragma omp parallel
    241 #pragma omp for firstprivate(S2::S2sc) // OK
    242   for (i = 0; i < argc; ++i)
    243     foo();
    244 #pragma omp parallel
    245 #pragma omp for safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp for'}}
    246   for (i = 0; i < argc; ++i)
    247     foo();
    248 #pragma omp parallel
    249 #pragma omp for firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
    250   for (i = 0; i < argc; ++i)
    251     foo();
    252 #pragma omp parallel
    253 #pragma omp for firstprivate(m) // OK
    254   for (i = 0; i < argc; ++i)
    255     foo();
    256 #pragma omp parallel
    257 #pragma omp for firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
    258   for (i = 0; i < argc; ++i)
    259     foo();
    260 #pragma omp parallel
    261 #pragma omp for private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
    262   for (i = 0; i < argc; ++i)
    263     foo();
    264 #pragma omp parallel
    265 #pragma omp for firstprivate(i) // expected-note {{defined as firstprivate}}
    266   for (i = 0; i < argc; ++i)    // expected-error {{loop iteration variable in the associated loop of 'omp for' directive may not be firstprivate, predetermined as private}}
    267     foo();
    268 #pragma omp parallel shared(xa)
    269 #pragma omp for firstprivate(xa) // OK: may be firstprivate
    270   for (i = 0; i < argc; ++i)
    271     foo();
    272 #pragma omp parallel
    273 #pragma omp for firstprivate(j)
    274   for (i = 0; i < argc; ++i)
    275     foo();
    276 #pragma omp parallel
    277 #pragma omp for lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
    278   for (i = 0; i < argc; ++i)
    279     foo();
    280 #pragma omp parallel
    281 #pragma omp for lastprivate(n) firstprivate(n) // OK
    282   for (i = 0; i < argc; ++i)
    283     foo();
    284 #pragma omp parallel
    285   {
    286     int v = 0;
    287     int i;                      // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp for' directive into a parallel or another task region?}}
    288 #pragma omp for firstprivate(i) // expected-error {{firstprivate variable must be shared}}
    289     for (int k = 0; k < argc; ++k) {
    290       i = k;
    291       v += i;
    292     }
    293   }
    294 #pragma omp parallel private(i) // expected-note {{defined as private}}
    295 #pragma omp for firstprivate(i) // expected-error {{firstprivate variable must be shared}}
    296   for (i = 0; i < argc; ++i)
    297     foo();
    298 #pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
    299 #pragma omp for firstprivate(i)       // expected-error {{firstprivate variable must be shared}}
    300   for (i = 0; i < argc; ++i)
    301     foo();
    302 #pragma omp parallel
    303 #pragma omp for firstprivate(B::x) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
    304   for (i = 0; i < argc; ++i)
    305     foo();
    306   static int si;
    307 #pragma omp for firstprivate(si) // OK
    308   for (i = 0; i < argc; ++i)
    309     si = i + 1;
    310 
    311   return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
    312 }
    313 
    314