clang/test/OpenMP/parallel_for_simd_firstprivate_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
   4
   5 extern int omp_default_mem_alloc;
   6 void foo() {
   7 }
   8
   9 bool foobool(int argc) {
  10   return argc;
  11 }
  12
  13 void xxx(int argc) {
  14   int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
  15 #pragma omp parallel for simd firstprivate(fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
  16   for (int i = 0; i < 10; ++i)
  17     ;
  18 }
  19
  20 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
  21 extern S1 a;
  22 class S2 {
  23   mutable int a;
  24
  25 public:
  26   S2() : a(0) {}
  27   S2(const S2 &s2) : a(s2.a) {}
  28   static float S2s;
  29   static const float S2sc;
  30 };
  31 const float S2::S2sc = 0;
  32 const S2 b;
  33 const S2 ba[5];
  34 class S3 {
  35   int a;
  36   S3 &operator=(const S3 &s3);
  37
  38 public:
  39   S3() : a(0) {}
  40   S3(const S3 &s3) : a(s3.a) {}
  41 };
  42 const S3 c;
  43 const S3 ca[5];
  44 extern const int f;
  45 class S4 {
  46   int a;
  47   S4();
  48   S4(const S4 &s4); // expected-note 2 {{implicitly declared private here}}
  49
  50 public:
  51   S4(int v) : a(v) {}
  52 };
  53 class S5 {
  54   int a;
  55   S5(const S5 &s5) : a(s5.a) {} // expected-note 4 {{implicitly declared private here}}
  56
  57 public:
  58   S5() : a(0) {}
  59   S5(int v) : a(v) {}
  60 };
  61 class S6 {
  62   int a;
  63   S6() : a(0) {}
  64
  65 public:
  66   S6(const S6 &s6) : a(s6.a) {}
  67   S6(int v) : a(v) {}
  68 };
  69
  70 S3 h;
  71 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
  72
  73 template <class I, class C>
  74 int foomain(int argc, char **argv) {
  75   I e(4);
  76   C g(5);
  77   int i, z;
  78   int &j = i;
  79 #pragma omp parallel for simd firstprivate // expected-error {{expected '(' after 'firstprivate'}}
  80   for (int k = 0; k < argc; ++k)
  81     ++k;
  82 #pragma omp parallel for simd firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  83   for (int k = 0; k < argc; ++k)
  84     ++k;
  85 #pragma omp parallel for simd firstprivate() // expected-error {{expected expression}}
  86   for (int k = 0; k < argc; ++k)
  87     ++k;
  88 #pragma omp parallel for simd firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  89   for (int k = 0; k < argc; ++k)
  90     ++k;
  91 #pragma omp parallel for simd firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  92   for (int k = 0; k < argc; ++k)
  93     ++k;
  94 #pragma omp parallel for simd firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
  95   for (int k = 0; k < argc; ++k)
  96     ++k;
  97 #pragma omp parallel for simd firstprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
  98   for (int k = 0; k < argc; ++k)
  99     ++k;
 100 #pragma omp parallel for simd firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
 101   for (int k = 0; k < argc; ++k)
 102     ++k;
 103 #pragma omp parallel for simd firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
 104   for (int k = 0; k < argc; ++k)
 105     ++k;
 106 #pragma omp parallel for simd firstprivate(argv[1]) // expected-error {{expected variable name}}
 107   for (int k = 0; k < argc; ++k)
 108     ++k;
 109 #pragma omp parallel for simd firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
 110   for (int k = 0; k < argc; ++k)
 111     ++k;
 112 #pragma omp parallel for simd firstprivate(h, z) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
 113   for (int k = 0; k < argc; ++k)
 114     ++k;
 115 #pragma omp parallel for simd linear(i)
 116   for (int k = 0; k < argc; ++k)
 117     ++k;
 118   {
 119     int v = 0;
 120     int i;
 121 #pragma omp parallel for simd firstprivate(i)
 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 parallel for simd firstprivate(j)
 130   for (int k = 0; k < argc; ++k)
 131     ++k;
 132 #pragma omp parallel for simd firstprivate(i)
 133   for (int k = 0; k < argc; ++k)
 134     ++k;
 135 #pragma omp parallel for simd lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
 136   for (i = 0; i < argc; ++i)
 137     foo();
 138 #pragma omp parallel private(i)
 139 #pragma omp parallel for simd firstprivate(i) // expected-note 2 {{defined as firstprivate}}
 140   for (i = 0; i < argc; ++i) // expected-error 2 {{loop iteration variable in the associated loop of 'omp parallel for simd' directive may not be firstprivate, predetermined as linear}}
 141     foo();
 142 #pragma omp parallel reduction(+ : i)
 143 #pragma omp parallel for simd firstprivate(i) // expected-note 2 {{defined as firstprivate}}
 144   for (i = 0; i < argc; ++i) // expected-error 2 {{loop iteration variable in the associated loop of 'omp parallel for simd' directive may not be firstprivate, predetermined as linear}}
 145     foo();
 146   return 0;
 147 }
 148
 149 namespace A {
 150 double x;
 151 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 152 }
 153 namespace B {
 154 using A::x;
 155 }
 156
 157 int main(int argc, char **argv) {
 158   const int d = 5;
 159   const int da[5] = {0};
 160   S4 e(4);
 161   S5 g(5);
 162   S3 m;
 163   S6 n(2);
 164   int i, z;
 165   int &j = i;
 166 #pragma omp parallel for simd firstprivate // expected-error {{expected '(' after 'firstprivate'}}
 167   for (i = 0; i < argc; ++i)
 168     foo();
 169 #pragma omp parallel for simd firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 170   for (i = 0; i < argc; ++i)
 171     foo();
 172 #pragma omp parallel for simd firstprivate() // expected-error {{expected expression}}
 173   for (i = 0; i < argc; ++i)
 174     foo();
 175 #pragma omp parallel for simd firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 176   for (i = 0; i < argc; ++i)
 177     foo();
 178 #pragma omp parallel for simd firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 179   for (i = 0; i < argc; ++i)
 180     foo();
 181 #pragma omp parallel for simd firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 182   for (i = 0; i < argc; ++i)
 183     foo();
 184 #pragma omp parallel for simd firstprivate(argc, z)
 185   for (i = 0; i < argc; ++i)
 186     foo();
 187 #pragma omp parallel for simd firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
 188   for (i = 0; i < argc; ++i)
 189     foo();
 190 #pragma omp parallel for simd firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
 191   for (i = 0; i < argc; ++i)
 192     foo();
 193 #pragma omp parallel for simd firstprivate(argv[1]) // expected-error {{expected variable name}}
 194   for (i = 0; i < argc; ++i)
 195     foo();
 196 #pragma omp parallel for simd firstprivate(2 * 2) // expected-error {{expected variable name}}
 197   for (i = 0; i < argc; ++i)
 198     foo();
 199 #pragma omp parallel for simd firstprivate(ba) // OK
 200   for (i = 0; i < argc; ++i)
 201     foo();
 202 #pragma omp parallel for simd firstprivate(ca) // OK
 203   for (i = 0; i < argc; ++i)
 204     foo();
 205 #pragma omp parallel for simd firstprivate(da) // OK
 206   for (i = 0; i < argc; ++i)
 207     foo();
 208   int xa;
 209 #pragma omp parallel for simd firstprivate(xa) // OK
 210   for (i = 0; i < argc; ++i)
 211     foo();
 212 #pragma omp parallel for simd firstprivate(S2::S2s) // OK
 213   for (i = 0; i < argc; ++i)
 214     foo();
 215 #pragma omp parallel for simd firstprivate(S2::S2sc) // OK
 216   for (i = 0; i < argc; ++i)
 217     foo();
 218 #pragma omp parallel for simd safelen(5)
 219   for (i = 0; i < argc; ++i)
 220     foo();
 221 #pragma omp parallel for simd firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
 222   for (i = 0; i < argc; ++i)
 223     foo();
 224 #pragma omp parallel for simd firstprivate(m) // OK
 225   for (i = 0; i < argc; ++i)
 226     foo();
 227 #pragma omp parallel for simd firstprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be firstprivate}}
 228   for (i = 0; i < argc; ++i)
 229     foo();
 230 #pragma omp parallel for simd private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
 231   for (i = 0; i < argc; ++i)
 232     foo();
 233 #pragma omp parallel for simd firstprivate(i) // expected-note {{defined as firstprivate}}
 234   for (i = 0; i < argc; ++i)    // expected-error {{loop iteration variable in the associated loop of 'omp parallel for simd' directive may not be firstprivate, predetermined as linear}}
 235     foo();
 236 #pragma omp parallel for simd firstprivate(xa) // OK: may be firstprivate
 237   for (i = 0; i < argc; ++i)
 238     foo();
 239 #pragma omp parallel for simd firstprivate(j)
 240   for (i = 0; i < argc; ++i)
 241     foo();
 242 #pragma omp parallel for simd lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
 243   for (i = 0; i < argc; ++i)
 244     foo();
 245 #pragma omp parallel for simd lastprivate(n) firstprivate(n) // OK
 246   for (i = 0; i < argc; ++i)
 247     foo();
 248 #pragma omp parallel
 249   {
 250     int v = 0;
 251     int i;
 252 #pragma omp parallel for simd firstprivate(i)
 253     for (int k = 0; k < argc; ++k) {
 254       i = k;
 255       v += i;
 256     }
 257   }
 258 #pragma omp parallel private(i)
 259 #pragma omp parallel for simd firstprivate(i) // expected-note {{defined as firstprivate}}
 260   for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp parallel for simd' directive may not be firstprivate, predetermined as linear}}
 261     foo();
 262 #pragma omp parallel reduction(+ : i)
 263 #pragma omp parallel for simd firstprivate(i)  // expected-note {{defined as firstprivate}}
 264   for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp parallel for simd' directive may not be firstprivate, predetermined as linear}}
 265     foo();
 266   static int si;
 267 #pragma omp parallel for simd firstprivate(si) // OK
 268   for (i = 0; i < argc; ++i)
 269     si = i + 2;
 270
 271   return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
 272 }