clang/test/OpenMP/master_taskloop_simd_linear_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
   2 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -DOMP52 %s -Wuninitialized
   3
   4 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
   5 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -DOMP52 %s -Wuninitialized
   6
   7 typedef void **omp_allocator_handle_t;
   8 extern const omp_allocator_handle_t omp_null_allocator;
   9 extern const omp_allocator_handle_t omp_default_mem_alloc;
  10 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
  11 extern const omp_allocator_handle_t omp_const_mem_alloc;
  12 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
  13 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
  14 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
  15 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
  16 extern const omp_allocator_handle_t omp_thread_mem_alloc;
  17
  18 void xxx(int argc) {
  19   int i, lin, step_sz; // expected-note {{initialize the variable 'lin' to silence this warning}} expected-note {{initialize the variable 'step_sz' to silence this warning}}
  20 #pragma omp master taskloop simd linear(i, lin : step_sz) // expected-warning {{variable 'lin' is uninitialized when used here}} expected-warning {{variable 'step_sz' is uninitialized when used here}}
  21   for (i = 0; i < 10; ++i)
  22     ;
  23 }
  24
  25 namespace X {
  26   int x;
  27 };
  28
  29 struct B {
  30   static int ib; // expected-note {{'B::ib' declared here}}
  31   static int bfoo() { return 8; }
  32 };
  33
  34 int bfoo() { return 4; }
  35
  36 int z;
  37 const int C1 = 1;
  38 const int C2 = 2;
  39 void test_linear_colons()
  40 {
  41   int B = 0;
  42   #pragma omp master taskloop simd linear(B:bfoo())
  43   for (int i = 0; i < 10; ++i) ;
  44   // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
  45   #pragma omp master taskloop simd linear(B::ib:B:bfoo())
  46   for (int i = 0; i < 10; ++i) ;
  47   // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
  48   #pragma omp master taskloop simd linear(B:ib)
  49   for (int i = 0; i < 10; ++i) ;
  50   // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
  51   #pragma omp master taskloop simd linear(z:B:ib)
  52   for (int i = 0; i < 10; ++i) ;
  53   #pragma omp master taskloop simd linear(B:B::bfoo())
  54   for (int i = 0; i < 10; ++i) ;
  55   #pragma omp master taskloop simd linear(X::x : ::z)
  56   for (int i = 0; i < 10; ++i) ;
  57   #pragma omp master taskloop simd linear(B,::z, X::x)
  58   for (int i = 0; i < 10; ++i) ;
  59   #pragma omp master taskloop simd linear(::z)
  60   for (int i = 0; i < 10; ++i) ;
  61   // expected-error@+1 {{expected variable name}}
  62   #pragma omp master taskloop simd linear(B::bfoo())
  63   for (int i = 0; i < 10; ++i) ;
  64   #pragma omp master taskloop simd linear(B::ib,B:C1+C2)
  65   for (int i = 0; i < 10; ++i) ;
  66 }
  67
  68 template<int L, class T, class N> T test_template(T* arr, N num) {
  69   N i;
  70   T sum = (T)0;
  71   T ind2 = - num * L; // expected-note {{'ind2' defined here}}
  72   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
  73 #pragma omp master taskloop simd linear(ind2:L)
  74   for (i = 0; i < num; ++i) {
  75     T cur = arr[(int)ind2];
  76     ind2 += L;
  77     sum += cur;
  78   }
  79   return T();
  80 }
  81
  82 template<int LEN> int test_warn() {
  83   int ind2 = 0;
  84   // expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
  85   #pragma omp master taskloop simd linear(ind2:LEN)
  86   for (int i = 0; i < 100; i++) {
  87     ind2 += LEN;
  88   }
  89   return ind2;
  90 }
  91
  92 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
  93 extern S1 a;
  94 class S2 {
  95   mutable int a;
  96 public:
  97   S2():a(0) { }
  98 };
  99 const S2 b; // expected-note 2 {{'b' defined here}}
 100 const S2 ba[5];
 101 class S3 {
 102   int a;
 103 public:
 104   S3():a(0) { }
 105 };
 106 const S3 ca[5];
 107 class S4 {
 108   int a;
 109   S4();
 110 public:
 111   S4(int v):a(v) { }
 112 };
 113 class S5 {
 114   int a;
 115   S5():a(0) {}
 116 public:
 117   S5(int v):a(v) { }
 118 };
 119
 120 S3 h;
 121 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 122
 123 template<class I, class C> int foomain(I argc, C **argv) {
 124   I e(4);
 125   I g(5);
 126   int i, z;
 127   int &j = i;
 128   #pragma omp master taskloop simd linear // expected-error {{expected '(' after 'linear'}}
 129   for (int k = 0; k < argc; ++k) ++k;
 130   #pragma omp master taskloop simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 131   for (int k = 0; k < argc; ++k) ++k;
 132   #pragma omp master taskloop simd linear (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 133   for (int k = 0; k < argc; ++k) ++k;
 134   #pragma omp master taskloop simd linear (uval( // expected-error {{expected expression}} expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 135   for (int k = 0; k < argc; ++k) ++k;
 136   #pragma omp master taskloop simd linear (ref() // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 137   for (int k = 0; k < argc; ++k) ++k;
 138   #pragma omp master taskloop simd linear (foo() // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 139   for (int k = 0; k < argc; ++k) ++k;
 140   #pragma omp master taskloop simd linear () // expected-error {{expected expression}}
 141   for (int k = 0; k < argc; ++k) ++k;
 142   #pragma omp master taskloop simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 143   for (int k = 0; k < argc; ++k) ++k;
 144   #pragma omp master taskloop simd linear (val argc // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 145   for (int k = 0; k < argc; ++k) ++k;
 146   #pragma omp master taskloop simd linear (val(argc, // expected-error {{expected expression}} expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 147   for (int k = 0; k < argc; ++k) ++k;
 148   #pragma omp master taskloop simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 149   for (int k = 0; k < argc; ++k) ++k;
 150   #pragma omp master taskloop simd linear (argc : 5) 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 '('}}
 151   for (int k = 0; k < argc; ++k) ++k;
 152   #pragma omp master taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
 153   for (int k = 0; k < argc; ++k) ++k;
 154 #if defined(OMP52)
 155   // omp52-error@+3{{step simple modifier is exclusive and cannot be use with 'val', 'uval' or 'ref' modifier}}
 156   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
 157   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
 158   #pragma omp master taskloop simd linear (a, b: val, B::ib)
 159 #else
 160   // omp52-error@+3 {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 161   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
 162   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
 163   #pragma omp master taskloop simd linear (val(a, b):B::ib)
 164 #endif
 165   for (int k = 0; k < argc; ++k) ++k;
 166   #pragma omp master taskloop simd linear (argv[1]) // expected-error {{expected variable name}}
 167   for (int k = 0; k < argc; ++k) ++k;
 168   #pragma omp master taskloop simd linear(ref(e, g)) // expected-error 2 {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'ref'}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 169   for (int k = 0; k < argc; ++k) ++k;
 170   #pragma omp master taskloop simd linear(h, z) // expected-error {{threadprivate or thread local variable cannot be linear}}
 171   for (int k = 0; k < argc; ++k) ++k;
 172   #pragma omp master taskloop simd linear(uval(i)) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 173   for (int k = 0; k < argc; ++k) ++k;
 174   #pragma omp parallel
 175   {
 176     int v = 0;
 177     int i;
 178     #pragma omp master taskloop simd allocate(omp_thread_mem_alloc: v) linear(v:i) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'master taskloop simd' directive}}
 179     for (int k = 0; k < argc; ++k) { i = k; v += i; }
 180   }
 181   #pragma omp master taskloop simd linear(ref(j)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 182   for (int k = 0; k < argc; ++k) ++k;
 183   #pragma omp master taskloop simd linear(uval(j)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 184   for (int k = 0; k < argc; ++k) ++k;
 185   int v = 0;
 186   #pragma omp master taskloop simd linear(v:j)
 187   for (int k = 0; k < argc; ++k) { ++k; v += j; }
 188   #pragma omp master taskloop simd linear(i)
 189   for (int k = 0; k < argc; ++k) ++k;
 190   return 0;
 191 }
 192
 193 namespace A {
 194 double x;
 195 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 196 }
 197 namespace C {
 198 using A::x;
 199 }
 200
 201 void linear_modifiers(int argc) {
 202   int &f = argc;
 203   #pragma omp master taskloop simd linear(f)
 204   for (int k = 0; k < argc; ++k) ++k;
 205   #pragma omp master taskloop simd linear(val(f)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 206   for (int k = 0; k < argc; ++k) ++k;
 207   #pragma omp master taskloop simd linear(uval(f)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 208   for (int k = 0; k < argc; ++k) ++k;
 209   #pragma omp master taskloop simd linear(ref(f)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 210   for (int k = 0; k < argc; ++k) ++k;
 211   #pragma omp master taskloop simd linear(foo(f)) // expected-error {{expected one of 'ref', val' or 'uval' modifiers}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 212   for (int k = 0; k < argc; ++k) ++k;
 213 }
 214
 215 int f;
 216 int main(int argc, char **argv) {
 217   double darr[100];
 218   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
 219   test_template<-4>(darr, 4);
 220   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
 221   test_warn<0>();
 222
 223   S4 e(4); // expected-note {{'e' defined here}}
 224   S5 g(5); // expected-note {{'g' defined here}}
 225   int i, z;
 226   int &j = i;
 227   #pragma omp master taskloop simd linear(f) linear(f) // expected-error {{linear variable cannot be linear}} expected-note {{defined as linear}}
 228   for (int k = 0; k < argc; ++k) ++k;
 229   #pragma omp master taskloop simd linear // expected-error {{expected '(' after 'linear'}}
 230   for (int k = 0; k < argc; ++k) ++k;
 231   #pragma omp master taskloop simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 232   for (int k = 0; k < argc; ++k) ++k;
 233   #pragma omp master taskloop simd linear () // expected-error {{expected expression}}
 234   for (int k = 0; k < argc; ++k) ++k;
 235   #pragma omp master taskloop simd linear (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 236   for (int k = 0; k < argc; ++k) ++k;
 237   #pragma omp master taskloop simd linear (ref()) // expected-error {{expected expression}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 238   for (int k = 0; k < argc; ++k) ++k;
 239   #pragma omp master taskloop simd linear (foo()) // expected-error {{expected expression}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 240   for (int k = 0; k < argc; ++k) ++k;
 241   #pragma omp master taskloop simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 242   for (int k = 0; k < argc; ++k) ++k;
 243   #pragma omp master taskloop simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 244   for (int k = 0; k < argc; ++k) ++k;
 245   #pragma omp master taskloop simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 246   for (int k = 0; k < argc; ++k) ++k;
 247   #pragma omp master taskloop simd linear (argc, z)
 248   for (int k = 0; k < argc; ++k) ++k;
 249   #pragma omp master taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
 250   for (int k = 0; k < argc; ++k) ++k;
 251   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
 252   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
 253   #pragma omp master taskloop simd linear(a, b)
 254   for (int k = 0; k < argc; ++k) ++k;
 255   #pragma omp master taskloop simd linear (argv[1]) // expected-error {{expected variable name}}
 256   for (int k = 0; k < argc; ++k) ++k;
 257   // omp52-error@+3 {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 258   // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
 259   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
 260   #pragma omp master taskloop simd linear(val(e, g))
 261   for (int k = 0; k < argc; ++k) ++k;
 262   #pragma omp master taskloop simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
 263   for (int k = 0; k < argc; ++k) ++k;
 264   #pragma omp parallel
 265   {
 266     int i;
 267     #pragma omp master taskloop simd linear(val(i)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 268     for (int k = 0; k < argc; ++k) ++k;
 269 #ifdef OMP52
 270     #pragma omp master taskloop simd linear(i : uval, step(4)) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}
 271 #else
 272     #pragma omp master taskloop simd linear(uval(i) : 4) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 273 #endif
 274     for (int k = 0; k < argc; ++k) { ++k; i += 4; }
 275   }
 276 #ifdef OMP52
 277   #pragma omp master taskloop simd linear(j: ref)
 278 #else
 279   #pragma omp master taskloop simd linear(ref(j)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
 280 #endif
 281   for (int k = 0; k < argc; ++k) ++k;
 282 #ifdef OMP52
 283   #pragma omp master taskloop simd linear(i: step(1), step(2)) // omp52-error {{multiple 'step size' found in linear clause}}
 284 #else
 285   #pragma omp master taskloop simd linear(i)
 286 #endif
 287   for (int k = 0; k < argc; ++k) ++k;
 288 #ifdef OMP52
 289   #pragma omp master taskloop simd linear(i: val, val) // omp52-error {{multiple 'linear modifier' found in linear clause}}
 290   for (int k = 0; k < argc; ++k) ++k;
 291   #pragma omp master taskloop simd linear(j: step()) // omp52-error 2 {{expected expression}}
 292   for (int k = 0; k < argc; ++k) ++k;
 293   #pragma omp master taskloop simd linear(j: pval) // omp52-error {{use of undeclared identifier 'pval'}}
 294   for (int k = 0; k < argc; ++k) ++k;
 295   #pragma omp master taskloop simd linear(i: val, step(2 // omp52-error {{expected ')' or ',' after 'step expression'}} omp52-error 2 {{expected ')'}}  omp52-note 2 {{to match this '('}}
 296   for (int k = 0; k < argc; ++k) ++k;
 297 #endif
 298
 299   foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
 300   return 0;
 301 }
 302