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