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 cannot 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 } 292