292 lines · cpp
1// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized2// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -DOMP52 %s -Wuninitialized3 4// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized5// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -DOMP52 %s -Wuninitialized6 7extern int omp_default_mem_alloc;8void 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 15namespace X {16 int x;17};18 19struct B {20 static int ib; // expected-note {{'B::ib' declared here}}21 static int bfoo() { return 8; }22};23 24int bfoo() { return 4; }25 26int z;27const int C1 = 1;28const int C2 = 2;29void 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 58template<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 72template<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 82struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}83extern S1 a;84class S2 {85 mutable int a;86public:87 S2():a(0) { }88};89const S2 b; // expected-note 2 {{'b' defined here}}90const S2 ba[5];91class S3 {92 int a;93public:94 S3():a(0) { }95};96const S3 ca[5];97class S4 {98 int a;99 S4();100public:101 S4(int v):a(v) { }102};103class S5 {104 int a;105 S5():a(0) {}106public:107 S5(int v):a(v) { }108};109 110S3 h;111#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}112 113template<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#else150 // 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#endif155 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 parallel165 {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 183namespace A {184double x;185#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}186}187namespace C {188using A::x;189}190 191void 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 205int f;206int 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 parallel255 {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 OMP52260 #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#else262 #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#endif264 for (int k = 0; k < argc; ++k) { ++k; i += 4; }265 }266#ifdef OMP52267 #pragma omp simd linear(j: ref)268#else269 #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#endif271 for (int k = 0; k < argc; ++k) ++k;272#ifdef OMP52273 #pragma omp simd linear(i: step(1), step(2)) // omp52-error {{multiple 'step size' found in linear clause}}274#else275 #pragma omp simd linear(i)276#endif277 for (int k = 0; k < argc; ++k) ++k;278#ifdef OMP52279 #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#endif288 289 foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}290 return 0;291}292