249 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;8 9void xxx(int argc) {10 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}}11#pragma omp for 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}}12 for (i = 0; i < 10; ++i)13 ;14}15 16namespace X {17 int x;18};19 20struct B {21 static int ib; // expected-note {{'B::ib' declared here}}22 static int bfoo() { return 8; }23};24 25int bfoo() { return 4; }26 27int z;28const int C1 = 1;29const int C2 = 2;30void test_linear_colons()31{32 int B = 0;33 #pragma omp for simd linear(B:bfoo())34 for (int i = 0; i < 10; ++i) ;35 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}36 #pragma omp for simd linear(B::ib:B:bfoo())37 for (int i = 0; i < 10; ++i) ;38 // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}39 #pragma omp for simd linear(B:ib)40 for (int i = 0; i < 10; ++i) ;41 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}42 #pragma omp for simd linear(z:B:ib)43 for (int i = 0; i < 10; ++i) ;44 #pragma omp for simd linear(B:B::bfoo())45 for (int i = 0; i < 10; ++i) ;46 #pragma omp for simd linear(X::x : ::z)47 for (int i = 0; i < 10; ++i) ;48 #pragma omp for simd linear(B,::z, X::x)49 for (int i = 0; i < 10; ++i) ;50 #pragma omp for simd linear(::z)51 for (int i = 0; i < 10; ++i) ;52 // expected-error@+1 {{expected variable name}}53 #pragma omp for simd linear(B::bfoo())54 for (int i = 0; i < 10; ++i) ;55 #pragma omp for simd linear(B::ib,B:C1+C2)56 for (int i = 0; i < 10; ++i) ;57}58 59template<int L, class T, class N> T test_template(T* arr, N num) {60 N i;61 T sum = (T)0;62 T ind2 = - num * L; // expected-note {{'ind2' defined here}}63 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}64#pragma omp for simd linear(ind2:L)65 for (i = 0; i < num; ++i) {66 T cur = arr[(int)ind2];67 ind2 += L;68 sum += cur;69 }70 return T();71}72 73template<int LEN> int test_warn() {74 int ind2 = 0;75 // expected-warning@+1 {{zero linear step ('ind2' should probably be const)}}76 #pragma omp for simd linear(ind2:LEN)77 for (int i = 0; i < 100; i++) {78 ind2 += LEN;79 }80 return ind2;81}82 83struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}84extern S1 a;85class S2 {86 mutable int a;87public:88 S2():a(0) { }89};90const S2 b; // expected-note 2 {{'b' defined here}}91const S2 ba[5];92class S3 {93 int a;94public:95 S3():a(0) { }96};97const S3 ca[5];98class S4 {99 int a;100 S4();101public:102 S4(int v):a(v) { }103};104class S5 {105 int a;106 S5():a(0) {}107public:108 S5(int v):a(v) { }109};110 111S3 h;112#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}113 114template<class I, class C> int foomain(I argc, C **argv) {115 I e(4);116 I g(5);117 int i;118 int &j = i;119 #pragma omp for simd linear // expected-error {{expected '(' after 'linear'}}120 for (int k = 0; k < argc; ++k) ++k;121 #pragma omp for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}122 for (int k = 0; k < argc; ++k) ++k;123 #pragma omp for simd linear () // expected-error {{expected expression}}124 for (int k = 0; k < argc; ++k) ++k;125 #pragma omp for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}126 for (int k = 0; k < argc; ++k) ++k;127 #pragma omp for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}128 for (int k = 0; k < argc; ++k) ++k;129 #pragma omp for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}130 for (int k = 0; k < argc; ++k) ++k;131 #pragma omp for 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 '('}}132 for (int k = 0; k < argc; ++k) ++k;133 #pragma omp for simd linear (S1) // expected-error {{'S1' does not refer to a value}}134 for (int k = 0; k < argc; ++k) ++k;135 // expected-error@+2 {{linear variable with incomplete type 'S1'}}136 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}137 #pragma omp for simd linear (a, b:B::ib)138 for (int k = 0; k < argc; ++k) ++k;139 #pragma omp for simd linear (argv[1]) // expected-error {{expected variable name}}140 for (int k = 0; k < argc; ++k) ++k;141 #pragma omp for simd linear(e, g)142 for (int k = 0; k < argc; ++k) ++k;143 #pragma omp for simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}144 for (int k = 0; k < argc; ++k) ++k;145 #pragma omp for simd linear(i)146 for (int k = 0; k < argc; ++k) ++k;147 #pragma omp parallel148 {149 int v = 0;150 long z;151 int i;152 #pragma omp for simd linear(z, v:i)153 for (int k = 0; k < argc; ++k) { i = k; v += i; }154 }155 #pragma omp for simd linear(j)156 for (int k = 0; k < argc; ++k) ++k;157 int v = 0;158 #pragma omp for simd linear(v:j)159 for (int k = 0; k < argc; ++k) { ++k; v += j; }160 #pragma omp for simd linear(i)161 for (int k = 0; k < argc; ++k) ++k;162 return 0;163}164 165namespace A {166double x;167#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}168}169namespace C {170using A::x;171}172 173int main(int argc, char **argv) {174 double darr[100];175 // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}176 test_template<-4>(darr, 4);177 // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}178 test_warn<0>();179 180 S4 e(4); // expected-note {{'e' defined here}}181 S5 g(5); // expected-note {{'g' defined here}}182 int i;183 int &j = i;184 #pragma omp for simd linear // expected-error {{expected '(' after 'linear'}}185 for (int k = 0; k < argc; ++k) ++k;186 #pragma omp for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}187 for (int k = 0; k < argc; ++k) ++k;188 #pragma omp for simd linear () // expected-error {{expected expression}}189 for (int k = 0; k < argc; ++k) ++k;190 #pragma omp for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}191 for (int k = 0; k < argc; ++k) ++k;192 #pragma omp for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}193 for (int k = 0; k < argc; ++k) ++k;194 #pragma omp for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}195 for (int k = 0; k < argc; ++k) ++k;196 #pragma omp for simd linear (argc)197 for (int k = 0; k < argc; ++k) ++k;198 #pragma omp for simd linear (S1) // expected-error {{'S1' does not refer to a value}}199 for (int k = 0; k < argc; ++k) ++k;200 // expected-error@+2 {{linear variable with incomplete type 'S1'}}201 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}202 #pragma omp for simd linear(a, b)203 for (int k = 0; k < argc; ++k) ++k;204 #pragma omp for simd linear (argv[1]) // expected-error {{expected variable name}}205 for (int k = 0; k < argc; ++k) ++k;206 // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}207 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}208 #pragma omp for simd linear(e, g)209 for (int k = 0; k < argc; ++k) ++k;210 #pragma omp for simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}211 for (int k = 0; k < argc; ++k) ++k;212 #pragma omp parallel213 {214 int i;215 #pragma omp for simd linear(i)216 for (int k = 0; k < argc; ++k) ++k;217#ifdef OMP52218 #pragma omp for simd linear(i : step(4))219#else220 #pragma omp for simd linear(i : 4)221#endif222 for (int k = 0; k < argc; ++k) { ++k; i += 4; }223 }224#ifdef OMP52225 #pragma omp for simd linear(j: step() //omp52-error 2 {{expected expression}} omp52-error{{expected ')'}} omp52-note{{to match this '('}}226#else227 #pragma omp for simd linear(j)228#endif229 for (int k = 0; k < argc; ++k) ++k;230#ifdef OMP52231 #pragma omp for simd linear(i: step(1), step(2)) // omp52-error {{multiple 'step size' found in linear clause}}232#else233 #pragma omp for simd linear(i)234#endif235 for (int k = 0; k < argc; ++k) ++k;236#ifdef OMP52237 #pragma omp for simd linear(j: step()) // omp52-error 2 {{expected expression}}238 for (int k = 0; k < argc; ++k) ++k;239 #pragma omp for simd linear(j: pval) // omp52-error {{use of undeclared identifier 'pval'}}240 for (int k = 0; k < argc; ++k) ++k;241 #pragma omp for simd linear(i: val, step(2 // omp52-error 3 {{expected ')'}} omp52-note 2 {{to match this '('}}242 for (int k = 0; k < argc; ++k) ++k;243#endif244 245 foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}246 return 0;247}248 249