260 lines · cpp
1// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized2// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -DOMP52 %s -Wuninitialized3// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=60 -DOMP52 %s -Wuninitialized4 5// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized6// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -DOMP52 %s -Wuninitialized7// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=60 -DOMP52 %s -Wuninitialized8 9extern int omp_default_mem_alloc;10 11void xxx(int argc) {12 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}}13#pragma omp for linear(lin : step_sz) // expected-warning {{variable 'lin' is uninitialized when used here}} expected-warning {{variable 'step_sz' is uninitialized when used here}}14 for (i = 0; i < 10; ++i)15 ;16}17 18namespace X {19 int x;20};21 22struct B {23 static int ib; // expected-note {{'B::ib' declared here}}24 static int bfoo() { return 8; }25};26 27int bfoo() { return 4; }28 29int z;30const int C1 = 1;31const int C2 = 2;32void test_linear_colons()33{34 int B = 0;35 #pragma omp for linear(B:bfoo())36 for (int i = 0; i < 10; ++i) ;37 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}38 #pragma omp for linear(B::ib:B:bfoo())39 for (int i = 0; i < 10; ++i) ;40 // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}41 #pragma omp for linear(B:ib)42 for (int i = 0; i < 10; ++i) ;43 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}44 #pragma omp for linear(z:B:ib)45 for (int i = 0; i < 10; ++i) ;46 #pragma omp for linear(B:B::bfoo())47 for (int i = 0; i < 10; ++i) ;48 #pragma omp for linear(X::x : ::z)49 for (int i = 0; i < 10; ++i) ;50 #pragma omp for linear(B,::z, X::x)51 for (int i = 0; i < 10; ++i) ;52 #pragma omp for linear(::z)53 for (int i = 0; i < 10; ++i) ;54 // expected-error@+1 {{expected variable name}}55 #pragma omp for linear(B::bfoo())56 for (int i = 0; i < 10; ++i) ;57 #pragma omp for linear(B::ib,B:C1+C2)58 for (int i = 0; i < 10; ++i) ;59}60 61template<int L, class T, class N> T test_template(T* arr, N num) {62 N i;63 T sum = (T)0;64 T ind2 = - num * L; // expected-note {{'ind2' defined here}}65 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}66#pragma omp for linear(ind2:L)67 for (i = 0; i < num; ++i) {68 T cur = arr[(int)ind2];69 ind2 += L;70 sum += cur;71 }72 return T();73}74 75template<int LEN> int test_warn() {76 int ind2 = 0;77 // expected-warning@+1 {{zero linear step ('ind2' should probably be const)}}78 #pragma omp for linear(ind2:LEN)79 for (int i = 0; i < 100; i++) {80 ind2 += LEN;81 }82 return ind2;83}84 85struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}86extern S1 a;87class S2 {88 mutable int a;89public:90 S2():a(0) { }91};92const S2 b; // expected-note 2 {{'b' defined here}}93const S2 ba[5];94class S3 {95 int a;96public:97 S3():a(0) { }98};99const S3 ca[5];100class S4 {101 int a;102 S4();103public:104 S4(int v):a(v) { }105};106class S5 {107 int a;108 S5():a(0) {}109public:110 S5(int v):a(v) { }111};112 113S3 h;114#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}115 116template<class I, class C> int foomain(I argc, C **argv) {117 I e(4);118 I g(5);119 int i, k;120 int &j = i;121 #pragma omp for linear // expected-error {{expected '(' after 'linear'}}122 for (int k = 0; k < argc; ++k) ++k;123 #pragma omp for linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}124 for (int k = 0; k < argc; ++k) ++k;125 #pragma omp for linear () // expected-error {{expected expression}}126 for (int k = 0; k < argc; ++k) ++k;127 #pragma omp for linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}128 for (int k = 0; k < argc; ++k) ++k;129 #pragma omp for linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}130 for (int k = 0; k < argc; ++k) ++k;131 #pragma omp for linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}132 for (int k = 0; k < argc; ++k) ++k;133 #pragma omp for 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 '('}}134 for (int k = 0; k < argc; ++k) ++k;135 #pragma omp for linear (S1) // expected-error {{'S1' does not refer to a value}}136 for (int k = 0; k < argc; ++k) ++k;137 // expected-error@+2 {{linear variable with incomplete type 'S1'}}138 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}139 #pragma omp for linear (a, b:B::ib)140 for (int k = 0; k < argc; ++k) ++k;141 #pragma omp for linear (argv[1]) // expected-error {{expected variable name}}142 for (int k = 0; k < argc; ++k) ++k;143 #pragma omp for linear(e, g, k)144 for (int k = 0; k < argc; ++k) ++k;145 #pragma omp for linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}146 for (int k = 0; k < argc; ++k) ++k;147 #pragma omp for linear(i)148 for (int k = 0; k < argc; ++k) ++k;149 #pragma omp parallel150 {151 int v = 0;152 int i;153 #pragma omp for linear(v:i)154 for (int k = 0; k < argc; ++k) { i = k; v += i; }155 }156 #pragma omp for linear(j)157 for (int k = 0; k < argc; ++k) ++k;158 int v = 0;159 #pragma omp for linear(v:j)160 for (int k = 0; k < argc; ++k) { ++k; v += j; }161 #pragma omp for linear(i)162 for (int k = 0; k < argc; ++k) ++k;163 #pragma omp for linear(i) ordered(1) // expected-error {{'linear' clause cannot be specified along with 'ordered' clause with a parameter}}164 for (int k = 0; k < argc; ++k) ++k;165 return 0;166}167 168namespace A {169double x;170#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}171}172namespace C {173using A::x;174}175 176int main(int argc, char **argv) {177 double darr[100];178 // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}179 test_template<-4>(darr, 4);180 // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}181 test_warn<0>();182 183 S4 e(4); // expected-note {{'e' defined here}}184 S5 g(5); // expected-note {{'g' defined here}}185 int i, k;186 int &j = i;187 #pragma omp for linear // expected-error {{expected '(' after 'linear'}}188 for (int k = 0; k < argc; ++k) ++k;189 #pragma omp for linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}190 for (int k = 0; k < argc; ++k) ++k;191 #pragma omp for linear () // expected-error {{expected expression}}192 for (int k = 0; k < argc; ++k) ++k;193 #pragma omp for linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}194 for (int k = 0; k < argc; ++k) ++k;195 #pragma omp for linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}196 for (int k = 0; k < argc; ++k) ++k;197 #pragma omp for linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}198 for (int k = 0; k < argc; ++k) ++k;199 #pragma omp for linear (argc)200 for (int k = 0; k < argc; ++k) ++k;201 #pragma omp for linear (S1) // expected-error {{'S1' does not refer to a value}}202 for (int k = 0; k < argc; ++k) ++k;203 // expected-error@+2 {{linear variable with incomplete type 'S1'}}204 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}205 #pragma omp for linear(a, b, k)206 for (int k = 0; k < argc; ++k) ++k;207 #pragma omp for linear (argv[1]) // expected-error {{expected variable name}}208 for (int k = 0; k < argc; ++k) ++k;209 // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}210 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}211 #pragma omp for linear(e, g)212 for (int k = 0; k < argc; ++k) ++k;213 #pragma omp for linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}214 for (int k = 0; k < argc; ++k) ++k;215 #pragma omp parallel216 {217 int i;218 #pragma omp for linear(i)219 for (int k = 0; k < argc; ++k) ++k;220 #pragma omp for 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))'}}221 for (int k = 0; k < argc; ++k) ++k;222#ifdef OMP52223 #pragma omp for linear(i : step(4))224#else225 #pragma omp for linear(i : 4)226#endif227 for (int k = 0; k < argc; ++k) { ++k; i += 4; }228 }229#ifdef OMP52230 #pragma omp for linear(j: step() //omp52-error 2 {{expected expression}} omp52-error{{expected ')'}} omp52-note{{to match this '('}}231#else232 #pragma omp for linear(j)233#endif234 for (int k = 0; k < argc; ++k) ++k;235#ifdef OMP52236 #pragma omp for linear(i: step(1), val)237#else238 #pragma omp for linear(i)239#endif240 for (int k = 0; k < argc; ++k) ++k;241 #pragma omp for linear(i) ordered(1) // expected-error {{'linear' clause cannot be specified along with 'ordered' clause with a parameter}}242 for (int k = 0; k < argc; ++k) ++k;243#ifdef OMP52244 #pragma omp for linear(j: step()) // omp52-error 2 {{expected expression}}245 for (int k = 0; k < argc; ++k) ++k;246 #pragma omp for linear(j: step(1), step(2)) // omp52-error {{multiple 'step size' found in linear clause}}247 for (int k = 0; k < argc; ++k) ++k;248 #pragma omp for linear(j: val, val) // omp52-error {{multiple 'linear modifier' found in linear clause}}249 for (int k = 0; k < argc; ++k) ++k;250 #pragma omp for linear(j: pval) // omp52-error{{use of undeclared identifier 'pval'}}251 for (int k = 0; k < argc; ++k) ++k;252 #pragma omp for linear(i: val, step(2 // omp52-error 3 {{expected ')'}} omp52-note 2 {{to match this '('}}253 for (int k = 0; k < argc; ++k) ++k;254#endif255 256 foomain<int,char>(argc,argv); // expected-note {{n instantiation of function template specialization 'foomain<int, char>' requested here}}257 return 0;258}259 260