239 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 parallel 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}}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 parallel for 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 parallel for 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 parallel for 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 parallel for simd linear(z:B:ib)42 for (int i = 0; i < 10; ++i) ;43 #pragma omp parallel for simd linear(B:B::bfoo())44 for (int i = 0; i < 10; ++i) ;45 #pragma omp parallel for simd linear(X::x : ::z)46 for (int i = 0; i < 10; ++i) ;47 #pragma omp parallel for simd linear(B,::z, X::x)48 for (int i = 0; i < 10; ++i) ;49 #pragma omp parallel for simd linear(::z)50 for (int i = 0; i < 10; ++i) ;51 // expected-error@+1 {{expected variable name}}52 #pragma omp parallel for simd linear(B::bfoo())53 for (int i = 0; i < 10; ++i) ;54 #pragma omp parallel for 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 parallel for 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 parallel for 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 parallel for simd linear // expected-error {{expected '(' after 'linear'}}119 for (int k = 0; k < argc; ++k) ++k;120 #pragma omp parallel for 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 parallel for simd linear () // expected-error {{expected expression}}123 for (int k = 0; k < argc; ++k) ++k;124 #pragma omp parallel for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}125 for (int k = 0; k < argc; ++k) ++k;126 #pragma omp parallel for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}127 for (int k = 0; k < argc; ++k) ++k;128 #pragma omp parallel for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}129 for (int k = 0; k < argc; ++k) ++k;130 #pragma omp parallel 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 '('}}131 for (int k = 0; k < argc; ++k) ++k;132 #pragma omp parallel for simd linear (S1) // expected-error {{'S1' does not refer to a value}}133 for (int k = 0; k < argc; ++k) ++k;134 // expected-error@+2 {{linear variable with incomplete type 'S1'}}135 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}136 #pragma omp parallel for simd linear (a, b:B::ib)137 for (int k = 0; k < argc; ++k) ++k;138 #pragma omp parallel for simd linear (argv[1]) // expected-error {{expected variable name}}139 for (int k = 0; k < argc; ++k) ++k;140 #pragma omp parallel for simd linear(e, g)141 for (int k = 0; k < argc; ++k) ++k;142 #pragma omp parallel for simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}143 for (int k = 0; k < argc; ++k) ++k;144 #pragma omp parallel for simd linear(i, z)145 for (int k = 0; k < argc; ++k) ++k;146 #pragma omp parallel147 {148 int v = 0;149 int i;150 #pragma omp parallel for simd linear(v:i)151 for (int k = 0; k < argc; ++k) { i = k; v += i; }152 }153 #pragma omp parallel for simd linear(j)154 for (int k = 0; k < argc; ++k) ++k;155 int v = 0;156 #pragma omp parallel for simd linear(v:j)157 for (int k = 0; k < argc; ++k) { ++k; v += j; }158 #pragma omp parallel for simd linear(i)159 for (int k = 0; k < argc; ++k) ++k;160 return 0;161}162 163namespace A {164double x;165#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}166}167namespace C {168using A::x;169}170 171int main(int argc, char **argv) {172 double darr[100];173 // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}174 test_template<-4>(darr, 4);175 // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}176 test_warn<0>();177 178 S4 e(4); // expected-note {{'e' defined here}}179 S5 g(5); // expected-note {{'g' defined here}}180 int i, z;181 int &j = i;182 #pragma omp parallel for simd linear // expected-error {{expected '(' after 'linear'}}183 for (int k = 0; k < argc; ++k) ++k;184 #pragma omp parallel for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}185 for (int k = 0; k < argc; ++k) ++k;186 #pragma omp parallel for simd linear () // expected-error {{expected expression}}187 for (int k = 0; k < argc; ++k) ++k;188 #pragma omp parallel for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}189 for (int k = 0; k < argc; ++k) ++k;190 #pragma omp parallel for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}191 for (int k = 0; k < argc; ++k) ++k;192 #pragma omp parallel for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}193 for (int k = 0; k < argc; ++k) ++k;194 #pragma omp parallel for simd linear (argc, z)195 for (int k = 0; k < argc; ++k) ++k;196 #pragma omp parallel for simd linear (S1) // expected-error {{'S1' does not refer to a value}}197 for (int k = 0; k < argc; ++k) ++k;198 // expected-error@+2 {{linear variable with incomplete type 'S1'}}199 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}200 #pragma omp parallel for simd linear (a, b)201 for (int k = 0; k < argc; ++k) ++k;202 #pragma omp parallel for simd linear (argv[1]) // expected-error {{expected variable name}}203 for (int k = 0; k < argc; ++k) ++k;204 // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}205 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}206 #pragma omp parallel for simd linear(e, g)207 for (int k = 0; k < argc; ++k) ++k;208 #pragma omp parallel for simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}209 for (int k = 0; k < argc; ++k) ++k;210 #pragma omp parallel211 {212 int i;213 #pragma omp parallel for simd linear(i)214 for (int k = 0; k < argc; ++k) ++k;215#ifdef OMP52216 #pragma omp parallel for simd linear(i : step(4))217#else218 #pragma omp parallel for simd linear(i : 4)219#endif220 for (int k = 0; k < argc; ++k) { ++k; i += 4; }221 }222#ifdef OMP52223 #pragma omp for linear(j: step() //omp52-error 2 {{expected expression}} omp52-error{{expected ')'}} omp52-note{{to match this '('}}224#else225 #pragma omp parallel for simd linear(j)226#endif227 for (int k = 0; k < argc; ++k) ++k;228#ifdef OMP52229 #pragma omp for linear(i: step(1), step(2)) // omp52-error {{multiple 'step size' found in linear clause}}230#else231 #pragma omp parallel for simd linear(i)232#endif233 for (int k = 0; k < argc; ++k) ++k;234 235 foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}236 return 0;237}238 239