304 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 7typedef void **omp_allocator_handle_t;8extern const omp_allocator_handle_t omp_null_allocator;9extern const omp_allocator_handle_t omp_default_mem_alloc;10extern const omp_allocator_handle_t omp_large_cap_mem_alloc;11extern const omp_allocator_handle_t omp_const_mem_alloc;12extern const omp_allocator_handle_t omp_high_bw_mem_alloc;13extern const omp_allocator_handle_t omp_low_lat_mem_alloc;14extern const omp_allocator_handle_t omp_cgroup_mem_alloc;15extern const omp_allocator_handle_t omp_pteam_mem_alloc;16extern const omp_allocator_handle_t omp_thread_mem_alloc;17 18void xxx(int argc) {19 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}}20#pragma omp target parallel for linear(lin : step_sz) // expected-warning {{variable 'lin' is uninitialized when used here}} expected-warning {{variable 'step_sz' is uninitialized when used here}}21 for (i = 0; i < 10; ++i)22 ;23}24 25namespace X {26int x;27};28 29struct B {30 static int ib; // expected-note {{'B::ib' declared here}}31 static int bfoo() { return 8; }32};33 34int bfoo() { return 4; }35 36int z;37const int C1 = 1;38const int C2 = 2;39void test_linear_colons() {40 int B = 0;41#pragma omp target parallel for linear(B : bfoo())42 for (int i = 0; i < 10; ++i)43 ;44// expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}45#pragma omp target parallel for linear(B::ib : B : bfoo())46 for (int i = 0; i < 10; ++i)47 ;48// expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}49#pragma omp target parallel for linear(B : ib)50 for (int i = 0; i < 10; ++i)51 ;52// expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}53#pragma omp target parallel for linear(z : B : ib)54 for (int i = 0; i < 10; ++i)55 ;56#pragma omp target parallel for linear(B : B::bfoo())57 for (int i = 0; i < 10; ++i)58 ;59#pragma omp target parallel for linear(X::x : ::z)60 for (int i = 0; i < 10; ++i)61 ;62#pragma omp target parallel for linear(B, ::z, X::x)63 for (int i = 0; i < 10; ++i)64 ;65#pragma omp target parallel for linear(::z)66 for (int i = 0; i < 10; ++i)67 ;68// expected-error@+1 {{expected variable name}}69#pragma omp target parallel for linear(B::bfoo())70 for (int i = 0; i < 10; ++i)71 ;72#pragma omp target parallel for linear(B::ib, B : C1 + C2)73 for (int i = 0; i < 10; ++i)74 ;75}76 77template <int L, class T, class N>78T test_template(T *arr, N num) {79 N i;80 T sum = (T)0;81 T ind2 = -num * L; // expected-note {{'ind2' defined here}}82// expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}83#pragma omp target parallel for linear(ind2 : L)84 for (i = 0; i < num; ++i) {85 T cur = arr[(int)ind2];86 ind2 += L;87 sum += cur;88 }89 return T();90}91 92template <int LEN>93int test_warn() {94 int ind2 = 0;95// expected-warning@+1 {{zero linear step ('ind2' should probably be const)}}96#pragma omp target parallel for linear(ind2 : LEN)97 for (int i = 0; i < 100; i++) {98 ind2 += LEN;99 }100 return ind2;101}102 103struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}104extern S1 a;105class S2 {106 mutable int a;107 108public:109 S2() : a(0) {}110};111const S2 b; // expected-note 2 {{'b' defined here}}112const S2 ba[5];113class S3 {114 int a;115 116public:117 S3() : a(0) {}118};119const S3 ca[5];120class S4 {121 int a;122 S4();123 124public:125 S4(int v) : a(v) {}126};127class S5 {128 int a;129 S5() : a(0) {}130 131public:132 S5(int v) : a(v) {}133};134 135S3 h;136#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}137 138template <class I, class C>139int foomain(I argc, C **argv) {140 I e(4);141 I g(5);142 int i, z;143 int &j = i;144#pragma omp target parallel for linear // expected-error {{expected '(' after 'linear'}}145 for (int k = 0; k < argc; ++k)146 ++k;147#pragma omp target parallel for linear( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}148 for (int k = 0; k < argc; ++k)149 ++k;150#pragma omp target parallel for linear() // expected-error {{expected expression}}151 for (int k = 0; k < argc; ++k)152 ++k;153#pragma omp target parallel for linear(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}154 for (int k = 0; k < argc; ++k)155 ++k;156#pragma omp target parallel for linear(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}157 for (int k = 0; k < argc; ++k)158 ++k;159#pragma omp target parallel for linear(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}160 for (int k = 0; k < argc; ++k)161 ++k;162#pragma omp target parallel 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 '('}}163 for (int k = 0; k < argc; ++k)164 ++k;165#pragma omp target parallel for linear(S1) // expected-error {{'S1' does not refer to a value}}166 for (int k = 0; k < argc; ++k)167 ++k;168// expected-error@+2 {{linear variable with incomplete type 'S1'}}169// expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}170#pragma omp target parallel for linear(a, b : B::ib)171 for (int k = 0; k < argc; ++k)172 ++k;173#pragma omp target parallel for linear(argv[1]) // expected-error {{expected variable name}}174 for (int k = 0; k < argc; ++k)175 ++k;176#pragma omp target parallel for allocate(omp_thread_mem_alloc: e) linear(e, g) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target parallel for' directive}} expected-error {{allocator must be specified in the 'uses_allocators' clause}}177 for (int k = 0; k < argc; ++k)178 ++k;179#pragma omp target parallel for linear(z, h) // expected-error {{threadprivate or thread local variable cannot be linear}}180 for (int k = 0; k < argc; ++k)181 ++k;182#pragma omp target parallel for linear(i)183 for (int k = 0; k < argc; ++k)184 ++k;185#pragma omp parallel186 {187 int v = 0;188 int i;189#pragma omp target parallel for linear(v : i)190 for (int k = 0; k < argc; ++k) {191 i = k;192 v += i;193 }194 }195#pragma omp target parallel for linear(j)196 for (int k = 0; k < argc; ++k)197 ++k;198 int v = 0;199#pragma omp target parallel for linear(v : j)200 for (int k = 0; k < argc; ++k) {201 ++k;202 v += j;203 }204#pragma omp target parallel for linear(i)205 for (int k = 0; k < argc; ++k)206 ++k;207 return 0;208}209 210namespace A {211double x;212#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}213}214namespace C {215using A::x;216}217 218int main(int argc, char **argv) {219 double darr[100];220 // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}221 test_template<-4>(darr, 4);222 // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}223 test_warn<0>();224 225 S4 e(4); // expected-note {{'e' defined here}}226 S5 g(5); // expected-note {{'g' defined here}}227 int i, z;228 int &j = i;229#pragma omp target parallel for linear // expected-error {{expected '(' after 'linear'}}230 for (int k = 0; k < argc; ++k)231 ++k;232#pragma omp target parallel for linear( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}233 for (int k = 0; k < argc; ++k)234 ++k;235#pragma omp target parallel for linear() // expected-error {{expected expression}}236 for (int k = 0; k < argc; ++k)237 ++k;238#pragma omp target parallel for linear(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}239 for (int k = 0; k < argc; ++k)240 ++k;241#pragma omp target parallel for linear(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}242 for (int k = 0; k < argc; ++k)243 ++k;244#pragma omp target parallel for linear(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}245 for (int k = 0; k < argc; ++k)246 ++k;247#pragma omp target parallel for linear(argc, z)248 for (int k = 0; k < argc; ++k)249 ++k;250#pragma omp target parallel for linear(S1) // expected-error {{'S1' does not refer to a value}}251 for (int k = 0; k < argc; ++k)252 ++k;253// expected-error@+2 {{linear variable with incomplete type 'S1'}}254// expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}255#pragma omp target parallel for linear(a, b)256 for (int k = 0; k < argc; ++k)257 ++k;258#pragma omp target parallel for linear(argv[1]) // expected-error {{expected variable name}}259 for (int k = 0; k < argc; ++k)260 ++k;261// expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}262// expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}263#pragma omp target parallel for linear(e, g)264 for (int k = 0; k < argc; ++k)265 ++k;266#pragma omp target parallel for linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}267 for (int k = 0; k < argc; ++k)268 ++k;269#pragma omp parallel270 {271 int i;272#pragma omp target parallel for linear(i)273 for (int k = 0; k < argc; ++k)274 ++k;275#ifdef OMP52276#pragma omp target parallel for linear(i : uval, step(4)) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}277#else278#pragma omp target parallel for linear(i : 4)279#endif280 for (int k = 0; k < argc; ++k) {281 ++k;282 i += 4;283 }284 }285#ifdef OMP52286#pragma omp target parallel for linear(j: step() //omp52-error 2 {{expected expression}} omp52-error{{expected ')'}} omp52-note{{to match this '('}}287#else288#pragma omp target parallel for linear(j)289#endif290 for (int k = 0; k < argc; ++k)291 ++k;292#ifdef OMP52293#pragma omp target parallel for linear(i: step(1), step(2)) // omp52-error {{multiple 'step size' found in linear clause}}294#else295#pragma omp target parallel for linear(i)296#endif297 for (int k = 0; k < argc; ++k)298 ++k;299 300 foomain<int, char>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}301 return 0;302}303 304