303 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 taskloop 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}}21 for (i = 0; i < 10; ++i)22 ;23}24 25namespace X {26 int 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{41 int B = 0;42 #pragma omp taskloop simd linear(B:bfoo())43 for (int i = 0; i < 10; ++i) ;44 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}45 #pragma omp taskloop simd linear(B::ib:B:bfoo())46 for (int i = 0; i < 10; ++i) ;47 // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}48 #pragma omp taskloop simd linear(B:ib)49 for (int i = 0; i < 10; ++i) ;50 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}51 #pragma omp taskloop simd linear(z:B:ib)52 for (int i = 0; i < 10; ++i) ;53 #pragma omp taskloop simd linear(B:B::bfoo())54 for (int i = 0; i < 10; ++i) ;55 #pragma omp taskloop simd linear(X::x : ::z)56 for (int i = 0; i < 10; ++i) ;57 #pragma omp taskloop simd linear(B,::z, X::x)58 for (int i = 0; i < 10; ++i) ;59 #pragma omp taskloop simd linear(::z)60 for (int i = 0; i < 10; ++i) ;61 // expected-error@+1 {{expected variable name}}62 #pragma omp taskloop simd linear(B::bfoo())63 for (int i = 0; i < 10; ++i) ;64 #pragma omp taskloop simd linear(B::ib,B:C1+C2)65 for (int i = 0; i < 10; ++i) ;66}67 68template<int L, class T, class N> T test_template(T* arr, N num) {69 N i;70 T sum = (T)0;71 T ind2 = - num * L; // expected-note {{'ind2' defined here}}72 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}73#pragma omp taskloop simd linear(ind2:L)74 for (i = 0; i < num; ++i) {75 T cur = arr[(int)ind2];76 ind2 += L;77 sum += cur;78 }79 return T();80}81 82template<int LEN> int test_warn() {83 int ind2 = 0;84 // expected-warning@+1 {{zero linear step ('ind2' should probably be const)}}85 #pragma omp taskloop simd linear(ind2:LEN)86 for (int i = 0; i < 100; i++) {87 ind2 += LEN;88 }89 return ind2;90}91 92struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}93extern S1 a;94class S2 {95 mutable int a;96public:97 S2():a(0) { }98};99const S2 b; // expected-note 2 {{'b' defined here}}100const S2 ba[5];101class S3 {102 int a;103public:104 S3():a(0) { }105};106const S3 ca[5];107class S4 {108 int a;109 S4();110public:111 S4(int v):a(v) { }112};113class S5 {114 int a;115 S5():a(0) {}116public:117 S5(int v):a(v) { }118};119 120S3 h;121#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}122 123template<class I, class C> int foomain(I argc, C **argv) {124 I e(4);125 I g(5);126 int i, z;127 int &j = i;128 #pragma omp taskloop simd linear // expected-error {{expected '(' after 'linear'}}129 for (int k = 0; k < argc; ++k) ++k;130 #pragma omp taskloop simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}131 for (int k = 0; k < argc; ++k) ++k;132 #pragma omp taskloop simd linear (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}133 for (int k = 0; k < argc; ++k) ++k;134 #pragma omp taskloop 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))'}}135 for (int k = 0; k < argc; ++k) ++k;136 #pragma omp taskloop 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))'}}137 for (int k = 0; k < argc; ++k) ++k;138 #pragma omp taskloop 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))'}}139 for (int k = 0; k < argc; ++k) ++k;140 #pragma omp taskloop simd linear () // expected-error {{expected expression}}141 for (int k = 0; k < argc; ++k) ++k;142 #pragma omp taskloop simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}143 for (int k = 0; k < argc; ++k) ++k;144 #pragma omp taskloop simd linear (val argc // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}145 for (int k = 0; k < argc; ++k) ++k;146 #pragma omp taskloop 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))'}}147 for (int k = 0; k < argc; ++k) ++k;148 #pragma omp taskloop simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}149 for (int k = 0; k < argc; ++k) ++k;150 #pragma omp taskloop 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 '('}}151 for (int k = 0; k < argc; ++k) ++k;152 #pragma omp taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}153 for (int k = 0; k < argc; ++k) ++k;154#if defined(OMP52)155 // omp52-error@+3{{step simple modifier is exclusive and cannot be use with 'val', 'uval' or 'ref' modifier}}156 // expected-error@+2 {{linear variable with incomplete type 'S1'}}157 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}158 #pragma omp taskloop simd linear (a, b: val, B::ib)159#else160 // omp52-error@+3 {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}161 // expected-error@+2 {{linear variable with incomplete type 'S1'}}162 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}163 #pragma omp taskloop simd linear (val(a, b):B::ib)164#endif165 for (int k = 0; k < argc; ++k) ++k;166 #pragma omp taskloop simd linear (argv[1]) // expected-error {{expected variable name}}167 for (int k = 0; k < argc; ++k) ++k;168 #pragma omp taskloop 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))'}}169 for (int k = 0; k < argc; ++k) ++k;170 #pragma omp taskloop simd linear(h, z) // expected-error {{threadprivate or thread local variable cannot be linear}}171 for (int k = 0; k < argc; ++k) ++k;172 #pragma omp taskloop 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))'}}173 for (int k = 0; k < argc; ++k) ++k;174 #pragma omp parallel175 {176 int v = 0;177 int i;178 #pragma omp taskloop simd allocate(omp_thread_mem_alloc: v) linear(v:i) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'taskloop simd' directive}}179 for (int k = 0; k < argc; ++k) { i = k; v += i; }180 }181 #pragma omp taskloop 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))'}}182 for (int k = 0; k < argc; ++k) ++k;183 #pragma omp taskloop 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))'}}184 for (int k = 0; k < argc; ++k) ++k;185 int v = 0;186 #pragma omp taskloop simd linear(v:j)187 for (int k = 0; k < argc; ++k) { ++k; v += j; }188 #pragma omp taskloop simd linear(i)189 for (int k = 0; k < argc; ++k) ++k;190 return 0;191}192 193namespace A {194double x;195#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}196}197namespace C {198using A::x;199}200 201void linear_modifiers(int argc) {202 int &f = argc;203 #pragma omp taskloop simd linear(f)204 for (int k = 0; k < argc; ++k) ++k;205 #pragma omp taskloop 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))'}}206 for (int k = 0; k < argc; ++k) ++k;207 #pragma omp taskloop 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))'}}208 for (int k = 0; k < argc; ++k) ++k;209 #pragma omp taskloop 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))'}}210 for (int k = 0; k < argc; ++k) ++k;211 #pragma omp taskloop 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))'}}212 for (int k = 0; k < argc; ++k) ++k;213}214 215int f;216int main(int argc, char **argv) {217 double darr[100];218 // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}219 test_template<-4>(darr, 4);220 // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}221 test_warn<0>();222 223 S4 e(4); // expected-note {{'e' defined here}}224 S5 g(5); // expected-note {{'g' defined here}}225 int i, z;226 int &j = i;227 #pragma omp taskloop simd linear(f) linear(f) // expected-error {{linear variable cannot be linear}} expected-note {{defined as linear}}228 for (int k = 0; k < argc; ++k) ++k;229 #pragma omp taskloop simd linear // expected-error {{expected '(' after 'linear'}}230 for (int k = 0; k < argc; ++k) ++k;231 #pragma omp taskloop simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}232 for (int k = 0; k < argc; ++k) ++k;233 #pragma omp taskloop simd linear () // expected-error {{expected expression}}234 for (int k = 0; k < argc; ++k) ++k;235 #pragma omp taskloop simd linear (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}236 for (int k = 0; k < argc; ++k) ++k;237 #pragma omp taskloop 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))'}}238 for (int k = 0; k < argc; ++k) ++k;239 #pragma omp taskloop 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))'}}240 for (int k = 0; k < argc; ++k) ++k;241 #pragma omp taskloop simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}242 for (int k = 0; k < argc; ++k) ++k;243 #pragma omp taskloop simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}244 for (int k = 0; k < argc; ++k) ++k;245 #pragma omp taskloop simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}246 for (int k = 0; k < argc; ++k) ++k;247 #pragma omp taskloop simd linear (argc, z)248 for (int k = 0; k < argc; ++k) ++k;249 #pragma omp taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}250 for (int k = 0; k < argc; ++k) ++k;251 // expected-error@+2 {{linear variable with incomplete type 'S1'}}252 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}253 #pragma omp taskloop simd linear(a, b)254 for (int k = 0; k < argc; ++k) ++k;255 #pragma omp taskloop simd linear (argv[1]) // expected-error {{expected variable name}}256 for (int k = 0; k < argc; ++k) ++k;257 // omp52-error@+3 {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}258 // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}259 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}260 #pragma omp taskloop simd linear(val(e, g))261 for (int k = 0; k < argc; ++k) ++k;262 #pragma omp taskloop simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}263 for (int k = 0; k < argc; ++k) ++k;264 #pragma omp parallel265 {266 int i;267 #pragma omp taskloop 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))'}}268 for (int k = 0; k < argc; ++k) ++k;269#ifdef OMP52270 #pragma omp taskloop 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'}}271#else272 #pragma omp taskloop simd linear(uval(i) : 4) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}273#endif274 for (int k = 0; k < argc; ++k) { ++k; i += 4; }275 }276#ifdef OMP52277 #pragma omp taskloop simd linear(j: ref)278#else279 #pragma omp taskloop 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))'}}280#endif281 for (int k = 0; k < argc; ++k) ++k;282#ifdef OMP52283 #pragma omp taskloop simd linear(i: step(1), step(2)) // omp52-error {{multiple 'step size' found in linear clause}}284#else285 #pragma omp taskloop simd linear(i)286#endif287 for (int k = 0; k < argc; ++k) ++k;288#ifdef OMP52289 #pragma omp taskloop simd linear(i: val, val) // omp52-error {{multiple 'linear modifier' found in linear clause}}290 for (int k = 0; k < argc; ++k) ++k;291 #pragma omp taskloop simd linear(j: step()) // omp52-error 2 {{expected expression}}292 for (int k = 0; k < argc; ++k) ++k;293 #pragma omp taskloop simd linear(j: pval) // omp52-error {{use of undeclared identifier 'pval'}}294 for (int k = 0; k < argc; ++k) ++k;295 #pragma omp taskloop simd linear(i: val, step(2 // omp52-error {{expected ')' or ',' after 'step expression'}} omp52-error 2 {{expected ')'}} omp52-note 2 {{to match this '('}}296 for (int k = 0; k < argc; ++k) ++k;297#endif298 299 foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}300 return 0;301}302 303