321 lines · cpp
1// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized2 3// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized4 5extern int omp_default_mem_alloc;6void foo() {7}8 9bool foobool(int argc) {10 return argc;11}12 13void xxx(int argc) {14 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}15#pragma omp parallel sections firstprivate(fp) // expected-warning {{variable 'fp' is uninitialized when used here}}16 {17 for (int i = 0; i < 10; ++i)18 ;19 }20}21 22struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}23extern S1 a;24class S2 {25 mutable int a;26 27public:28 S2() : a(0) {}29 S2(const S2 &s2) : a(s2.a) {}30 static float S2s;31 static const float S2sc;32};33const float S2::S2sc = 0;34const S2 b;35const S2 ba[5];36class S3 {37 int a;38 S3 &operator=(const S3 &s3);39 40public:41 S3() : a(0) {}42 S3(const S3 &s3) : a(s3.a) {}43};44const S3 c;45const S3 ca[5];46extern const int f;47class S4 {48 int a;49 S4();50 S4(const S4 &s4); // expected-note 2 {{implicitly declared private here}}51 52public:53 S4(int v) : a(v) {}54};55class S5 {56 int a;57 S5(const S5 &s5) : a(s5.a) {} // expected-note 4 {{implicitly declared private here}}58 59public:60 S5() : a(0) {}61 S5(int v) : a(v) {}62};63class S6 {64 int a;65 S6() : a(0) {}66 67public:68 S6(const S6 &s6) : a(s6.a) {}69 S6(int v) : a(v) {}70};71 72S3 h;73#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}74 75template <class I, class C>76int foomain(int argc, char **argv) {77 I e(4);78 C g(5);79 int i, z;80 int &j = i;81#pragma omp parallel sections firstprivate // expected-error {{expected '(' after 'firstprivate'}}82 {83 foo();84 }85#pragma omp parallel sections firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}86 {87 foo();88 }89#pragma omp parallel sections firstprivate() // expected-error {{expected expression}}90 {91 foo();92 }93#pragma omp parallel sections firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}94 {95 foo();96 }97#pragma omp parallel sections firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}98 {99 foo();100 }101#pragma omp parallel sections firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}102 {103 foo();104 }105#pragma omp parallel sections firstprivate(argc) 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 '('}}106 {107 foo();108 }109#pragma omp parallel sections firstprivate(S1) // expected-error {{'S1' does not refer to a value}}110 {111 foo();112 }113#pragma omp parallel sections firstprivate(z, a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}114 {115 foo();116 }117#pragma omp parallel sections firstprivate(argv[1]) // expected-error {{expected variable name}}118 {119 foo();120 }121#pragma omp parallel sections firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}122 {123 foo();124 }125#pragma omp parallel sections firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}126 {127 foo();128 }129#pragma omp parallel sections linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp parallel sections'}}130 {131 foo();132 }133#pragma omp parallel134 {135 int v = 0;136 int i;137#pragma omp parallel sections firstprivate(i)138 {139 foo();140 }141 v += i;142 }143#pragma omp parallel shared(i)144#pragma omp parallel private(i)145#pragma omp parallel sections firstprivate(j)146 {147 foo();148 }149#pragma omp parallel sections firstprivate(i)150 {151 foo();152 }153#pragma omp parallel sections lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}154 {155 foo();156 }157#pragma omp parallel private(i)158#pragma omp parallel sections firstprivate(i)159 {160 foo();161 }162#pragma omp parallel reduction(+ : i)163#pragma omp parallel sections firstprivate(i)164 {165 foo();166 }167 return 0;168}169 170namespace A {171double x;172#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}173}174namespace B {175using A::x;176}177 178int main(int argc, char **argv) {179 const int d = 5;180 const int da[5] = {0};181 S4 e(4);182 S5 g(5);183 S3 m;184 S6 n(2);185 int i, z;186 int &j = i;187#pragma omp parallel sections firstprivate // expected-error {{expected '(' after 'firstprivate'}}188 {189 foo();190 }191#pragma omp parallel sections firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}192 {193 foo();194 }195#pragma omp parallel sections firstprivate() // expected-error {{expected expression}}196 {197 foo();198 }199#pragma omp parallel sections firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}200 {201 foo();202 }203#pragma omp parallel sections firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}204 {205 foo();206 }207#pragma omp parallel sections firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}208 {209 foo();210 }211#pragma omp parallel sections firstprivate(argc, z)212 {213 foo();214 }215#pragma omp parallel sections firstprivate(S1) // expected-error {{'S1' does not refer to a value}}216 {217 foo();218 }219#pragma omp parallel sections firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}220 {221 foo();222 }223#pragma omp parallel sections firstprivate(argv[1]) // expected-error {{expected variable name}}224 {225 foo();226 }227#pragma omp parallel sections firstprivate(2 * 2) // expected-error {{expected variable name}}228 {229 foo();230 }231#pragma omp parallel sections firstprivate(ba) // OK232 {233 foo();234 }235#pragma omp parallel sections firstprivate(ca) // OK236 {237 foo();238 }239#pragma omp parallel sections firstprivate(da) // OK240 {241 foo();242 }243 int xa;244#pragma omp parallel sections firstprivate(xa) // OK245 {246 foo();247 }248#pragma omp parallel sections firstprivate(S2::S2s) // OK249 {250 foo();251 }252#pragma omp parallel sections firstprivate(S2::S2sc) // OK253 {254 foo();255 }256#pragma omp parallel sections safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp parallel sections'}}257 {258 foo();259 }260#pragma omp parallel sections firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}261 {262 foo();263 }264#pragma omp parallel sections firstprivate(m) // OK265 {266 foo();267 }268#pragma omp parallel sections firstprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be firstprivate}}269 {270 foo();271 }272#pragma omp parallel sections private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}273 {274 foo();275 }276#pragma omp parallel shared(xa)277#pragma omp parallel sections firstprivate(xa) // OK: may be firstprivate278 {279 foo();280 }281#pragma omp parallel sections firstprivate(j)282 {283 foo();284 }285#pragma omp parallel sections lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}286 {287 foo();288 }289#pragma omp parallel sections lastprivate(n) firstprivate(n) // OK290 {291 foo();292 }293#pragma omp parallel294 {295 int v = 0;296 int i;297#pragma omp parallel sections firstprivate(i)298 {299 foo();300 }301 v += i;302 }303#pragma omp parallel private(i)304#pragma omp parallel sections firstprivate(i)305 {306 foo();307 }308#pragma omp parallel reduction(+ : i)309#pragma omp parallel sections firstprivate(i)310 {311 foo();312 }313 static int r;314#pragma omp parallel sections firstprivate(r) // OK315 {316 foo();317 }318 319 return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}320}321