469 lines · cpp
1// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -ferror-limit 150 -o - %s -Wuninitialized2// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized3// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized4// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -ferror-limit 150 -o - %s -Wuninitialized5// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized6// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized7// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -o - %s -Wuninitialized8// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized9// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized10// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -o - %s -Wuninitialized11// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized12// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized13 14// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -ferror-limit 150 -o - %s -Wuninitialized15// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized16// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized17// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -ferror-limit 150 -o - %s -Wuninitialized18// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized19// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized20// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -o - %s -Wuninitialized21// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized22// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized23 24extern int omp_default_mem_alloc;25void xxx(int argc) {26 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}27#pragma omp parallel for reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}28 for (int i = 0; i < 10; ++i)29 ;30}31 32void foo() {33}34 35bool foobool(int argc) {36 return argc;37}38 39void foobar(int &ref) {40#pragma omp parallel for reduction(+:ref)41 for (int i = 0; i < 10; ++i)42 foo();43}44 45struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}46extern S1 a;47class S2 {48 mutable int a;49 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}50 51public:52 S2() : a(0) {}53 S2(S2 &s2) : a(s2.a) {}54 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}55 static const float S2sc; // expected-note 2 {{'S2sc' declared here}}56};57const float S2::S2sc = 0;58S2 b; // expected-note 3 {{'b' defined here}}59const S2 ba[5]; // expected-note 2 {{'ba' defined here}}60class S3 {61 int a;62 63public:64 int b;65 S3() : a(0) {}66 S3(const S3 &s3) : a(s3.a) {}67 S3 operator+(const S3 &arg1) { return arg1; }68};69int operator+(const S3 &arg1, const S3 &arg2) { return 5; }70S3 c; // expected-note 3 {{'c' defined here}}71const S3 ca[5]; // expected-note 2 {{'ca' defined here}}72extern const int f; // expected-note 4 {{'f' declared here}}73class S4 {74 int a;75 S4(); // expected-note {{implicitly declared private here}}76 S4(const S4 &s4);77 S4 &operator+(const S4 &arg) { return (*this); }78 79public:80 S4(int v) : a(v) {}81};82S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }83class S5 {84 int a;85 S5() : a(0) {} // expected-note {{implicitly declared private here}}86 S5(const S5 &s5) : a(s5.a) {}87 S5 &operator+(const S5 &arg);88 89public:90 S5(int v) : a(v) {}91 void foo() {92#if defined(_OPENMP) && (_OPENMP <= 202111)93#pragma omp parallel private(a) // expected-note {{defined as private}}94#pragma omp for reduction(+:a) // expected-error {{reduction variable must be shared}}95 for (int i = 0; i < 10; ++i)96 ::foo();97#endif98#pragma omp parallel for reduction(inscan, +:a)99 for (int i = 0; i < 10; ++i) {100#pragma omp scan inclusive(a)101 }102#pragma omp parallel for reduction(inscan, +:a)103 for (int i = 0; i < 10; ++i) {104#pragma omp scan exclusive(a)105 }106 }107};108class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}109#if __cplusplus >= 201103L // C++11 or later110// expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}111#endif112 int a;113 114public:115 S6() : a(6) {}116 operator int() { return 6; }117} o;118 119S3 h, k;120#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}121 122template <class T> // expected-note {{declared here}}123T tmain(T argc) {124 const T d = T(); // expected-note 4 {{'d' defined here}}125 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}126 T qa[5] = {T()};127 T i, z;128 T &j = i; // expected-note 4 {{'j' defined here}}129 S3 &p = k; // expected-note 2 {{'p' defined here}}130 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}131 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}132 T fl;133#pragma omp parallel for reduction // expected-error {{expected '(' after 'reduction'}}134 for (int i = 0; i < 10; ++i)135 foo();136#pragma omp parallel for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}137 for (int i = 0; i < 10; ++i)138 foo();139#pragma omp parallel for reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}140 for (int i = 0; i < 10; ++i)141 foo();142#pragma omp parallel for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}143 for (int i = 0; i < 10; ++i)144 foo();145#pragma omp parallel for reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}146 for (int i = 0; i < 10; ++i)147 foo();148#pragma omp parallel for reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}149 for (int i = 0; i < 10; ++i)150 foo();151#pragma omp parallel for reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}152 for (int i = 0; i < 10; ++i)153 foo();154#pragma omp parallel for reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}155 for (int i = 0; i < 10; ++i)156 foo();157#pragma omp parallel for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}158 for (int i = 0; i < 10; ++i)159 foo();160#pragma omp parallel for reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}161 for (int i = 0; i < 10; ++i)162 foo();163#pragma omp parallel for reduction(foo : argc) //omp51-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp51-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}164 for (int i = 0; i < 10; ++i)165 foo();166#pragma omp parallel for reduction(&& : 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 '('}}167 for (int i = 0; i < 10; ++i)168 foo();169#pragma omp parallel for reduction(^ : T) // expected-error {{'T' does not refer to a value}}170 for (int i = 0; i < 10; ++i)171 foo();172#pragma omp parallel for reduction(+ : z, a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}173 for (int i = 0; i < 10; ++i)174 foo();175#pragma omp parallel for reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be reduction}}176 for (int i = 0; i < 10; ++i)177 foo();178#pragma omp parallel for reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}179 for (int i = 0; i < 10; ++i)180 foo();181#pragma omp parallel for reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}182 for (int i = 0; i < 10; ++i)183 foo();184#pragma omp parallel for reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}185 for (int i = 0; i < 10; ++i)186 foo();187#pragma omp parallel for reduction(- : da) // expected-error 2 {{const-qualified variable cannot be reduction}} omp52-warning 3 {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}188 for (int i = 0; i < 10; ++i)189 foo();190#pragma omp parallel for reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}191 for (int i = 0; i < 10; ++i)192 foo();193#pragma omp parallel for reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}194 for (int i = 0; i < 10; ++i)195 foo();196#pragma omp parallel for reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}197 for (int i = 0; i < 10; ++i)198 foo();199#pragma omp parallel for reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}200 for (int i = 0; i < 10; ++i)201 foo();202#pragma omp parallel for reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}203 for (int i = 0; i < 10; ++i)204 foo();205#pragma omp parallel for private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}206 for (int i = 0; i < 10; ++i)207 foo();208#pragma omp parallel private(k)209#pragma omp parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}210 for (int i = 0; i < 10; ++i)211 foo();212#pragma omp parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}213 for (int i = 0; i < 10; ++i)214 foo();215#pragma omp parallel for reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}216 for (int i = 0; i < 10; ++i)217 foo();218#pragma omp parallel shared(i)219#pragma omp parallel reduction(min : i)220#pragma omp parallel for reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}221 for (int i = 0; i < 10; ++i)222 foo();223#pragma omp parallel private(fl)224#pragma omp parallel for reduction(+ : fl)225 for (int i = 0; i < 10; ++i)226 foo();227#pragma omp parallel reduction(* : fl)228#pragma omp parallel for reduction(+ : fl)229 for (int i = 0; i < 10; ++i)230 foo();231#if defined(_OPENMP) && (_OPENMP >= 202411)232#pragma omp parallel private(fl)233#pragma omp for reduction(original(abcxx),+:fl) // expected-error {{private or shared or default}} expected-warning {{extra tokens at the end of '#pragma omp for'}} 234for (int i = 1; i <= 10; i++) 235 foo();236#endif237 return T();238}239namespace private_reduction_test{240void test_original_modifier(){241int fl;242#if defined(_OPENMP) && (_OPENMP >= 202411)243#pragma omp parallel private(fl)244#pragma omp for reduction(original(privates),+:fl) // expected-error {{private or shared or default}} expected-warning {{extra tokens at the end of '#pragma omp for'}}245for (int i = 1; i <= 10; i++)246 ;247 248#pragma omp parallel for reduction(original(private)+ : fl) // expected-error {{expected ',' (comma)}} expected-warning {{extra tokens at the end of '#pragma omp parallel for' }}249for (int i = 0; i < 10; ++i)250 ;251 252#pragma omp parallel 253#pragma omp for reduction(original(shared),+:fl) 254for( int i = 0; i < 10; i++)255;256#pragma omp parallel for reduction(original(private),+: fl // expected-error {{expected ')'}} expected-note {{to match this '('}}257for (int i = 0; i < 10; ++i)258 ;259#pragma omp parallel firstprivate(fl)260#pragma omp for reduction(+:fl) 261for( int i = 0; i < 10; i++)262;263 264#pragma omp parallel 265#pragma omp for reduction(original(private),+:fl) 266for( int i = 0; i < 10; i++)267;268 269#endif270}271void test_interaction(){272int x;273#if defined(_OPENMP) && (_OPENMP >= 202411)274#pragma omp parallel private(x)275#pragma omp for reduction(original(private),+:x) nowait 276for (int i = 0; i < 10; ++i)277 x += 1;278#pragma omp parallel279{280#pragma omp for reduction(original(private),+:) // expected-error {{expected expression}}281for( int i = 0; i < 10; ++i)282;283}284#pragma omp parallel private(x)285#pragma omp for reduction(original(private),+:x) ordered286for (int i = 0; i < 10; ++i)287 x += 1;288#endif289 }290template<typename T>291void test_template_reduction() {292 T x = T();293#if defined(_OPENMP) && (_OPENMP >= 202411) 294 #pragma omp parallel private(x)295 {296 #pragma omp for reduction(original(private),+:x) 297 for (int i = 0; i < 10; ++i) {298 x += T(1);299 }300 }301#endif302}303struct Custom {304 int value;305 Custom() : value(0) {}306 Custom& operator+=(const Custom& other) {307 value += other.value;308 return *this;309 }310};311void test_user_defined_type() {312 Custom c;313#if defined(_OPENMP) && (_OPENMP >= 202411) 314 #pragma omp parallel private(c)315 #pragma omp for reduction(original(private),+:c)316 for (int i = 0; i < 10; ++i)317 c.value += 1;318#endif319 }320}321 322namespace A {323double x;324#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}325}326namespace B {327using A::x;328}329 330int main(int argc, char **argv) {331 const int d = 5; // expected-note 2 {{'d' defined here}}332 const int da[5] = {0}; // expected-note {{'da' defined here}}333 int qa[5] = {0};334 S4 e(4);335 S5 g(5);336 int i, z;337 int &j = i; // expected-note 2 {{'j' defined here}}338 S3 &p = k; // expected-note 2 {{'p' defined here}}339 const int &r = da[i]; // expected-note {{'r' defined here}}340 int &q = qa[i]; // expected-note {{'q' defined here}}341 float fl;342#pragma omp parallel for reduction // expected-error {{expected '(' after 'reduction'}}343 for (int i = 0; i < 10; ++i)344 foo();345#pragma omp parallel for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}346 for (int i = 0; i < 10; ++i)347 foo();348#pragma omp parallel for reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}349 for (int i = 0; i < 10; ++i)350 foo();351#pragma omp parallel for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}352 for (int i = 0; i < 10; ++i)353 foo();354#pragma omp parallel for reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}355 for (int i = 0; i < 10; ++i)356 foo();357#pragma omp parallel for reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}358 for (int i = 0; i < 10; ++i)359 foo();360#pragma omp parallel for reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}361 for (int i = 0; i < 10; ++i)362 foo();363#pragma omp parallel for reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp51-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}364 for (int i = 0; i < 10; ++i)365 foo();366#pragma omp parallel for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}367 for (int i = 0; i < 10; ++i)368 foo();369#pragma omp parallel for reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}370 for (int i = 0; i < 10; ++i)371 foo();372#pragma omp parallel for reduction(~ : argc) // expected-error {{expected unqualified-id}}373 for (int i = 0; i < 10; ++i)374 foo();375#pragma omp parallel for reduction(&& : argc)376 for (int i = 0; i < 10; ++i)377 foo();378#pragma omp parallel for reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}379 for (int i = 0; i < 10; ++i)380 foo();381#pragma omp parallel for reduction(+ : z, a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}}382 for (int i = 0; i < 10; ++i)383 foo();384#pragma omp parallel for reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be reduction}}385 for (int i = 0; i < 10; ++i)386 foo();387#pragma omp parallel for reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}388 for (int i = 0; i < 10; ++i)389 foo();390#pragma omp parallel for reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}391 for (int i = 0; i < 10; ++i)392 foo();393#pragma omp parallel for reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}394 for (int i = 0; i < 10; ++i)395 foo();396#pragma omp parallel for reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}397 for (int i = 0; i < 10; ++i)398 foo();399#pragma omp parallel for reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}400 for (int i = 0; i < 10; ++i)401 foo();402#pragma omp parallel for reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}403 for (int i = 0; i < 10; ++i)404 foo();405#pragma omp parallel for reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}406 for (int i = 0; i < 10; ++i)407 foo();408#pragma omp parallel for reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}}409 for (int i = 0; i < 10; ++i)410 foo();411#pragma omp parallel for reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}412 for (int i = 0; i < 10; ++i)413 foo();414#pragma omp parallel for reduction(+ : o) // expected-error {{no viable overloaded '='}}415 for (int i = 0; i < 10; ++i)416 foo();417#pragma omp parallel for private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}418 for (int i = 0; i < 10; ++i)419 foo();420#pragma omp parallel private(k)421#pragma omp parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}422 for (int i = 0; i < 10; ++i)423 foo();424#pragma omp parallel for reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}425 for (int i = 0; i < 10; ++i)426 foo();427#pragma omp parallel for reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}428 for (int i = 0; i < 10; ++i)429 foo();430#pragma omp parallel shared(i)431#pragma omp parallel reduction(min : i)432#pragma omp parallel for reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}433 for (int i = 0; i < 10; ++i)434 foo();435#pragma omp parallel private(fl)436#pragma omp parallel for reduction(+ : fl)437 for (int i = 0; i < 10; ++i)438 foo();439#pragma omp parallel reduction(* : fl)440#pragma omp parallel for reduction(+ : fl)441 for (int i = 0; i < 10; ++i)442 foo();443 static int m;444#pragma omp parallel for reduction(+ : m) // OK445 for (int i = 0; i < 10; ++i)446 m++;447#pragma omp parallel for reduction(task, + : m) // OK448 for (int i = 0; i < 10; ++i)449 m++;450 451#pragma omp parallel for reduction(inscan, + : m) reduction(*: fl) reduction(default, &&: j) // expected-error 2 {{expected 'reduction' clause with the 'inscan' modifier}} expected-note 2 {{'reduction' clause with 'inscan' modifier is used here}}452 for (int i = 0; i < 10; ++i) {453#pragma omp scan exclusive(m)454 m++;455 }456#pragma omp parallel for reduction(inscan, + : m, fl, j) // expected-error 2 {{the inscan reduction list item must appear as a list item in an 'inclusive' or 'exclusive' clause on an inner 'omp scan' directive}}457 for (int i = 0; i < 10; ++i) {458#pragma omp scan exclusive(m)459 m++;460 }461#pragma omp parallel for reduction(inscan, + : m, fl, j) // expected-error 2 {{the inscan reduction list item must appear as a list item in an 'inclusive' or 'exclusive' clause on an inner 'omp scan' directive}}462 for (int i = 0; i < 10; ++i) {463#pragma omp scan inclusive(m)464 m++;465 }466 467 return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}}468}469