1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s 2 3 int temp; // expected-note 7 {{'temp' declared here}} 4 5 #pragma omp declare reduction // expected-error {{expected '(' after 'declare reduction'}} 6 #pragma omp declare reduction { // expected-error {{expected '(' after 'declare reduction'}} 7 #pragma omp declare reduction( // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}} 8 #pragma omp declare reduction(# // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}} 9 #pragma omp declare reduction(/ // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}} 10 #pragma omp declare reduction(+ // expected-error {{expected ':'}} 11 #pragma omp declare reduction(operator // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}} 12 #pragma omp declare reduction(operator: // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}} expected-error {{expected a type}} 13 #pragma omp declare reduction(oper: // expected-error {{expected a type}} 14 #pragma omp declare reduction(oper; // expected-error {{expected ':'}} expected-error {{expected a type}} 15 #pragma omp declare reduction(fun : int // expected-error {{expected ':'}} expected-error {{expected expression}} 16 #pragma omp declare reduction(+ : const int: // expected-error {{reduction type cannot be qualified with 'const', 'volatile' or 'restrict'}} 17 #pragma omp declare reduction(- : volatile int: // expected-error {{reduction type cannot be qualified with 'const', 'volatile' or 'restrict'}} 18 #pragma omp declare reduction(* : int; // expected-error {{expected ','}} expected-error {{expected a type}} 19 #pragma omp declare reduction(& : double char: // expected-error {{cannot combine with previous 'double' declaration specifier}} expected-error {{expected expression}} 20 #pragma omp declare reduction(^ : double, char, : // expected-error {{expected a type}} expected-error {{expected expression}} 21 #pragma omp declare reduction(&& : int, S: // expected-error {{unknown type name 'S'}} expected-error {{expected expression}} 22 #pragma omp declare reduction(|| : int, double : temp += omp_in) // expected-error 2 {{only 'omp_in' or 'omp_out' variables are allowed in combiner expression}} 23 #pragma omp declare reduction(| : char, float : omp_out += ::temp) // expected-error 2 {{only 'omp_in' or 'omp_out' variables are allowed in combiner expression}} 24 #pragma omp declare reduction(fun : long : omp_out += omp_in) { // expected-warning {{extra tokens at the end of '#pragma omp declare reduction' are ignored}} expected-error {{expected 'initializer'}} 25 #pragma omp declare reduction(fun : unsigned : omp_out += ::temp)) // expected-warning {{extra tokens at the end of '#pragma omp declare reduction' are ignored}} expected-error {{expected 'initializer'}} expected-error {{only 'omp_in' or 'omp_out' variables are allowed in combiner expression}} 26 #pragma omp declare reduction(fun : long & : omp_out += omp_in) // expected-error {{reduction type cannot be a reference type}} 27 #pragma omp declare reduction(fun : long(void) : omp_out += omp_in) // expected-error {{reduction type cannot be a function type}} 28 #pragma omp declare reduction(fun : long[3] : omp_out += omp_in) // expected-error {{reduction type cannot be an array type}} 29 #pragma omp declare reduction(fun23 : long, int, long : omp_out += omp_in) // expected-error {{redefinition of user-defined reduction for type 'long'}} expected-note {{previous definition is here}} 30 31 template <class T> 32 class Class1 { 33 T a; 34 public: 35 Class1() : a() {} 36 #pragma omp declare reduction(fun : T : temp) // expected-error {{only 'omp_in' or 'omp_out' variables are allowed in combiner expression}} 37 #pragma omp declare reduction(fun1 : T : omp_out++) // expected-note {{previous definition is here}} expected-error {{reduction type cannot be a reference type}} 38 #pragma omp declare reduction(fun1 : T : omp_out += omp_in) // expected-error {{redefinition of user-defined reduction for type 'T'}} 39 #pragma omp declare reduction(fun2 : T, T : omp_out++) // expected-error {{reduction type cannot be a reference type}} expected-error {{redefinition of user-defined reduction for type 'T'}} expected-note {{previous definition is here}} 40 #pragma omp declare reduction(foo : T : omp_out += this->a) // expected-error {{invalid use of 'this' outside of a non-static member function}} 41 }; 42 43 Class1<char &> e; // expected-note {{in instantiation of template class 'Class1<char &>' requested here}} 44 45 template <class T> 46 class Class2 : public Class1<T> { 47 #pragma omp declare reduction(fun : T : omp_out += omp_in) 48 }; 49 50 #pragma omp declare reduction(fun222 : long : omp_out += omp_in) // expected-note {{previous definition is here}} 51 #pragma omp declare reduction(fun222 : long : omp_out += omp_in) // expected-error {{redefinition of user-defined reduction for type 'long'}} 52 #pragma omp declare reduction(fun1 : long : omp_out += omp_in) initializer // expected-error {{expected '(' after 'initializer'}} 53 #pragma omp declare reduction(fun2 : long : omp_out += omp_in) initializer { // expected-error {{expected '(' after 'initializer'}} expected-error {{expected expression}} expected-warning {{extra tokens at the end of '#pragma omp declare reduction' are ignored}} 54 #pragma omp declare reduction(fun3 : long : omp_out += omp_in) initializer[ // expected-error {{expected '(' after 'initializer'}} expected-error {{expected expression}} expected-warning {{extra tokens at the end of '#pragma omp declare reduction' are ignored}} 55 #pragma omp declare reduction(fun4 : long : omp_out += omp_in) initializer() // expected-error {{expected expression}} 56 #pragma omp declare reduction(fun5 : long : omp_out += omp_in) initializer(temp) // expected-error {{only 'omp_priv' or 'omp_orig' variables are allowed in initializer expression}} 57 #pragma omp declare reduction(fun6 : long : omp_out += omp_in) initializer(omp_orig // expected-error {{expected ')'}} expected-note {{to match this '('}} 58 #pragma omp declare reduction(fun7 : long : omp_out += omp_in) initializer(omp_priv Class1 < int > ()) // expected-error {{expected ')'}} expected-note {{to match this '('}} 59 #pragma omp declare reduction(fun77 : long : omp_out += omp_in) initializer(omp_priv Class2 < int > ()) // expected-error {{expected ')'}} expected-note {{to match this '('}} 60 #pragma omp declare reduction(fun8 : long : omp_out += omp_in) initializer(omp_priv 23) // expected-error {{expected ')'}} expected-note {{to match this '('}} 61 #pragma omp declare reduction(fun88 : long : omp_out += omp_in) initializer(omp_priv 23)) // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-warning {{extra tokens at the end of '#pragma omp declare reduction' are ignored}} 62 #pragma omp declare reduction(fun9 : long : omp_out += omp_priv) initializer(omp_in = 23) // expected-error {{use of undeclared identifier 'omp_priv'; did you mean 'omp_in'?}} expected-note {{'omp_in' declared here}} 63 #pragma omp declare reduction(fun10 : long : omp_out += omp_in) initializer(omp_priv = 23) 64 65 template <typename T> 66 T fun(T arg) { 67 #pragma omp declare reduction(red : T : omp_out++) 68 { 69 #pragma omp declare reduction(red : T : omp_out++) // expected-note {{previous definition is here}} 70 #pragma omp declare reduction(red : T : omp_out++) // expected-error {{redefinition of user-defined reduction for type 'T'}} 71 #pragma omp declare reduction(fun : T : omp_out += omp_in) initializer(omp_priv = 23) 72 } 73 return arg; 74 } 75 76 template <typename T> 77 T foo(T arg) { 78 T i; 79 { 80 #pragma omp declare reduction(red : T : omp_out++) 81 #pragma omp declare reduction(red1 : T : omp_out++) // expected-note {{previous definition is here}} 82 #pragma omp declare reduction(red1 : int : omp_out++) // expected-error {{redefinition of user-defined reduction for type 'int'}} 83 #pragma omp parallel reduction (red : i) 84 { 85 } 86 #pragma omp parallel reduction (red1 : i) 87 { 88 } 89 #pragma omp parallel reduction (red2 : i) // expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} 90 { 91 } 92 } 93 { 94 #pragma omp declare reduction(red1 : int : omp_out++) // expected-note {{previous definition is here}} 95 #pragma omp declare reduction(red : T : omp_out++) 96 #pragma omp declare reduction(red1 : T : omp_out++) // expected-error {{redefinition of user-defined reduction for type 'int'}} 97 #pragma omp parallel reduction (red : i) 98 { 99 } 100 #pragma omp parallel reduction (red1 : i) 101 { 102 } 103 #pragma omp parallel reduction (red2 : i) // expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} 104 { 105 } 106 } 107 return arg; 108 } 109 110 #pragma omp declare reduction(foo : int : ({int a = omp_in; a = a * 2; omp_out += a; })) 111 int main() { 112 Class1<int> c1; 113 int i; 114 #pragma omp parallel reduction (::fun : c1) 115 { 116 } 117 #pragma omp parallel reduction (::Class1<int>::fun : c1) 118 { 119 } 120 #pragma omp parallel reduction (::Class2<int>::fun : i) // expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} 121 { 122 } 123 return fun(15) + foo(15); // expected-note {{in instantiation of function template specialization 'foo<int>' requested here}} 124 } 125
