1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized
2 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -std=c++98 %s -Wuninitialized
3 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -std=c++11 %s -Wuninitialized
4
5 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
6 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 -std=c++98 %s -Wuninitialized
7 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 -std=c++11 %s -Wuninitialized
8
9 int temp; // expected-note 7 {{'temp' declared here}}
10
11 #pragma omp declare reduction // expected-error {{expected '(' after 'declare reduction'}}
12 #pragma omp declare reduction { // expected-error {{expected '(' after 'declare reduction'}}
13 #pragma omp declare reduction( // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}}
14 #pragma omp declare reduction(# // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}}
15 #pragma omp declare reduction(/ // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}}
16 #pragma omp declare reduction(+ // expected-error {{expected ':'}}
17 #pragma omp declare reduction(operator // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}}
18 #pragma omp declare reduction(operator: // expected-error {{expected identifier or one of the following operators: '+', '-', '*', '&', '|', '^', '&&', or '||'}} expected-error {{expected a type}}
19 #pragma omp declare reduction(oper: // expected-error {{expected a type}}
20 #pragma omp declare reduction(oper; // expected-error {{expected ':'}} expected-error {{expected a type}}
21 #pragma omp declare reduction(fun : int // expected-error {{expected ':'}} expected-error {{expected expression}}
22 #pragma omp declare reduction(+ : const int: // expected-error {{reduction type cannot be qualified with 'const', 'volatile' or 'restrict'}}
23 #pragma omp declare reduction(- : volatile int: // expected-error {{reduction type cannot be qualified with 'const', 'volatile' or 'restrict'}}
24 #pragma omp declare reduction(* : int; // expected-error {{expected ','}} expected-error {{expected a type}}
25 #pragma omp declare reduction(& : double char: // expected-error {{cannot combine with previous 'double' declaration specifier}} expected-error {{expected expression}}
26 #pragma omp declare reduction(^ : double, char, : // expected-error {{expected a type}} expected-error {{expected expression}}
27 #pragma omp declare reduction(&& : int, S: // expected-error {{unknown type name 'S'}} expected-error {{expected expression}}
28 #pragma omp declare reduction(|| : int, double : temp += omp_in) // expected-error 2 {{only 'omp_in' or 'omp_out' variables are allowed in combiner expression}}
29 #pragma omp declare reduction(| : char, float : omp_out += ::temp) // expected-error 2 {{only 'omp_in' or 'omp_out' variables are allowed in combiner expression}}
30 #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'}}
31 #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}}
32 #pragma omp declare reduction(fun : long & : omp_out += omp_in) // expected-error {{reduction type cannot be a reference type}}
33 #pragma omp declare reduction(fun : long(void) : omp_out += omp_in) // expected-error {{reduction type cannot be a function type}}
34 #pragma omp declare reduction(fun : long[3] : omp_out += omp_in) // expected-error {{reduction type cannot be an array type}}
35 #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}}
36
37 template <class T>
38 class Class1 {
39 T a;
40 public:
Class1()41 Class1() : a() {}
42 #pragma omp declare reduction(fun : T : temp) // expected-error {{only 'omp_in' or 'omp_out' variables are allowed in combiner expression}}
43 #pragma omp declare reduction(fun1 : T : omp_out++) // expected-note {{previous definition is here}} expected-error {{reduction type cannot be a reference type}}
44 #pragma omp declare reduction(fun1 : T : omp_out += omp_in) // expected-error {{redefinition of user-defined reduction for type 'T'}}
45 #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}}
46 #pragma omp declare reduction(foo : T : omp_out += this->a) // expected-error {{invalid use of 'this' outside of a non-static member function}}
47 };
48
49 Class1<char &> e; // expected-note {{in instantiation of template class 'Class1<char &>' requested here}}
50
51 template <class T>
52 class Class2 : public Class1<T> {
53 #pragma omp declare reduction(fun : T : omp_out += omp_in)
54 };
55
56 #pragma omp declare reduction(fun222 : long : omp_out += omp_in) // expected-note {{previous definition is here}}
57 #pragma omp declare reduction(fun222 : long : omp_out += omp_in) // expected-error {{redefinition of user-defined reduction for type 'long'}}
58 #pragma omp declare reduction(fun1 : long : omp_out += omp_in) initializer // expected-error {{expected '(' after 'initializer'}}
59 #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}}
60 #pragma omp declare reduction(fun3 : long : omp_out += omp_in) initializer[
61 // expected-error@-1 {{expected '(' after 'initializer'}}
62 // expected-error@-2 {{expected variable name or 'this' in lambda capture list}}
63 // expected-error@-3 {{expected ')'}}
64 // expected-note@-4 {{to match this '('}}
65 #pragma omp declare reduction(fun4 : long : omp_out += omp_in) initializer() // expected-error {{expected expression}}
66 #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}}
67 #pragma omp declare reduction(fun6 : long : omp_out += omp_in) initializer(omp_orig // expected-error {{expected ')'}} expected-note {{to match this '('}}
68 #pragma omp declare reduction(fun7 : long : omp_out += omp_in) initializer(omp_priv Class1 < int > ()) // expected-error {{expected ')'}} expected-note {{to match this '('}}
69 #pragma omp declare reduction(fun77 : long : omp_out += omp_in) initializer(omp_priv Class2 < int > ()) // expected-error {{expected ')'}} expected-note {{to match this '('}}
70 #pragma omp declare reduction(fun8 : long : omp_out += omp_in) initializer(omp_priv 23) // expected-error {{expected ')'}} expected-note {{to match this '('}}
71 #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}}
72 #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}}
73 #pragma omp declare reduction(fun10 : long : omp_out += omp_in) initializer(omp_priv = 23)
74
75 template <typename T>
fun(T arg)76 T fun(T arg) {
77 #pragma omp declare reduction(red : T : omp_out++)
78 {
79 #pragma omp declare reduction(red : T : omp_out++) // expected-note {{previous definition is here}}
80 #pragma omp declare reduction(red : T : omp_out++) // expected-error {{redefinition of user-defined reduction for type 'T'}}
81 #pragma omp declare reduction(fun : T : omp_out += omp_in) initializer(omp_priv = 23)
82 }
83 return arg;
84 }
85
86 template <typename T>
foo(T arg)87 T foo(T arg) {
88 T i;
89 {
90 #pragma omp declare reduction(red : T : omp_out++)
91 #pragma omp declare reduction(red1 : T : omp_out++) // expected-note {{previous definition is here}}
92 #pragma omp declare reduction(red1 : int : omp_out++) // expected-error {{redefinition of user-defined reduction for type 'int'}}
93 #pragma omp parallel reduction (red : i)
94 {
95 }
96 #pragma omp parallel reduction (red1 : i)
97 {
98 }
99 #pragma omp parallel reduction (red2 : i) // expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
100 {
101 }
102 }
103 {
104 #pragma omp declare reduction(red1 : int : omp_out++) // expected-note {{previous definition is here}}
105 #pragma omp declare reduction(red : T : omp_out++)
106 #pragma omp declare reduction(red1 : T : omp_out++) // expected-error {{redefinition of user-defined reduction for type 'int'}}
107 #pragma omp parallel reduction (red : i)
108 {
109 }
110 #pragma omp parallel reduction (red1 : i)
111 {
112 }
113 #pragma omp parallel reduction (red2 : i) // expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
114 {
115 }
116 }
117 return arg;
118 }
119
120 #pragma omp declare reduction(foo : int : ({int a = omp_in; a = a * 2; omp_out += a; }))
main()121 int main() {
122 Class1<int> c1;
123 int i;
124 #pragma omp parallel reduction (::fun : c1)
125 {
126 }
127 #pragma omp parallel reduction (::Class1<int>::fun : c1)
128 {
129 }
130 #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'}}
131 {
132 }
133 return fun(15) + foo(15); // expected-note {{in instantiation of function template specialization 'foo<int>' requested here}}
134 }
135
136 #if __cplusplus == 201103L
137 struct A {
AA138 A() {}
139 A(const A &) = default;
140 };
141
A_TEST()142 int A_TEST() {
143 A test, test1;
144 #pragma omp declare reduction(+ : A : omp_out) initializer(omp_priv = A()) allocate(test) // expected-warning {{extra tokens at the end of '#pragma omp declare reduction' are ignored}}
145 #pragma omp parallel reduction(+ : test) reduction(::operator+: test1) // expected-error {{unable to resolve declare reduction construct for type 'A'}}
146 {}
147 return 0;
148 }
149
150 struct U
151 {
152 void foo(U&, bool);
153 U();
154 };
155 template <int N>
156 struct S
157 {
158 int s;
159 // expected-note@+1 {{'foo' declared here}}
fooS160 void foo(S &x) {};
161 // expected-error@+1 {{too many arguments to function call, expected single argument 'x', have 2 arguments}}
162 #pragma omp declare reduction (foo : U, S : omp_out.foo(omp_in, false))
163 #pragma omp declare reduction (xxx : U, S : bar(omp_in)) // expected-error {{non-const lvalue reference to type 'S<1>' cannot bind to a value of unrelated type 'U'}}
164 static void bar(S &x); // expected-note {{passing argument to parameter 'x' here}}
165 };
166 // expected-note@+1 {{in instantiation of template class 'S<1>' requested here}}
167 #pragma omp declare reduction (bar : S<1> : omp_out.foo(omp_in))
168
169 #endif
170