1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4
5 extern int omp_default_mem_alloc;
xxx(int argc)6 void xxx(int argc) {
7 int i, lin, step; // expected-note {{initialize the variable 'lin' to silence this warning}} expected-note {{initialize the variable 'step' to silence this warning}}
8 #pragma omp parallel for simd linear(i, lin : step) // expected-warning {{variable 'lin' is uninitialized when used here}} expected-warning {{variable 'step' is uninitialized when used here}}
9 for (i = 0; i < 10; ++i)
10 ;
11 }
12
13 namespace X {
14 int x;
15 };
16
17 struct B {
18 static int ib; // expected-note {{'B::ib' declared here}}
bfooB19 static int bfoo() { return 8; }
20 };
21
bfoo()22 int bfoo() { return 4; }
23
24 int z;
25 const int C1 = 1;
26 const int C2 = 2;
test_linear_colons()27 void test_linear_colons()
28 {
29 int B = 0;
30 #pragma omp parallel for simd linear(B:bfoo())
31 for (int i = 0; i < 10; ++i) ;
32 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
33 #pragma omp parallel for simd linear(B::ib:B:bfoo())
34 for (int i = 0; i < 10; ++i) ;
35 // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
36 #pragma omp parallel for simd linear(B:ib)
37 for (int i = 0; i < 10; ++i) ;
38 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
39 #pragma omp parallel for simd linear(z:B:ib)
40 for (int i = 0; i < 10; ++i) ;
41 #pragma omp parallel for simd linear(B:B::bfoo())
42 for (int i = 0; i < 10; ++i) ;
43 #pragma omp parallel for simd linear(X::x : ::z)
44 for (int i = 0; i < 10; ++i) ;
45 #pragma omp parallel for simd linear(B,::z, X::x)
46 for (int i = 0; i < 10; ++i) ;
47 #pragma omp parallel for simd linear(::z)
48 for (int i = 0; i < 10; ++i) ;
49 // expected-error@+1 {{expected variable name}}
50 #pragma omp parallel for simd linear(B::bfoo())
51 for (int i = 0; i < 10; ++i) ;
52 #pragma omp parallel for simd linear(B::ib,B:C1+C2)
53 for (int i = 0; i < 10; ++i) ;
54 }
55
test_template(T * arr,N num)56 template<int L, class T, class N> T test_template(T* arr, N num) {
57 N i;
58 T sum = (T)0;
59 T ind2 = - num * L; // expected-note {{'ind2' defined here}}
60 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
61 #pragma omp parallel for simd linear(ind2:L)
62 for (i = 0; i < num; ++i) {
63 T cur = arr[(int)ind2];
64 ind2 += L;
65 sum += cur;
66 }
67 return T();
68 }
69
test_warn()70 template<int LEN> int test_warn() {
71 int ind2 = 0;
72 // expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
73 #pragma omp parallel for simd linear(ind2:LEN)
74 for (int i = 0; i < 100; i++) {
75 ind2 += LEN;
76 }
77 return ind2;
78 }
79
80 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
81 extern S1 a;
82 class S2 {
83 mutable int a;
84 public:
S2()85 S2():a(0) { }
86 };
87 const S2 b; // expected-note 2 {{'b' defined here}}
88 const S2 ba[5];
89 class S3 {
90 int a;
91 public:
S3()92 S3():a(0) { }
93 };
94 const S3 ca[5];
95 class S4 {
96 int a;
97 S4();
98 public:
S4(int v)99 S4(int v):a(v) { }
100 };
101 class S5 {
102 int a;
S5()103 S5():a(0) {}
104 public:
S5(int v)105 S5(int v):a(v) { }
106 };
107
108 S3 h;
109 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
110
foomain(I argc,C ** argv)111 template<class I, class C> int foomain(I argc, C **argv) {
112 I e(4);
113 I g(5);
114 int i, z;
115 int &j = i;
116 #pragma omp parallel for simd linear // expected-error {{expected '(' after 'linear'}}
117 for (int k = 0; k < argc; ++k) ++k;
118 #pragma omp parallel for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
119 for (int k = 0; k < argc; ++k) ++k;
120 #pragma omp parallel for simd linear () // expected-error {{expected expression}}
121 for (int k = 0; k < argc; ++k) ++k;
122 #pragma omp parallel for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
123 for (int k = 0; k < argc; ++k) ++k;
124 #pragma omp parallel for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
125 for (int k = 0; k < argc; ++k) ++k;
126 #pragma omp parallel for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
127 for (int k = 0; k < argc; ++k) ++k;
128 #pragma omp parallel for 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 '('}}
129 for (int k = 0; k < argc; ++k) ++k;
130 #pragma omp parallel for simd linear (S1) // expected-error {{'S1' does not refer to a value}}
131 for (int k = 0; k < argc; ++k) ++k;
132 // expected-error@+2 {{linear variable with incomplete type 'S1'}}
133 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
134 #pragma omp parallel for simd linear (a, b:B::ib)
135 for (int k = 0; k < argc; ++k) ++k;
136 #pragma omp parallel for simd linear (argv[1]) // expected-error {{expected variable name}}
137 for (int k = 0; k < argc; ++k) ++k;
138 #pragma omp parallel for simd linear(e, g)
139 for (int k = 0; k < argc; ++k) ++k;
140 #pragma omp parallel for simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
141 for (int k = 0; k < argc; ++k) ++k;
142 #pragma omp parallel for simd linear(i, z)
143 for (int k = 0; k < argc; ++k) ++k;
144 #pragma omp parallel
145 {
146 int v = 0;
147 int i;
148 #pragma omp parallel for simd linear(v:i)
149 for (int k = 0; k < argc; ++k) { i = k; v += i; }
150 }
151 #pragma omp parallel for simd linear(j)
152 for (int k = 0; k < argc; ++k) ++k;
153 int v = 0;
154 #pragma omp parallel for simd linear(v:j)
155 for (int k = 0; k < argc; ++k) { ++k; v += j; }
156 #pragma omp parallel for simd linear(i)
157 for (int k = 0; k < argc; ++k) ++k;
158 return 0;
159 }
160
161 namespace A {
162 double x;
163 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
164 }
165 namespace C {
166 using A::x;
167 }
168
main(int argc,char ** argv)169 int main(int argc, char **argv) {
170 double darr[100];
171 // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
172 test_template<-4>(darr, 4);
173 // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
174 test_warn<0>();
175
176 S4 e(4); // expected-note {{'e' defined here}}
177 S5 g(5); // expected-note {{'g' defined here}}
178 int i, z;
179 int &j = i;
180 #pragma omp parallel for simd linear // expected-error {{expected '(' after 'linear'}}
181 for (int k = 0; k < argc; ++k) ++k;
182 #pragma omp parallel for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
183 for (int k = 0; k < argc; ++k) ++k;
184 #pragma omp parallel for simd linear () // expected-error {{expected expression}}
185 for (int k = 0; k < argc; ++k) ++k;
186 #pragma omp parallel for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
187 for (int k = 0; k < argc; ++k) ++k;
188 #pragma omp parallel for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
189 for (int k = 0; k < argc; ++k) ++k;
190 #pragma omp parallel for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
191 for (int k = 0; k < argc; ++k) ++k;
192 #pragma omp parallel for simd linear (argc, z)
193 for (int k = 0; k < argc; ++k) ++k;
194 #pragma omp parallel for simd linear (S1) // expected-error {{'S1' does not refer to a value}}
195 for (int k = 0; k < argc; ++k) ++k;
196 // expected-error@+2 {{linear variable with incomplete type 'S1'}}
197 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
198 #pragma omp parallel for simd linear (a, b)
199 for (int k = 0; k < argc; ++k) ++k;
200 #pragma omp parallel for simd linear (argv[1]) // expected-error {{expected variable name}}
201 for (int k = 0; k < argc; ++k) ++k;
202 // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
203 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
204 #pragma omp parallel for simd linear(e, g)
205 for (int k = 0; k < argc; ++k) ++k;
206 #pragma omp parallel for simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
207 for (int k = 0; k < argc; ++k) ++k;
208 #pragma omp parallel
209 {
210 int i;
211 #pragma omp parallel for simd linear(i)
212 for (int k = 0; k < argc; ++k) ++k;
213 #pragma omp parallel for simd linear(i : 4)
214 for (int k = 0; k < argc; ++k) { ++k; i += 4; }
215 }
216 #pragma omp parallel for simd linear(j)
217 for (int k = 0; k < argc; ++k) ++k;
218 #pragma omp parallel for simd linear(i)
219 for (int k = 0; k < argc; ++k) ++k;
220
221 foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
222 return 0;
223 }
224
225