1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4
5 typedef void **omp_allocator_handle_t;
6 extern const omp_allocator_handle_t omp_null_allocator;
7 extern const omp_allocator_handle_t omp_default_mem_alloc;
8 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
9 extern const omp_allocator_handle_t omp_const_mem_alloc;
10 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
11 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
12 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
13 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
14 extern const omp_allocator_handle_t omp_thread_mem_alloc;
15
xxx(int argc)16 void xxx(int argc) {
17 int i, lin, step; // expected-note {{initialize the variable 'lin' to silence this warning}} expected-note {{initialize the variable 'step' to silence this warning}}
18 #pragma omp parallel master taskloop simd linear(i, lin : step) // expected-warning {{variable 'lin' is uninitialized when used here}} expected-warning {{variable 'step' is uninitialized when used here}}
19 for (i = 0; i < 10; ++i)
20 ;
21 }
22
23 namespace X {
24 int x;
25 };
26
27 struct B {
28 static int ib; // expected-note {{'B::ib' declared here}}
bfooB29 static int bfoo() { return 8; }
30 };
31
bfoo()32 int bfoo() { return 4; }
33
34 int z;
35 const int C1 = 1;
36 const int C2 = 2;
test_linear_colons()37 void test_linear_colons()
38 {
39 int B = 0;
40 #pragma omp parallel master taskloop simd linear(B:bfoo())
41 for (int i = 0; i < 10; ++i) ;
42 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
43 #pragma omp parallel master taskloop simd linear(B::ib:B:bfoo())
44 for (int i = 0; i < 10; ++i) ;
45 // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
46 #pragma omp parallel master taskloop simd linear(B:ib)
47 for (int i = 0; i < 10; ++i) ;
48 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
49 #pragma omp parallel master taskloop simd linear(z:B:ib)
50 for (int i = 0; i < 10; ++i) ;
51 #pragma omp parallel master taskloop simd linear(B:B::bfoo())
52 for (int i = 0; i < 10; ++i) ;
53 #pragma omp parallel master taskloop simd linear(X::x : ::z)
54 for (int i = 0; i < 10; ++i) ;
55 #pragma omp parallel master taskloop simd linear(B,::z, X::x)
56 for (int i = 0; i < 10; ++i) ;
57 #pragma omp parallel master taskloop simd linear(::z)
58 for (int i = 0; i < 10; ++i) ;
59 // expected-error@+1 {{expected variable name}}
60 #pragma omp parallel master taskloop simd linear(B::bfoo())
61 for (int i = 0; i < 10; ++i) ;
62 #pragma omp parallel master taskloop simd linear(B::ib,B:C1+C2)
63 for (int i = 0; i < 10; ++i) ;
64 }
65
test_template(T * arr,N num)66 template<int L, class T, class N> T test_template(T* arr, N num) {
67 N i;
68 T sum = (T)0;
69 T ind2 = - num * L; // expected-note {{'ind2' defined here}}
70 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
71 #pragma omp parallel master taskloop simd linear(ind2:L)
72 for (i = 0; i < num; ++i) {
73 T cur = arr[(int)ind2];
74 ind2 += L;
75 sum += cur;
76 }
77 return T();
78 }
79
test_warn()80 template<int LEN> int test_warn() {
81 int ind2 = 0;
82 // expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
83 #pragma omp parallel master taskloop simd linear(ind2:LEN)
84 for (int i = 0; i < 100; i++) {
85 ind2 += LEN;
86 }
87 return ind2;
88 }
89
90 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
91 extern S1 a;
92 class S2 {
93 mutable int a;
94 public:
S2()95 S2():a(0) { }
96 };
97 const S2 b; // expected-note 2 {{'b' defined here}}
98 const S2 ba[5];
99 class S3 {
100 int a;
101 public:
S3()102 S3():a(0) { }
103 };
104 const S3 ca[5];
105 class S4 {
106 int a;
107 S4();
108 public:
S4(int v)109 S4(int v):a(v) { }
110 };
111 class S5 {
112 int a;
S5()113 S5():a(0) {}
114 public:
S5(int v)115 S5(int v):a(v) { }
116 };
117
118 S3 h;
119 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
120
foomain(I argc,C ** argv)121 template<class I, class C> int foomain(I argc, C **argv) {
122 I e(4);
123 I g(5);
124 int i, z;
125 int &j = i;
126 #pragma omp parallel master taskloop simd linear // expected-error {{expected '(' after 'linear'}}
127 for (int k = 0; k < argc; ++k) ++k;
128 #pragma omp parallel master taskloop simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
129 for (int k = 0; k < argc; ++k) ++k;
130 #pragma omp parallel master taskloop simd linear (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
131 for (int k = 0; k < argc; ++k) ++k;
132 #pragma omp parallel master taskloop simd linear (uval( // expected-error {{expected expression}} expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
133 for (int k = 0; k < argc; ++k) ++k;
134 #pragma omp parallel master taskloop simd linear (ref() // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
135 for (int k = 0; k < argc; ++k) ++k;
136 #pragma omp parallel master taskloop simd linear (foo() // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
137 for (int k = 0; k < argc; ++k) ++k;
138 #pragma omp parallel master taskloop simd linear () // expected-error {{expected expression}}
139 for (int k = 0; k < argc; ++k) ++k;
140 #pragma omp parallel master taskloop simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
141 for (int k = 0; k < argc; ++k) ++k;
142 #pragma omp parallel master taskloop simd linear (val argc // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
143 for (int k = 0; k < argc; ++k) ++k;
144 #pragma omp parallel master taskloop simd linear (val(argc, // expected-error {{expected expression}} expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
145 for (int k = 0; k < argc; ++k) ++k;
146 #pragma omp parallel master taskloop simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
147 for (int k = 0; k < argc; ++k) ++k;
148 #pragma omp parallel master taskloop 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 '('}}
149 for (int k = 0; k < argc; ++k) ++k;
150 #pragma omp parallel master taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
151 for (int k = 0; k < argc; ++k) ++k;
152 // expected-error@+2 {{linear variable with incomplete type 'S1'}}
153 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
154 #pragma omp parallel master taskloop simd linear (val(a, b):B::ib)
155 for (int k = 0; k < argc; ++k) ++k;
156 #pragma omp parallel master taskloop simd linear (argv[1]) // expected-error {{expected variable name}}
157 for (int k = 0; k < argc; ++k) ++k;
158 #pragma omp parallel master taskloop simd linear(ref(e, g)) // expected-error 2 {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'ref'}}
159 for (int k = 0; k < argc; ++k) ++k;
160 #pragma omp parallel master taskloop simd linear(h, z) // expected-error {{threadprivate or thread local variable cannot be linear}}
161 for (int k = 0; k < argc; ++k) ++k;
162 #pragma omp parallel master taskloop simd linear(uval(i)) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}
163 for (int k = 0; k < argc; ++k) ++k;
164 #pragma omp parallel
165 {
166 int v = 0;
167 int i;
168 #pragma omp parallel master taskloop simd allocate(omp_thread_mem_alloc: v) linear(v:i) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'parallel master taskloop simd' directive}}
169 for (int k = 0; k < argc; ++k) { i = k; v += i; }
170 }
171 #pragma omp parallel master taskloop simd linear(ref(j))
172 for (int k = 0; k < argc; ++k) ++k;
173 #pragma omp parallel master taskloop simd linear(uval(j))
174 for (int k = 0; k < argc; ++k) ++k;
175 int v = 0;
176 #pragma omp parallel master taskloop simd linear(v:j)
177 for (int k = 0; k < argc; ++k) { ++k; v += j; }
178 #pragma omp parallel master taskloop simd linear(i)
179 for (int k = 0; k < argc; ++k) ++k;
180 return 0;
181 }
182
183 namespace A {
184 double x;
185 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
186 }
187 namespace C {
188 using A::x;
189 }
190
linear_modifiers(int argc)191 void linear_modifiers(int argc) {
192 int &f = argc;
193 #pragma omp parallel master taskloop simd linear(f)
194 for (int k = 0; k < argc; ++k) ++k;
195 #pragma omp parallel master taskloop simd linear(val(f))
196 for (int k = 0; k < argc; ++k) ++k;
197 #pragma omp parallel master taskloop simd linear(uval(f))
198 for (int k = 0; k < argc; ++k) ++k;
199 #pragma omp parallel master taskloop simd linear(ref(f))
200 for (int k = 0; k < argc; ++k) ++k;
201 #pragma omp parallel master taskloop simd linear(foo(f)) // expected-error {{expected one of 'ref', val' or 'uval' modifiers}}
202 for (int k = 0; k < argc; ++k) ++k;
203 }
204
205 int f;
main(int argc,char ** argv)206 int main(int argc, char **argv) {
207 double darr[100];
208 // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
209 test_template<-4>(darr, 4);
210 // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
211 test_warn<0>();
212
213 S4 e(4); // expected-note {{'e' defined here}}
214 S5 g(5); // expected-note {{'g' defined here}}
215 int i, z;
216 int &j = i;
217 #pragma omp parallel master taskloop simd linear(f) linear(f) // expected-error {{linear variable cannot be linear}} expected-note {{defined as linear}}
218 for (int k = 0; k < argc; ++k) ++k;
219 #pragma omp parallel master taskloop simd linear // expected-error {{expected '(' after 'linear'}}
220 for (int k = 0; k < argc; ++k) ++k;
221 #pragma omp parallel master taskloop simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
222 for (int k = 0; k < argc; ++k) ++k;
223 #pragma omp parallel master taskloop simd linear () // expected-error {{expected expression}}
224 for (int k = 0; k < argc; ++k) ++k;
225 #pragma omp parallel master taskloop simd linear (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
226 for (int k = 0; k < argc; ++k) ++k;
227 #pragma omp parallel master taskloop simd linear (ref()) // expected-error {{expected expression}}
228 for (int k = 0; k < argc; ++k) ++k;
229 #pragma omp parallel master taskloop simd linear (foo()) // expected-error {{expected expression}}
230 for (int k = 0; k < argc; ++k) ++k;
231 #pragma omp parallel master taskloop simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
232 for (int k = 0; k < argc; ++k) ++k;
233 #pragma omp parallel master taskloop simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
234 for (int k = 0; k < argc; ++k) ++k;
235 #pragma omp parallel master taskloop simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
236 for (int k = 0; k < argc; ++k) ++k;
237 #pragma omp parallel master taskloop simd linear (argc, z)
238 for (int k = 0; k < argc; ++k) ++k;
239 #pragma omp parallel master taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
240 for (int k = 0; k < argc; ++k) ++k;
241 // expected-error@+2 {{linear variable with incomplete type 'S1'}}
242 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
243 #pragma omp parallel master taskloop simd linear(a, b)
244 for (int k = 0; k < argc; ++k) ++k;
245 #pragma omp parallel master taskloop simd linear (argv[1]) // expected-error {{expected variable name}}
246 for (int k = 0; k < argc; ++k) ++k;
247 // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
248 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
249 #pragma omp parallel master taskloop simd linear(val(e, g))
250 for (int k = 0; k < argc; ++k) ++k;
251 #pragma omp parallel master taskloop simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
252 for (int k = 0; k < argc; ++k) ++k;
253 #pragma omp parallel
254 {
255 int i;
256 #pragma omp parallel master taskloop simd linear(val(i))
257 for (int k = 0; k < argc; ++k) ++k;
258 #pragma omp parallel master taskloop simd linear(uval(i) : 4) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}
259 for (int k = 0; k < argc; ++k) { ++k; i += 4; }
260 }
261 #pragma omp parallel master taskloop simd linear(ref(j))
262 for (int k = 0; k < argc; ++k) ++k;
263 #pragma omp parallel master taskloop simd linear(i)
264 for (int k = 0; k < argc; ++k) ++k;
265
266 foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
267 return 0;
268 }
269
270