xref: /llvm-project/clang/test/OpenMP/masked_taskloop_simd_linear_messages.cpp (revision e44c28f07ede2bd693e2372317880f57a635fa73)
1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -DOMP52 %s -Wuninitialized
3 
4 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -DOMP52 %s -Wuninitialized
6 
7 typedef void **omp_allocator_handle_t;
8 extern const omp_allocator_handle_t omp_null_allocator;
9 extern const omp_allocator_handle_t omp_default_mem_alloc;
10 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
11 extern const omp_allocator_handle_t omp_const_mem_alloc;
12 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
13 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
14 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
15 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
16 extern const omp_allocator_handle_t omp_thread_mem_alloc;
17 
18 void xxx(int argc) {
19   int i, lin, step_sz; // expected-note {{initialize the variable 'lin' to silence this warning}} expected-note {{initialize the variable 'step_sz' to silence this warning}}
20 #pragma omp masked taskloop simd linear(i, lin : step_sz) // expected-warning {{variable 'lin' is uninitialized when used here}} expected-warning {{variable 'step_sz' is uninitialized when used here}}
21   for (i = 0; i < 10; ++i)
22     ;
23 }
24 
25 namespace X {
26   int x;
27 };
28 
29 struct B {
30   static int ib; // expected-note {{'B::ib' declared here}}
31   static int bfoo() { return 8; }
32 };
33 
34 int bfoo() { return 4; }
35 
36 int z;
37 const int C1 = 1;
38 const int C2 = 2;
39 void test_linear_colons()
40 {
41   int B = 0;
42   #pragma omp masked taskloop simd linear(B:bfoo())
43   for (int i = 0; i < 10; ++i) ;
44   // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
45   #pragma omp masked taskloop simd linear(B::ib:B:bfoo())
46   for (int i = 0; i < 10; ++i) ;
47   // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
48   #pragma omp masked taskloop simd linear(B:ib)
49   for (int i = 0; i < 10; ++i) ;
50   // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
51   #pragma omp masked taskloop simd linear(z:B:ib)
52   for (int i = 0; i < 10; ++i) ;
53   #pragma omp masked taskloop simd linear(B:B::bfoo())
54   for (int i = 0; i < 10; ++i) ;
55   #pragma omp masked taskloop simd linear(X::x : ::z)
56   for (int i = 0; i < 10; ++i) ;
57   #pragma omp masked taskloop simd linear(B,::z, X::x)
58   for (int i = 0; i < 10; ++i) ;
59   #pragma omp masked taskloop simd linear(::z)
60   for (int i = 0; i < 10; ++i) ;
61   // expected-error@+1 {{expected variable name}}
62   #pragma omp masked taskloop simd linear(B::bfoo())
63   for (int i = 0; i < 10; ++i) ;
64   #pragma omp masked taskloop simd linear(B::ib,B:C1+C2)
65   for (int i = 0; i < 10; ++i) ;
66 }
67 
68 template<int L, class T, class N> T test_template(T* arr, N num) {
69   N i;
70   T sum = (T)0;
71   T ind2 = - num * L; // expected-note {{'ind2' defined here}}
72   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
73 #pragma omp masked taskloop simd linear(ind2:L)
74   for (i = 0; i < num; ++i) {
75     T cur = arr[(int)ind2];
76     ind2 += L;
77     sum += cur;
78   }
79   return T();
80 }
81 
82 template<int LEN> int test_warn() {
83   int ind2 = 0;
84   // expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
85   #pragma omp masked taskloop simd linear(ind2:LEN)
86   for (int i = 0; i < 100; i++) {
87     ind2 += LEN;
88   }
89   return ind2;
90 }
91 
92 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
93 extern S1 a;
94 class S2 {
95   mutable int a;
96 public:
97   S2():a(0) { }
98 };
99 const S2 b; // expected-note 2 {{'b' defined here}}
100 const S2 ba[5];
101 class S3 {
102   int a;
103 public:
104   S3():a(0) { }
105 };
106 const S3 ca[5];
107 class S4 {
108   int a;
109   S4();
110 public:
111   S4(int v):a(v) { }
112 };
113 class S5 {
114   int a;
115   S5():a(0) {}
116 public:
117   S5(int v):a(v) { }
118 };
119 
120 S3 h;
121 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
122 
123 template<class I, class C> int foomain(I argc, C **argv) {
124   I e(4);
125   I g(5);
126   int i, z;
127   int &j = i;
128   #pragma omp masked taskloop simd linear // expected-error {{expected '(' after 'linear'}}
129   for (int k = 0; k < argc; ++k) ++k;
130   #pragma omp masked taskloop simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
131   for (int k = 0; k < argc; ++k) ++k;
132   #pragma omp masked taskloop simd linear (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
133   for (int k = 0; k < argc; ++k) ++k;
134   #pragma omp masked taskloop simd linear (uval( // expected-error {{expected expression}} expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
135   for (int k = 0; k < argc; ++k) ++k;
136   #pragma omp masked taskloop simd linear (ref() // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
137   for (int k = 0; k < argc; ++k) ++k;
138   #pragma omp masked taskloop simd linear (foo() // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
139   for (int k = 0; k < argc; ++k) ++k;
140   #pragma omp masked taskloop simd linear () // expected-error {{expected expression}}
141   for (int k = 0; k < argc; ++k) ++k;
142   #pragma omp masked taskloop simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
143   for (int k = 0; k < argc; ++k) ++k;
144   #pragma omp masked taskloop simd linear (val argc // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
145   for (int k = 0; k < argc; ++k) ++k;
146   #pragma omp masked taskloop simd linear (val(argc, // expected-error {{expected expression}} expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
147   for (int k = 0; k < argc; ++k) ++k;
148   #pragma omp masked taskloop simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
149   for (int k = 0; k < argc; ++k) ++k;
150   #pragma omp masked 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 '('}}
151   for (int k = 0; k < argc; ++k) ++k;
152   #pragma omp masked taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
153   for (int k = 0; k < argc; ++k) ++k;
154 #if defined(OMP52)
155   // omp52-error@+3{{step simple modifier is exclusive and cannot be use with 'val', 'uval' or 'ref' modifier}}
156   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
157   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
158   #pragma omp masked taskloop simd linear (a, b: val, B::ib)
159 #else
160   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
161   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
162   #pragma omp masked taskloop simd linear (val(a, b):B::ib)
163 #endif
164   for (int k = 0; k < argc; ++k) ++k;
165   #pragma omp masked taskloop simd linear (argv[1]) // expected-error {{expected variable name}}
166   for (int k = 0; k < argc; ++k) ++k;
167   #pragma omp masked 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'}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
168   for (int k = 0; k < argc; ++k) ++k;
169   #pragma omp masked taskloop simd linear(h, z) // expected-error {{threadprivate or thread local variable cannot be linear}}
170   for (int k = 0; k < argc; ++k) ++k;
171   #pragma omp masked taskloop simd linear(uval(i)) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}} omp52 {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
172   for (int k = 0; k < argc; ++k) ++k;
173   #pragma omp parallel
174   {
175     int v = 0;
176     int i;
177     #pragma omp masked taskloop simd allocate(omp_thread_mem_alloc: v) linear(v:i) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'masked taskloop simd' directive}}
178     for (int k = 0; k < argc; ++k) { i = k; v += i; }
179   }
180   #pragma omp masked taskloop simd linear(ref(j)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
181   for (int k = 0; k < argc; ++k) ++k;
182   #pragma omp masked taskloop simd linear(uval(j)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
183   for (int k = 0; k < argc; ++k) ++k;
184   int v = 0;
185   #pragma omp masked taskloop simd linear(v:j)
186   for (int k = 0; k < argc; ++k) { ++k; v += j; }
187   #pragma omp masked taskloop simd linear(i)
188   for (int k = 0; k < argc; ++k) ++k;
189   return 0;
190 }
191 
192 namespace A {
193 double x;
194 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
195 }
196 namespace C {
197 using A::x;
198 }
199 
200 void linear_modifiers(int argc) {
201   int &f = argc;
202   #pragma omp masked taskloop simd linear(f)
203   for (int k = 0; k < argc; ++k) ++k;
204   #pragma omp masked taskloop simd linear(val(f)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
205   for (int k = 0; k < argc; ++k) ++k;
206   #pragma omp masked taskloop simd linear(uval(f)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
207   for (int k = 0; k < argc; ++k) ++k;
208   #pragma omp masked taskloop simd linear(ref(f)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
209   for (int k = 0; k < argc; ++k) ++k;
210   #pragma omp masked taskloop simd linear(foo(f)) // expected-error {{expected one of 'ref', val' or 'uval' modifiers}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
211   for (int k = 0; k < argc; ++k) ++k;
212 }
213 
214 int f;
215 int main(int argc, char **argv) {
216   double darr[100];
217   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
218   test_template<-4>(darr, 4);
219   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
220   test_warn<0>();
221 
222   S4 e(4); // expected-note {{'e' defined here}}
223   S5 g(5); // expected-note {{'g' defined here}}
224   int i, z;
225   int &j = i;
226   #pragma omp masked taskloop simd linear(f) linear(f) // expected-error {{linear variable cannot be linear}} expected-note {{defined as linear}}
227   for (int k = 0; k < argc; ++k) ++k;
228   #pragma omp masked taskloop simd linear // expected-error {{expected '(' after 'linear'}}
229   for (int k = 0; k < argc; ++k) ++k;
230   #pragma omp masked taskloop simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
231   for (int k = 0; k < argc; ++k) ++k;
232   #pragma omp masked taskloop simd linear () // expected-error {{expected expression}}
233   for (int k = 0; k < argc; ++k) ++k;
234   #pragma omp masked taskloop simd linear (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
235   for (int k = 0; k < argc; ++k) ++k;
236   #pragma omp masked taskloop simd linear (ref()) // expected-error {{expected expression}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
237   for (int k = 0; k < argc; ++k) ++k;
238   #pragma omp masked taskloop simd linear (foo()) // expected-error {{expected expression}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
239   for (int k = 0; k < argc; ++k) ++k;
240   #pragma omp masked taskloop simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
241   for (int k = 0; k < argc; ++k) ++k;
242   #pragma omp masked taskloop simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
243   for (int k = 0; k < argc; ++k) ++k;
244   #pragma omp masked taskloop simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
245   for (int k = 0; k < argc; ++k) ++k;
246   #pragma omp masked taskloop simd linear (argc, z)
247   for (int k = 0; k < argc; ++k) ++k;
248   #pragma omp masked taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
249   for (int k = 0; k < argc; ++k) ++k;
250   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
251   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
252   #pragma omp masked taskloop simd linear(a, b)
253   for (int k = 0; k < argc; ++k) ++k;
254   #pragma omp masked taskloop simd linear (argv[1]) // expected-error {{expected variable name}}
255   for (int k = 0; k < argc; ++k) ++k;
256   // omp52-error@+3 {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
257   // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
258   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
259   #pragma omp masked taskloop simd linear(val(e, g))
260   for (int k = 0; k < argc; ++k) ++k;
261   #pragma omp masked taskloop simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
262   for (int k = 0; k < argc; ++k) ++k;
263   #pragma omp parallel
264   {
265     int i;
266     #pragma omp masked taskloop simd linear(val(i)) // omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
267     for (int k = 0; k < argc; ++k) ++k;
268 #ifdef OMP52
269     #pragma omp masked taskloop simd linear(i : uval, step(4)) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}
270 #else
271     #pragma omp masked 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'}} omp52-error {{old syntax 'linear-modifier(list)' on 'linear' clause was deprecated, use new syntax 'linear(list: [linear-modifier,] step(step-size))'}}
272 #endif
273     for (int k = 0; k < argc; ++k) { ++k; i += 4; }
274   }
275 #ifdef OMP52
276   #pragma omp masked taskloop simd linear(j: ref)
277 #else
278   #pragma omp masked taskloop simd linear(ref(j))
279 #endif
280   for (int k = 0; k < argc; ++k) ++k;
281 #ifdef OMP52
282   #pragma omp masked taskloop simd linear(i: step(1), step(2)) // omp52-error {{multiple 'step size' found in linear clause}}
283 #else
284   #pragma omp masked taskloop simd linear(i)
285 #endif
286   for (int k = 0; k < argc; ++k) ++k;
287 #ifdef OMP52
288   #pragma omp masked taskloop simd linear(i: val, val) // omp52-error {{multiple 'linear modifier' found in linear clause}}
289   for (int k = 0; k < argc; ++k) ++k;
290   #pragma omp masked taskloop simd linear(j: step()) // omp52-error 2 {{expected expression}}
291   for (int k = 0; k < argc; ++k) ++k;
292   #pragma omp masked taskloop simd linear(j: pval) // omp52-error {{use of undeclared identifier 'pval'}}
293   for (int k = 0; k < argc; ++k) ++k;
294   #pragma omp masked taskloop simd linear(i: val, step(2 // omp52-error {{expected ')' or ',' after 'step expression'}} omp52-error 2 {{expected ')'}}  omp52-note 2 {{to match this '('}}
295   for (int k = 0; k < argc; ++k) ++k;
296 #endif
297 
298   foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
299   return 0;
300 }
301 
302