1 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=51 %s -Wuninitialized
2 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=51 %s -Wuninitialized
3 
xxx(int argc)4 void xxx(int argc) {
5   int x; // expected-note {{initialize the variable 'x' to silence this warning}}
6   [[omp::directive(masked)]]
7   argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
8 }
9 
yyy(int argc)10 void yyy(int argc) {
11   int x; // expected-note {{initialize the variable 'x' to silence this warning}}
12   [[omp::directive(masked filter(1))]]
13   argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
14 }
15 
16 int foo();
17 
main()18 int main() {
19   [[omp::directive(masked)]]
20   ;
21   [[omp::directive(masked filter(1) filter(2))]] // expected-error {{directive '#pragma omp masked' cannot contain more than one 'filter' clause}}
22   ;
23   int x,y,z;
24   [[omp::directive(masked filter(x) filter(y) filter(z))]] // expected-error 2 {{directive '#pragma omp masked' cannot contain more than one 'filter' clause}}
25   ;
26   [[omp::directive(masked nowait)]] // expected-error {{unexpected OpenMP clause 'nowait' in directive '#pragma omp masked'}}
27   [[omp::directive(masked unknown)]] // expected-warning {{extra tokens at the end of '#pragma omp masked' are ignored}}
28   foo();
29   {
30 	[[omp::directive(masked)]]
31   } // expected-error {{expected statement}}
32   {
33 	[[omp::directive(masked filter(2))]]
34   } // expected-error {{expected statement}}
35   [[omp::directive(for)]]
36   for (int i = 0; i < 10; ++i) {
37     foo();
38     [[omp::directive(masked filter(1))]] // expected-error {{region cannot be closely nested inside 'for' region}}
39     foo();
40   }
41   [[omp::directive(sections)]]
42   {
43     foo();
44     [[omp::directive(masked)]] // expected-error {{region cannot be closely nested inside 'sections' region}}
45     foo();
46   }
47   [[omp::directive(single)]]
48   for (int i = 0; i < 10; ++i) {
49     foo();
50     [[omp::directive(masked allocate(i))]] // expected-error {{region cannot be closely nested inside 'single' region}} expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp masked'}}
51     foo();
52   }
53   [[omp::directive(masked)]]
54   for (int i = 0; i < 10; ++i) {
55     foo();
56     [[omp::directive(masked)]]
57     foo();
58   }
59   [[omp::directive(for ordered)]]
60   for (int i = 0; i < 10; ++i)
61   [[omp::directive(masked)]] // expected-error {{region cannot be closely nested inside 'for' region}}
62   {
63     foo();
64   }
65 
66   return 0;
67 }
68 
foo()69 int foo() {
70   L1: // expected-note {{jump exits scope of OpenMP structured block}}
71     foo();
72   [[omp::directive(masked filter(0))]]
73   {
74     foo();
75     goto L1; // expected-error {{cannot jump from this goto statement to its label}}
76   }
77   goto L2; // expected-error {{cannot jump from this goto statement to its label}}
78   [[omp::directive(masked filter(-2))]]
79   { // expected-note {{jump bypasses OpenMP structured block}}
80     L2:
81     foo();
82   }
83 
84   return 0;
85 }
86 
87