1 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 %s -Wuninitialized
4 
5 void foo() {
6 }
7 
8 bool foobool(int argc) {
9   return argc;
10 }
11 
12 void xxx(int argc) {
13   int cond; // expected-note {{initialize the variable 'cond' to silence this warning}}
14 #pragma omp parallel for simd if(cond) // expected-warning {{variable 'cond' is uninitialized when used here}}
15   for (int i = 0; i < 10; ++i)
16     ;
17 }
18 
19 struct S1; // expected-note {{declared here}}
20 
21 template <class T, class S> // expected-note {{declared here}}
22 int tmain(T argc, S **argv) {
23   T i, z;
24   #pragma omp parallel for simd if // expected-error {{expected '(' after 'if'}}
25   for (i = 0; i < argc; ++i) foo();
26   #pragma omp parallel for simd if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
27   for (i = 0; i < argc; ++i) foo();
28   #pragma omp parallel for simd if () // expected-error {{expected expression}}
29   for (i = 0; i < argc; ++i) foo();
30   #pragma omp parallel for simd if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
31   for (i = 0; i < argc; ++i) foo();
32   #pragma omp parallel for simd if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel for simd' are ignored}}
33   for (i = 0; i < argc; ++i) foo();
34   #pragma omp parallel for simd if (argc > 0 ? argv[1] : argv[2])
35   for (i = 0; i < argc; ++i) foo();
36   #pragma omp parallel for simd if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp parallel for simd' cannot contain more than one 'if' clause}}
37   for (i = 0; i < argc; ++i) foo();
38   #pragma omp parallel for simd if (S) // expected-error {{'S' does not refer to a value}}
39   for (i = 0; i < argc; ++i) foo();
40   #pragma omp parallel for simd if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
41   for (i = 0; i < argc; ++i) foo();
42   #pragma omp parallel for simd if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
43   for (i = 0; i < argc; ++i) foo();
44   #pragma omp parallel for simd if(argc + z)
45   for (i = 0; i < argc; ++i) foo();
46   #pragma omp parallel for simd if(parallel // expected-error {{use of undeclared identifier 'parallel'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
47   for (i = 0; i < argc; ++i) foo();
48   #pragma omp parallel for simd if(parallel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
49   for (i = 0; i < argc; ++i) foo();
50   #pragma omp parallel for simd if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
51   for (i = 0; i < argc; ++i) foo();
52   #pragma omp parallel for simd if(parallel : argc)
53   for (i = 0; i < argc; ++i) foo();
54   #pragma omp parallel for simd if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp parallel for simd'}}
55   for (i = 0; i < argc; ++i) foo();
56   #pragma omp parallel for simd if(parallel : argc) if (parallel:argc) // expected-error {{directive '#pragma omp parallel for simd' cannot contain more than one 'if' clause with 'parallel' name modifier}}
57   for (i = 0; i < argc; ++i) foo();
58   #pragma omp parallel for simd if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
59   for (i = 0; i < argc; ++i) foo();
60 
61   return 0;
62 }
63 
64 int main(int argc, char **argv) {
65   int i, z;
66   #pragma omp parallel for simd if // expected-error {{expected '(' after 'if'}}
67   for (i = 0; i < argc; ++i) foo();
68   #pragma omp parallel for simd if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
69   for (i = 0; i < argc; ++i) foo();
70   #pragma omp parallel for simd if () // expected-error {{expected expression}}
71   for (i = 0; i < argc; ++i) foo();
72   #pragma omp parallel for simd if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
73   for (i = 0; i < argc; ++i) foo();
74   #pragma omp parallel for simd if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel for simd' are ignored}}
75   for (i = 0; i < argc; ++i) foo();
76   #pragma omp parallel for simd if (argc > 0 ? argv[1] : argv[2])
77   for (i = 0; i < argc; ++i) foo();
78   #pragma omp parallel for simd if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp parallel for simd' cannot contain more than one 'if' clause}}
79   for (i = 0; i < argc; ++i) foo();
80   #pragma omp parallel for simd if (S1) // expected-error {{'S1' does not refer to a value}}
81   for (i = 0; i < argc; ++i) foo();
82   #pragma omp parallel for simd if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
83   for (i = 0; i < argc; ++i) foo();
84   #pragma omp parallel for simd if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
85   for (i = 0; i < argc; ++i) foo();
86   #pragma omp parallel for simd if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
87   for (i = 0; i < argc; ++i) foo();
88   #pragma omp parallel for simd if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
89   for (i = 0; i < argc; ++i) foo();
90   #pragma omp parallel for simd if(parallel // expected-error {{use of undeclared identifier 'parallel'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
91   for (i = 0; i < argc; ++i) foo();
92   #pragma omp parallel for simd if(parallel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
93   for (i = 0; i < argc; ++i) foo();
94   #pragma omp parallel for simd if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
95   for (i = 0; i < argc; ++i) foo();
96   #pragma omp parallel for simd if(parallel : argc / z)
97   for (i = 0; i < argc; ++i) foo();
98   #pragma omp parallel for simd if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp parallel for simd'}}
99   for (i = 0; i < argc; ++i) foo();
100   #pragma omp parallel for simd if(parallel : argc) if (parallel:argc) // expected-error {{directive '#pragma omp parallel for simd' cannot contain more than one 'if' clause with 'parallel' name modifier}}
101   for (i = 0; i < argc; ++i) foo();
102   #pragma omp parallel for simd if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
103   for (i = 0; i < argc; ++i) foo();
104 
105   return tmain(argc, argv);
106 }
107