1// RUN: %clang_cc1 -std=c++11 -verify %s
2
3// Note that this puts the expected lines before the directives to work around
4// limitations in the -verify mode.
5
6void test(int *List, int Length) {
7  int i = 0;
8
9#pragma unroll
10  while (i + 1 < Length) {
11    List[i] = i;
12  }
13
14#pragma nounroll
15  while (i < Length) {
16    List[i] = i;
17  }
18
19#pragma unroll 4
20  while (i - 1 < Length) {
21    List[i] = i;
22  }
23
24#pragma unroll(8)
25  while (i - 2 < Length) {
26    List[i] = i;
27  }
28
29/* expected-error {{expected ')'}} */ #pragma unroll(4
30/* expected-error {{missing argument; expected an integer value}} */ #pragma unroll()
31/* expected-warning {{extra tokens at end of '#pragma unroll'}} */ #pragma unroll 1 2
32  while (i-6 < Length) {
33    List[i] = i;
34  }
35
36/* expected-warning {{extra tokens at end of '#pragma nounroll'}} */ #pragma nounroll 1
37  while (i-7 < Length) {
38    List[i] = i;
39  }
40
41/* expected-error {{expected ')'}} */ #pragma unroll(()
42/* expected-error {{expected expression}} */ #pragma unroll -
43/* expected-error {{invalid value '0'; must be positive}} */ #pragma unroll(0)
44/* expected-error {{invalid value '0'; must be positive}} */ #pragma unroll 0
45/* expected-error {{value '3000000000' is too large}} */ #pragma unroll(3000000000)
46/* expected-error {{value '3000000000' is too large}} */ #pragma unroll 3000000000
47  while (i-8 < Length) {
48    List[i] = i;
49  }
50
51#pragma unroll
52/* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll'}} */ int j = Length;
53#pragma unroll 4
54/* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll'}} */ int k = Length;
55#pragma nounroll
56/* expected-error {{expected a for, while, or do-while loop to follow '#pragma nounroll'}} */ int l = Length;
57
58/* expected-error {{incompatible directives 'unroll(disable)' and '#pragma unroll(4)'}} */ #pragma unroll 4
59#pragma clang loop unroll(disable)
60  while (i-10 < Length) {
61    List[i] = i;
62  }
63
64/* expected-error {{incompatible directives 'unroll(full)' and '#pragma unroll(4)'}} */ #pragma unroll(4)
65#pragma clang loop unroll(full)
66  while (i-11 < Length) {
67    List[i] = i;
68  }
69
70/* expected-error {{incompatible directives 'unroll(enable)' and '#pragma unroll(4)'}} */ #pragma unroll(4)
71#pragma clang loop unroll(enable)
72  while (i-11 < Length) {
73    List[i] = i;
74  }
75
76/* expected-error {{incompatible directives '#pragma unroll' and '#pragma unroll(4)'}} */ #pragma unroll(4)
77#pragma unroll
78  while (i-11 < Length) {
79    List[i] = i;
80  }
81
82/* expected-error {{incompatible directives '#pragma nounroll' and 'unroll_count(4)'}} */ #pragma clang loop unroll_count(4)
83#pragma nounroll
84  while (i-12 < Length) {
85    List[i] = i;
86  }
87
88/* expected-error {{duplicate directives '#pragma nounroll' and '#pragma nounroll'}} */ #pragma nounroll
89#pragma nounroll
90  while (i-13 < Length) {
91    List[i] = i;
92  }
93
94/* expected-error {{duplicate directives '#pragma unroll' and '#pragma unroll'}} */ #pragma unroll
95#pragma unroll
96  while (i-14 < Length) {
97    List[i] = i;
98  }
99
100/* expected-error {{duplicate directives 'unroll(full)' and '#pragma unroll'}} */ #pragma unroll
101#pragma clang loop unroll(full)
102  while (i-15 < Length) {
103    List[i] = i;
104  }
105
106/* expected-error {{duplicate directives '#pragma unroll(4)' and '#pragma unroll(4)'}} */ #pragma unroll 4
107#pragma unroll(4)
108  while (i-16 < Length) {
109    List[i] = i;
110  }
111
112#pragma unroll
113/* expected-error {{expected statement}} */ }
114