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
test(int * List,int Length,int Value)6 void test(int *List, int Length, int Value) {
7 int i = 0;
8
9 #pragma unroll_and_jam
10 for (int i = 0; i < Length; i++) {
11 for (int j = 0; j < Length; j++) {
12 List[i * Length + j] = Value;
13 }
14 }
15
16 #pragma nounroll_and_jam
17 for (int i = 0; i < Length; i++) {
18 for (int j = 0; j < Length; j++) {
19 List[i * Length + j] = Value;
20 }
21 }
22
23 #pragma unroll_and_jam 4
24 for (int i = 0; i < Length; i++) {
25 for (int j = 0; j < Length; j++) {
26 List[i * Length + j] = Value;
27 }
28 }
29
30 /* expected-error {{expected ')'}} */ #pragma unroll_and_jam(4
31 /* expected-error {{missing argument; expected an integer value}} */ #pragma unroll_and_jam()
32 /* expected-warning {{extra tokens at end of '#pragma unroll_and_jam'}} */ #pragma unroll_and_jam 1 2
33 for (int i = 0; i < Length; i++) {
34 for (int j = 0; j < Length; j++) {
35 List[i * Length + j] = Value;
36 }
37 }
38
39 /* expected-warning {{extra tokens at end of '#pragma nounroll_and_jam'}} */ #pragma nounroll_and_jam 1
40 for (int i = 0; i < Length; i++) {
41 for (int j = 0; j < Length; j++) {
42 List[i * Length + j] = Value;
43 }
44 }
45
46 #pragma unroll_and_jam
47 /* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll_and_jam'}} */ int j = Length;
48 #pragma unroll_and_jam 4
49 /* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll_and_jam'}} */ int k = Length;
50 #pragma nounroll_and_jam
51 /* expected-error {{expected a for, while, or do-while loop to follow '#pragma nounroll_and_jam'}} */ int l = Length;
52
53 #pragma unroll_and_jam 4
54 /* expected-error {{incompatible directives '#pragma nounroll_and_jam' and '#pragma unroll_and_jam(4)'}} */ #pragma nounroll_and_jam
55 for (int i = 0; i < Length; i++) {
56 for (int j = 0; j < Length; j++) {
57 List[i * Length + j] = Value;
58 }
59 }
60
61 #pragma nounroll_and_jam
62 #pragma unroll(4)
63 for (int i = 0; i < Length; i++) {
64 for (int j = 0; j < Length; j++) {
65 List[i * Length + j] = Value;
66 }
67 }
68
69 // pragma clang unroll_and_jam is disabled for the moment
70 /* expected-error {{invalid option 'unroll_and_jam'; expected vectorize, vectorize_width, interleave, interleave_count, unroll, unroll_count, pipeline, pipeline_initiation_interval, vectorize_predicate, or distribute}} */ #pragma clang loop unroll_and_jam(4)
71 for (int i = 0; i < Length; i++) {
72 for (int j = 0; j < Length; j++) {
73 List[i * Length + j] = Value;
74 }
75 }
76
77 #pragma unroll_and_jam
78 /* expected-error {{expected statement}} */ }
79