1 // RUN: %clang_cc1 -ast-print %s -o - | FileCheck %s
2 // RUN: %clang_cc1 -DMS_EXT -fsyntax-only -fms-extensions %s -triple x86_64-pc-win32 -ast-print | FileCheck %s --check-prefix=MS-EXT
3 
4 // FIXME: A bug in ParsedAttributes causes the order of the attributes to be
5 // reversed. The checks are consequently in the reverse order below.
6 
7 // CHECK: #pragma clang loop interleave_count(8)
8 // CHECK-NEXT: #pragma clang loop vectorize_width(4)
9 
10 void test(int *List, int Length) {
11   int i = 0;
12 #pragma clang loop vectorize_width(4)
13 #pragma clang loop interleave_count(8)
14 // CHECK-NEXT: while (i < Length)
15   while (i < Length) {
16     List[i] = i * 2;
17     i++;
18   }
19 
20 // CHECK: #pragma clang loop interleave(disable)
21 // CHECK-NEXT: #pragma clang loop vectorize(enable)
22 // CHECK-NEXT: #pragma clang loop distribute(disable)
23 
24 #pragma clang loop distribute(disable)
25 #pragma clang loop vectorize(enable)
26 #pragma clang loop interleave(disable)
27 // CHECK-NEXT: while (i - 1 < Length)
28   while (i - 1 < Length) {
29     List[i] = i * 2;
30     i++;
31   }
32 
33 // CHECK: #pragma clang loop interleave(enable)
34 // CHECK-NEXT: #pragma clang loop vectorize(disable)
35 // CHECK-NEXT: #pragma clang loop distribute(enable)
36 
37 #pragma clang loop distribute(enable)
38 #pragma clang loop vectorize(disable)
39 #pragma clang loop interleave(enable)
40 // CHECK-NEXT: while (i - 2 < Length)
41   while (i - 2 < Length) {
42     List[i] = i * 2;
43     i++;
44   }
45 }
46 
47 template <int V, int I>
48 void test_nontype_template_param(int *List, int Length) {
49 #pragma clang loop vectorize_width(V) interleave_count(I)
50   for (int i = 0; i < Length; i++) {
51     List[i] = i;
52   }
53 }
54 
55 // CHECK: #pragma clang loop interleave_count(I)
56 // CHECK: #pragma clang loop vectorize_width(V)
57 
58 void test_templates(int *List, int Length) {
59   test_nontype_template_param<2, 4>(List, Length);
60 }
61 
62 #ifdef MS_EXT
63 #pragma init_seg(compiler)
64 // MS-EXT: #pragma init_seg (.CRT$XCC)
65 // MS-EXT-NEXT: int x = 3 __declspec(thread);
66 int __declspec(thread) x = 3;
67 #endif //MS_EXT
68 
69