1 // RUN: %clang_cc1 -emit-llvm -triple i686-pc-win32 -fms-extensions -o - %s | FileCheck %s
2
3 extern "C" {
4
5 #pragma const_seg(".my_const")
6 #pragma bss_seg(".my_bss")
7 int D = 1;
8 #pragma data_seg(".data")
9 int a = 1;
10 #pragma data_seg(push, label, ".data2")
11 extern const int b;
12 const int b = 1;
13 const char* s = "my string!";
14 #pragma data_seg(push, ".my_seg")
15 int c = 1;
16 #pragma data_seg(pop, label)
17 int d = 1;
18 int e;
19 #pragma bss_seg(".c")
20 int f;
g(void)21 void g(void){}
22 #pragma code_seg(".my_code")
h(void)23 void h(void){}
24 #pragma bss_seg()
25 int i;
26 #pragma bss_seg(".bss1")
27 #pragma bss_seg(push, test, ".bss2")
28 #pragma bss_seg()
29 #pragma bss_seg()
30 int TEST1;
31 #pragma bss_seg(pop)
32 int TEST2;
33
34 #pragma section("read_flag_section", read)
35 // Even though they are not declared const, these become constant since they are
36 // in a read-only section.
37 __declspec(allocate("read_flag_section")) int unreferenced = 0;
38 extern __declspec(allocate("read_flag_section")) int referenced = 42;
user()39 int *user() { return &referenced; }
40
41 #pragma section("no_section_attributes")
42 // A pragma section with no section attributes is read/write.
43 __declspec(allocate("no_section_attributes")) int implicitly_read_write = 42;
44
45 #pragma section("long_section", long)
46 // Pragma section ignores "long".
47 __declspec(allocate("long_section")) long long_var = 42;
48
49 #pragma section("short_section", short)
50 // Pragma section ignores "short".
51 __declspec(allocate("short_section")) short short_var = 42;
52 }
53
54 //CHECK: @D = global i32 1
55 //CHECK: @a = global i32 1, section ".data"
56 //CHECK: @b = constant i32 1, section ".my_const"
57 //CHECK: @[[MYSTR:.*]] = {{.*}} unnamed_addr constant [11 x i8] c"my string!\00"
58 //CHECK: @s = global i8* getelementptr inbounds ([11 x i8]* @[[MYSTR]], i32 0, i32 0), section ".data2"
59 //CHECK: @c = global i32 1, section ".my_seg"
60 //CHECK: @d = global i32 1, section ".data"
61 //CHECK: @e = global i32 0, section ".my_bss"
62 //CHECK: @f = global i32 0, section ".c"
63 //CHECK: @i = global i32 0
64 //CHECK: @TEST1 = global i32 0
65 //CHECK: @TEST2 = global i32 0, section ".bss1"
66 //CHECK: @unreferenced = constant i32 0, section "read_flag_section"
67 //CHECK: @referenced = constant i32 42, section "read_flag_section"
68 //CHECK: @implicitly_read_write = global i32 42, section "no_section_attributes"
69 //CHECK: @long_var = global i32 42, section "long_section"
70 //CHECK: @short_var = global i16 42, section "short_section"
71 //CHECK: define void @g()
72 //CHECK: define void @h() {{.*}} section ".my_code"
73