| 1 | // RUN: %clang_cc1 -emit-llvm -triple i686-pc-win32 -fms-extensions -o - %s | FileCheck %s |
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| 2 | |
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| 3 | extern "C" { |
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| 4 | |
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| 5 | #pragma const_seg(".my_const") |
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| 6 | #pragma bss_seg(".my_bss") |
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| 7 | int D = 1; |
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| 8 | #pragma data_seg(".data") |
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| 9 | int a = 1; |
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| 10 | #pragma data_seg(push, label, ".data2") |
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| 11 | extern const int b; |
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| 12 | const int b = 1; |
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| 13 | const char* s = "my string!"; |
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| 14 | #pragma data_seg(push, ".my_seg") |
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| 15 | int c = 1; |
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| 16 | #pragma data_seg(pop, label) |
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| 17 | int d = 1; |
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| 18 | int e; |
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| 19 | #pragma bss_seg(".c") |
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| 20 | int f; |
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| 21 | void g(void){} |
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| 22 | #pragma code_seg(".my_code") |
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| 23 | void h(void){} |
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| 24 | #pragma bss_seg() |
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| 25 | int i; |
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| 26 | #pragma bss_seg(".bss1") |
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| 27 | #pragma bss_seg(push, test, ".bss2") |
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| 28 | #pragma bss_seg() |
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| 29 | #pragma bss_seg() |
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| 30 | int TEST1; |
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| 31 | #pragma bss_seg(pop) |
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| 32 | int TEST2; |
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| 33 | |
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| 34 | |
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| 35 | // Check "save-restore" of pragma stacks. |
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| 36 | struct Outer { |
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| 37 | void f() { |
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| 38 | #pragma bss_seg(push, ".bss3") |
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| 39 | #pragma code_seg(push, ".my_code1") |
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| 40 | #pragma const_seg(push, ".my_const1") |
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| 41 | #pragma data_seg(push, ".data3") |
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| 42 | struct Inner { |
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| 43 | void g() { |
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| 44 | #pragma bss_seg(push, ".bss4") |
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| 45 | #pragma code_seg(push, ".my_code2") |
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| 46 | #pragma const_seg(push, ".my_const2") |
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| 47 | #pragma data_seg(push, ".data4") |
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| 48 | } |
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| 49 | }; |
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| 50 | } |
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| 51 | }; |
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| 52 | |
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| 53 | void h2(void) {} // should be in ".my_code" |
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| 54 | int TEST3; // should be in ".bss1" |
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| 55 | int d2 = 1; // should be in ".data" |
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| 56 | extern const int b2; // should be in ".my_const" |
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| 57 | const int b2 = 1; |
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| 58 | |
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| 59 | #pragma section("read_flag_section", read) |
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| 60 | // Even though they are not declared const, these become constant since they are |
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| 61 | // in a read-only section. |
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| 62 | __declspec(allocate("read_flag_section")) int unreferenced = 0; |
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| 63 | extern __declspec(allocate("read_flag_section")) int referenced = 42; |
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| 64 | int *user() { return &referenced; } |
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| 65 | |
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| 66 | #pragma section("no_section_attributes") |
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| 67 | // A pragma section with no section attributes is read/write. |
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| 68 | __declspec(allocate("no_section_attributes")) int implicitly_read_write = 42; |
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| 69 | |
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| 70 | #pragma section("long_section", long) |
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| 71 | // Pragma section ignores "long". |
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| 72 | __declspec(allocate("long_section")) long long_var = 42; |
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| 73 | |
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| 74 | #pragma section("short_section", short) |
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| 75 | // Pragma section ignores "short". |
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| 76 | __declspec(allocate("short_section")) short short_var = 42; |
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| 77 | } |
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| 78 | |
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| 79 | //CHECK: @D = dso_local global i32 1 |
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| 80 | //CHECK: @a = dso_local global i32 1, section ".data" |
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| 81 | //CHECK: @b = dso_local constant i32 1, section ".my_const" |
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| 82 | //CHECK: @[[MYSTR:.*]] = {{.*}} unnamed_addr constant [11 x i8] c"my string!\00" |
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| 83 | //CHECK: @s = dso_local global i8* getelementptr inbounds ([11 x i8], [11 x i8]* @[[MYSTR]], i32 0, i32 0), section ".data2" |
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| 84 | //CHECK: @c = dso_local global i32 1, section ".my_seg" |
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| 85 | //CHECK: @d = dso_local global i32 1, section ".data" |
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| 86 | //CHECK: @e = dso_local global i32 0, section ".my_bss" |
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| 87 | //CHECK: @f = dso_local global i32 0, section ".c" |
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| 88 | //CHECK: @i = dso_local global i32 0 |
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| 89 | //CHECK: @TEST1 = dso_local global i32 0 |
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| 90 | //CHECK: @TEST2 = dso_local global i32 0, section ".bss1" |
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| 91 | //CHECK: @TEST3 = dso_local global i32 0, section ".bss1" |
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| 92 | //CHECK: @d2 = dso_local global i32 1, section ".data" |
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| 93 | //CHECK: @b2 = dso_local constant i32 1, section ".my_const" |
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| 94 | //CHECK: @unreferenced = dso_local constant i32 0, section "read_flag_section" |
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| 95 | //CHECK: @referenced = dso_local constant i32 42, section "read_flag_section" |
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| 96 | //CHECK: @implicitly_read_write = dso_local global i32 42, section "no_section_attributes" |
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| 97 | //CHECK: @long_var = dso_local global i32 42, section "long_section" |
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| 98 | //CHECK: @short_var = dso_local global i16 42, section "short_section" |
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| 99 | //CHECK: define dso_local void @g() |
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| 100 | //CHECK: define dso_local void @h() {{.*}} section ".my_code" |
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| 101 | //CHECK: define dso_local void @h2() {{.*}} section ".my_code" |
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| 102 | |
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