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; 21 void g(void){} 22 #pragma code_seg(".my_code") 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 35 // Check "save-restore" of pragma stacks. 36 struct Outer { 37 void f() { 38 #pragma bss_seg(push, ".bss3") 39 #pragma code_seg(push, ".my_code1") 40 #pragma const_seg(push, ".my_const1") 41 #pragma data_seg(push, ".data3") 42 struct Inner { 43 void g() { 44 #pragma bss_seg(push, ".bss4") 45 #pragma code_seg(push, ".my_code2") 46 #pragma const_seg(push, ".my_const2") 47 #pragma data_seg(push, ".data4") 48 } 49 }; 50 } 51 }; 52 53 void h2(void) {} // should be in ".my_code" 54 int TEST3; // should be in ".bss1" 55 int d2 = 1; // should be in ".data" 56 extern const int b2; // should be in ".my_const" 57 const int b2 = 1; 58 59 #pragma section("read_flag_section", read) 60 // Even though they are not declared const, these become constant since they are 61 // in a read-only section. 62 __declspec(allocate("read_flag_section")) int unreferenced = 0; 63 extern __declspec(allocate("read_flag_section")) int referenced = 42; 64 int *user() { return &referenced; } 65 66 #pragma section("no_section_attributes") 67 // A pragma section with no section attributes is read/write. 68 __declspec(allocate("no_section_attributes")) int implicitly_read_write = 42; 69 70 #pragma section("long_section", long) 71 // Pragma section ignores "long". 72 __declspec(allocate("long_section")) long long_var = 42; 73 74 #pragma section("short_section", short) 75 // Pragma section ignores "short". 76 __declspec(allocate("short_section")) short short_var = 42; 77 } 78 79 //CHECK: @D = global i32 1 80 //CHECK: @a = global i32 1, section ".data" 81 //CHECK: @b = constant i32 1, section ".my_const" 82 //CHECK: @[[MYSTR:.*]] = {{.*}} unnamed_addr constant [11 x i8] c"my string!\00" 83 //CHECK: @s = global i8* getelementptr inbounds ([11 x i8], [11 x i8]* @[[MYSTR]], i32 0, i32 0), section ".data2" 84 //CHECK: @c = global i32 1, section ".my_seg" 85 //CHECK: @d = global i32 1, section ".data" 86 //CHECK: @e = global i32 0, section ".my_bss" 87 //CHECK: @f = global i32 0, section ".c" 88 //CHECK: @i = global i32 0 89 //CHECK: @TEST1 = global i32 0 90 //CHECK: @TEST2 = global i32 0, section ".bss1" 91 //CHECK: @TEST3 = global i32 0, section ".bss1" 92 //CHECK: @d2 = global i32 1, section ".data" 93 //CHECK: @b2 = constant i32 1, section ".my_const" 94 //CHECK: @unreferenced = constant i32 0, section "read_flag_section" 95 //CHECK: @referenced = constant i32 42, section "read_flag_section" 96 //CHECK: @implicitly_read_write = global i32 42, section "no_section_attributes" 97 //CHECK: @long_var = global i32 42, section "long_section" 98 //CHECK: @short_var = global i16 42, section "short_section" 99 //CHECK: define void @g() 100 //CHECK: define void @h() {{.*}} section ".my_code" 101 //CHECK: define void @h2() {{.*}} section ".my_code" 102
