1 // RUN: %clang_cc1 -triple x86_64-pc-win32 -emit-llvm %s -o - | FileCheck --check-prefix=COFF %s
2 // COFF:      @baz = dso_local global i32 42
3 // COFF-NEXT: @import_var = external dllimport global i32
4 // COFF-NEXT: @weak_bar = extern_weak global i32
5 // COFF-NEXT: @bar = external dso_local global i32
6 // COFF-NEXT: @local_thread_var = dso_local thread_local global i32 42
7 // COFF-NEXT: @thread_var = external dso_local thread_local global i32
8 // COFF-DAG: declare dso_local void @foo()
9 // COFF-DAG: define dso_local i32* @zed()
10 // COFF-DAG: declare dllimport void @import_func()
11 
12 // RUN: %clang_cc1 -triple x86_64-w64-mingw32 -emit-llvm %s -o - | FileCheck --check-prefix=MINGW %s
13 // MINGW:      @baz = dso_local global i32 42
14 // MINGW-NEXT: @import_var = external dllimport global i32
15 // MINGW-NEXT: @weak_bar = extern_weak global i32
16 // MINGW-NEXT: @bar = external global i32
17 // MINGW-NEXT: @local_thread_var = dso_local thread_local global i32 42
18 // MINGW-NEXT: @thread_var = external dso_local thread_local global i32
19 // MINGW-DAG: declare dso_local void @foo()
20 // MINGW-DAG: define dso_local i32* @zed()
21 // MINGW-DAG: declare dllimport void @import_func()
22 
23 // RUN: %clang_cc1 -triple x86_64 -emit-llvm -mrelocation-model static %s -o - | FileCheck --check-prefix=STATIC %s
24 // STATIC:      @baz = dso_local global i32 42
25 // STATIC-NEXT: @import_var = external dso_local global i32
26 // STATIC-NEXT: @weak_bar = extern_weak dso_local global i32
27 // STATIC-NEXT: @bar = external dso_local global i32
28 // STATIC-NEXT: @local_thread_var = dso_local thread_local global i32 42
29 // STATIC-NEXT: @thread_var = external thread_local global i32
30 // STATIC-DAG: declare dso_local void @foo()
31 // STATIC-DAG: define dso_local i32* @zed()
32 // STATIC-DAG: declare dso_local void @import_func()
33 
34 // RUN: %clang_cc1 -triple x86_64 -emit-llvm -pic-level 1 -pic-is-pie %s -o - | FileCheck --check-prefix=PIE %s
35 // PIE:      @baz = dso_local global i32 42
36 // PIE-NEXT: @import_var = external global i32
37 // PIE-NEXT: @weak_bar = extern_weak global i32
38 // PIE-NEXT: @bar = external global i32
39 // PIE-NEXT: @local_thread_var = dso_local thread_local global i32 42
40 // PIE-NEXT: @thread_var = external thread_local global i32
41 // PIE-DAG: declare void @foo()
42 // PIE-DAG: define dso_local i32* @zed()
43 // PIE-DAG: declare void @import_func()
44 
45 // RUN: %clang_cc1 -triple x86_64 -emit-llvm -pic-level 1 -pic-is-pie -mpie-copy-relocations %s -o - | FileCheck --check-prefix=PIE-DIRECT %s
46 // PIE-DIRECT:      @baz = dso_local global i32 42
47 // PIE-DIRECT-NEXT: @import_var = external dso_local global i32
48 // PIE-DIRECT-NEXT: @weak_bar = extern_weak global i32
49 // PIE-DIRECT-NEXT: @bar = external dso_local global i32
50 // PIE-DIRECT-NEXT: @local_thread_var = dso_local thread_local global i32 42
51 // PIE-DIRECT-NEXT: @thread_var = external thread_local global i32
52 // PIE-DIRECT-DAG: declare void @foo()
53 // PIE-DIRECT-DAG: define dso_local i32* @zed()
54 // PIE-DIRECT-DAG: declare void @import_func()
55 
56 // RUN: %clang_cc1 -triple x86_64 -emit-llvm -mrelocation-model static -fno-plt %s -o - | FileCheck --check-prefix=NOPLT %s
57 // NOPLT:      @baz = dso_local global i32 42
58 // NOPLT-NEXT: @import_var = external dso_local global i32
59 // NOPLT-NEXT: @weak_bar = extern_weak dso_local global i32
60 // NOPLT-NEXT: @bar = external dso_local global i32
61 // NOPLT-NEXT: @local_thread_var = dso_local thread_local global i32 42
62 // NOPLT-NEXT: @thread_var = external thread_local global i32
63 // NOPLT-DAG: declare void @foo()
64 // NOPLT-DAG: define dso_local i32* @zed()
65 // NOPLT-DAG: declare void @import_func()
66 
67 // RUN: %clang_cc1 -triple x86_64 -emit-llvm -fno-plt -pic-level 1 -pic-is-pie -mpie-copy-relocations %s -o - | FileCheck --check-prefix=PIE-DIRECT-NOPLT %s
68 // PIE-DIRECT-NOPLT:      @baz = dso_local global i32 42
69 // PIE-DIRECT-NOPLT-NEXT: @import_var = external dso_local global i32
70 // PIE-DIRECT-NOPLT-NEXT: @weak_bar = extern_weak global i32
71 // PIE-DIRECT-NOPLT-NEXT: @bar = external dso_local global i32
72 // PIE-DIRECT-NOPLT-NEXT: @local_thread_var = dso_local thread_local global i32 42
73 // PIE-DIRECT-NOPLT-NEXT: @thread_var = external thread_local global i32
74 // PIE-DIRECT-NOPLT-DAG: declare void @foo()
75 // PIE-DIRECT-NOPLT-DAG: define dso_local i32* @zed()
76 // PIE-DIRECT-NOPLT-DAG: declare void @import_func()
77 
78 // RUN: %clang_cc1 -triple x86_64 -emit-llvm -pic-is-pie -fno-plt %s -o - | FileCheck --check-prefix=PIE-NO-PLT %s
79 // RUN: %clang_cc1 -triple powerpc64le -emit-llvm -mrelocation-model static %s -o - | FileCheck --check-prefix=PIE-NO-PLT %s
80 // PIE-NO-PLT:      @baz = dso_local global i32 42
81 // PIE-NO-PLT-NEXT: @import_var = external global i32
82 // PIE-NO-PLT-NEXT: @weak_bar = extern_weak global i32
83 // PIE-NO-PLT-NEXT: @bar = external global i32
84 // PIE-NO-PLT-NEXT: @local_thread_var = dso_local thread_local global i32 42
85 // PIE-NO-PLT-NEXT: @thread_var = external thread_local global i32
86 // PIE-NO-PLT-DAG:  declare void @import_func()
87 // PIE-NO-PLT-DAG:  define dso_local i32* @zed()
88 // PIE-NO-PLT-DAG:  declare void @foo()
89 
90 // RUN: %clang_cc1 -triple x86_64 -emit-llvm -pic-level 2 %s -o - | FileCheck --check-prefix=SHARED %s
91 // SHARED-DAG: @bar = external global i32
92 // SHARED-DAG: @weak_bar = extern_weak global i32
93 // SHARED-DAG: declare void @foo()
94 // SHARED-DAG: @baz = global i32 42
95 // SHARED-DAG: define i32* @zed()
96 // SHARED-DAG: @thread_var = external thread_local global i32
97 // SHARED-DAG: @local_thread_var = thread_local global i32 42
98 
99 int baz = 42;
100 __attribute__((dllimport)) extern int import_var;
101 __attribute__((weak)) extern int weak_bar;
102 extern int bar;
103 __attribute__((dllimport)) void import_func(void);
104 
105 int *use_import() {
106   import_func();
107   return &import_var;
108 }
109 
110 void foo(void);
111 
112 int *zed() {
113   foo();
114   return baz ? &weak_bar : &bar;
115 }
116 
117 __thread int local_thread_var = 42;
118 extern __thread int thread_var;
119 int *get_thread_var(int a) {
120   return a ? &thread_var : &local_thread_var;
121 }
122