1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck -check-prefix=WITHOUT %s
2 // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s -fsanitize=thread | FileCheck -check-prefix=TSAN %s
3 // RUN: echo "src:%s" > %t
4 // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s -fsanitize=thread -fsanitize-blacklist=%t | FileCheck -check-prefix=BL %s
5
6 // REQUIRES: shell
7
8 // The sanitize_thread attribute should be attached to functions
9 // when ThreadSanitizer is enabled, unless no_sanitize_thread attribute
10 // is present.
11
12 // WITHOUT: NoTSAN1{{.*}}) [[NOATTR:#[0-9]+]]
13 // BL: NoTSAN1{{.*}}) [[NOATTR:#[0-9]+]]
14 // TSAN: NoTSAN1{{.*}}) [[NOATTR:#[0-9]+]]
15 __attribute__((no_sanitize_thread))
NoTSAN1(int * a)16 int NoTSAN1(int *a) { return *a; }
17
18 // WITHOUT: NoTSAN2{{.*}}) [[NOATTR]]
19 // BL: NoTSAN2{{.*}}) [[NOATTR]]
20 // TSAN: NoTSAN2{{.*}}) [[NOATTR]]
21 __attribute__((no_sanitize_thread))
22 int NoTSAN2(int *a);
NoTSAN2(int * a)23 int NoTSAN2(int *a) { return *a; }
24
25 // WITHOUT: NoTSAN3{{.*}}) [[NOATTR:#[0-9]+]]
26 // BL: NoTSAN3{{.*}}) [[NOATTR:#[0-9]+]]
27 // TSAN: NoTSAN3{{.*}}) [[NOATTR:#[0-9]+]]
28 __attribute__((no_sanitize("thread")))
NoTSAN3(int * a)29 int NoTSAN3(int *a) { return *a; }
30
31 // WITHOUT: TSANOk{{.*}}) [[NOATTR]]
32 // BL: TSANOk{{.*}}) [[NOATTR]]
33 // TSAN: TSANOk{{.*}}) [[WITH:#[0-9]+]]
TSANOk(int * a)34 int TSANOk(int *a) { return *a; }
35
36 // WITHOUT: TemplateTSANOk{{.*}}) [[NOATTR]]
37 // BL: TemplateTSANOk{{.*}}) [[NOATTR]]
38 // TSAN: TemplateTSANOk{{.*}}) [[WITH]]
39 template<int i>
TemplateTSANOk()40 int TemplateTSANOk() { return i; }
41
42 // WITHOUT: TemplateNoTSAN{{.*}}) [[NOATTR]]
43 // BL: TemplateNoTSAN{{.*}}) [[NOATTR]]
44 // TSAN: TemplateNoTSAN{{.*}}) [[NOATTR]]
45 template<int i>
46 __attribute__((no_sanitize_thread))
TemplateNoTSAN()47 int TemplateNoTSAN() { return i; }
48
49 int force_instance = TemplateTSANOk<42>()
50 + TemplateNoTSAN<42>();
51
52 // Check that __cxx_global_var_init* get the sanitize_thread attribute.
53 int global1 = 0;
54 int global2 = *(int*)((char*)&global1+1);
55 // WITHOUT: @__cxx_global_var_init{{.*}}[[NOATTR:#[0-9]+]]
56 // BL: @__cxx_global_var_init{{.*}}[[NOATTR:#[0-9]+]]
57 // TSAN: @__cxx_global_var_init{{.*}}[[WITH:#[0-9]+]]
58
59 // WITHOUT: attributes [[NOATTR]] = { nounwind{{.*}} }
60
61 // BL: attributes [[NOATTR]] = { nounwind{{.*}} }
62
63 // TSAN: attributes [[NOATTR]] = { nounwind{{.*}} }
64 // TSAN: attributes [[WITH]] = { nounwind sanitize_thread{{.*}} }
65