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