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)) 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); 23 int NoTSAN2(int *a) { return *a; } 24 25 // WITHOUT: TSANOk{{.*}}) [[NOATTR]] 26 // BL: TSANOk{{.*}}) [[NOATTR]] 27 // TSAN: TSANOk{{.*}}) [[WITH:#[0-9]+]] 28 int TSANOk(int *a) { return *a; } 29 30 // WITHOUT: TemplateTSANOk{{.*}}) [[NOATTR]] 31 // BL: TemplateTSANOk{{.*}}) [[NOATTR]] 32 // TSAN: TemplateTSANOk{{.*}}) [[WITH]] 33 template<int i> 34 int TemplateTSANOk() { return i; } 35 36 // WITHOUT: TemplateNoTSAN{{.*}}) [[NOATTR]] 37 // BL: TemplateNoTSAN{{.*}}) [[NOATTR]] 38 // TSAN: TemplateNoTSAN{{.*}}) [[NOATTR]] 39 template<int i> 40 __attribute__((no_sanitize_thread)) 41 int TemplateNoTSAN() { return i; } 42 43 int force_instance = TemplateTSANOk<42>() 44 + TemplateNoTSAN<42>(); 45 46 // Check that __cxx_global_var_init* get the sanitize_thread attribute. 47 int global1 = 0; 48 int global2 = *(int*)((char*)&global1+1); 49 // WITHOUT: @__cxx_global_var_init{{.*}}[[NOATTR_NO_TF:#[0-9]+]] 50 // BL: @__cxx_global_var_init{{.*}}[[NOATTR_NO_TF:#[0-9]+]] 51 // TSAN: @__cxx_global_var_init{{.*}}[[WITH_NO_TF:#[0-9]+]] 52 53 // WITHOUT: attributes [[NOATTR]] = { nounwind{{.*}} } 54 // WITHOUT: attributes [[NOATTR_NO_TF]] = { nounwind } 55 56 // BL: attributes [[NOATTR]] = { nounwind{{.*}} } 57 // BL: attributes [[NOATTR_NO_TF]] = { nounwind{{.*}} } 58 59 // TSAN: attributes [[NOATTR]] = { nounwind{{.*}} } 60 // TSAN: attributes [[WITH]] = { nounwind sanitize_thread{{.*}} } 61 // TSAN: attributes [[WITH_NO_TF]] = { nounwind sanitize_thread } 62