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