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)) 16int NoTSAN1(int *a) { return *a; } 17 18// WITHOUT: NoTSAN2{{.*}}) [[NOATTR]] 19// BL: NoTSAN2{{.*}}) [[NOATTR]] 20// TSAN: NoTSAN2{{.*}}) [[NOATTR]] 21__attribute__((no_sanitize_thread)) 22int NoTSAN2(int *a); 23int NoTSAN2(int *a) { return *a; } 24 25// WITHOUT: TSANOk{{.*}}) [[NOATTR]] 26// BL: TSANOk{{.*}}) [[NOATTR]] 27// TSAN: TSANOk{{.*}}) [[WITH:#[0-9]+]] 28int TSANOk(int *a) { return *a; } 29 30// WITHOUT: TemplateTSANOk{{.*}}) [[NOATTR]] 31// BL: TemplateTSANOk{{.*}}) [[NOATTR]] 32// TSAN: TemplateTSANOk{{.*}}) [[WITH]] 33template<int i> 34int TemplateTSANOk() { return i; } 35 36// WITHOUT: TemplateNoTSAN{{.*}}) [[NOATTR]] 37// BL: TemplateNoTSAN{{.*}}) [[NOATTR]] 38// TSAN: TemplateNoTSAN{{.*}}) [[NOATTR]] 39template<int i> 40__attribute__((no_sanitize_thread)) 41int TemplateNoTSAN() { return i; } 42 43int force_instance = TemplateTSANOk<42>() 44 + TemplateNoTSAN<42>(); 45 46// Check that __cxx_global_var_init* get the sanitize_thread attribute. 47int global1 = 0; 48int 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