63 lines · cpp
1// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck -check-prefix=WITHOUT %s2// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s -fsanitize=thread | FileCheck -check-prefix=TSAN %s3// RUN: echo "src:%s" | sed -e 's/\\/\\\\/g' > %t4// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s -fsanitize=thread -fsanitize-ignorelist=%t | FileCheck -check-prefix=BL %s5 6// The sanitize_thread attribute should be attached to functions7// when ThreadSanitizer is enabled, unless no_sanitize_thread attribute8// 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))14int NoTSAN1(int *a) { return *a; }15 16// WITHOUT: NoTSAN2{{.*}}) [[NOATTR]]17// BL: NoTSAN2{{.*}}) [[NOATTR]]18// TSAN: NoTSAN2{{.*}}) [[NOATTR]]19__attribute__((no_sanitize_thread))20int NoTSAN2(int *a);21int 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")))27int NoTSAN3(int *a) { return *a; }28 29// WITHOUT: TSANOk{{.*}}) [[NOATTR]]30// BL: TSANOk{{.*}}) [[NOATTR]]31// TSAN: TSANOk{{.*}}) [[WITH:#[0-9]+]]32int TSANOk(int *a) { return *a; }33 34// WITHOUT: TemplateTSANOk{{.*}}) [[NOATTR]]35// BL: TemplateTSANOk{{.*}}) [[NOATTR]]36// TSAN: TemplateTSANOk{{.*}}) [[WITH]]37template<int i>38int TemplateTSANOk() { return i; }39 40// WITHOUT: TemplateNoTSAN{{.*}}) [[NOATTR]]41// BL: TemplateNoTSAN{{.*}}) [[NOATTR]]42// TSAN: TemplateNoTSAN{{.*}}) [[NOATTR]]43template<int i>44__attribute__((no_sanitize_thread))45int TemplateNoTSAN() { return i; }46 47int force_instance = TemplateTSANOk<42>()48 + TemplateNoTSAN<42>();49 50// Check that __cxx_global_var_init* get the sanitize_thread attribute.51int global1 = 0;52int 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]] = { mustprogress noinline nounwind{{.*}} }62// TSAN: attributes [[WITH]] = { noinline nounwind sanitize_thread{{.*}} }63