// Test -fsanitize-memory-use-after-dtor // RUN: %clang_cc1 -fsanitize=memory -fsanitize-memory-use-after-dtor -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s // RUN: %clang_cc1 -DATTRIBUTE -fsanitize=memory -fsanitize-memory-use-after-dtor -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-ATTR template class Vector { public: ~Vector() {} }; struct No_San { Vector v; No_San() { } #ifdef ATTRIBUTE __attribute__((no_sanitize_memory)) ~No_San() = default; #else ~No_San() = default; #endif }; int main() { No_San *ns = new No_San(); ns->~No_San(); return 0; } // Repressing the sanitization attribute results in no msan // instrumentation of the destructor // CHECK: define {{.*}}No_SanD1Ev{{.*}} [[ATTRIBUTE:#[0-9]+]] // CHECK: call void {{.*}}No_SanD2Ev // CHECK: call void @__sanitizer_dtor_callback // CHECK: ret void // CHECK-ATTR: define {{.*}}No_SanD1Ev{{.*}} [[ATTRIBUTE:#[0-9]+]] // CHECK-ATTR: call void {{.*}}No_SanD2Ev // CHECK-ATTR-NOT: call void @__sanitizer_dtor_callback // CHECK-ATTR: ret void // CHECK: define {{.*}}No_SanD2Ev{{.*}} [[ATTRIBUTE:#[0-9]+]] // CHECK: call void {{.*}}Vector // CHECK: call void @__sanitizer_dtor_callback // CHECK: ret void // CHECK-ATTR: define {{.*}}No_SanD2Ev{{.*}} [[ATTRIBUTE:#[0-9]+]] // CHECK-ATTR: call void {{.*}}Vector // CHECK-ATTR-NOT: call void @__sanitizer_dtor_callback // CHECK-ATTR: ret void // When attribute is repressed, the destructor does not emit any tail calls // CHECK: attributes [[ATTRIBUTE]] = {{.*}} sanitize_memory // CHECK-ATTR-NOT: attributes [[ATTRIBUTE]] = {{.*}} sanitize_memory