20 lines · cpp
1// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s -std=c++2a | FileCheck %s2 3// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-pch -o %t.pch %s -std=c++2a4// RUN: %clang_cc1 -triple x86_64-apple-darwin -include-pch %t.pch -x c++ /dev/null -emit-llvm -o - -std=c++2a | FileCheck %s5 6struct B {7 constexpr B() {}8 constexpr ~B() { n *= 5; }9 int n = 123;10};11 12// We emit a dynamic destructor here because b.n might have been modified13// before b is destroyed.14//15// CHECK: @b ={{.*}} global {{.*}} i32 12316B b = B();17 18// CHECK: define {{.*}}cxx_global_var_init19// CHECK: call {{.*}} @__cxa_atexit({{.*}} @_ZN1BD1Ev, {{.*}} @b20