clang/test/CodeGenCXX/non-const-init-cxx2a.cpp

   1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s -std=c++2a | FileCheck %s
   2
   3 // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-pch -o %t.pch %s -std=c++2a
   4 // RUN: %clang_cc1 -triple x86_64-apple-darwin -include-pch %t.pch -x c++ /dev/null -emit-llvm -o - -std=c++2a | FileCheck %s
   5
   6 struct 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 modified
  13 // before b is destroyed.
  14 //
  15 // CHECK: @b ={{.*}} global {{.*}} i32 123
  16 B b = B();
  17
  18 // CHECK: define {{.*}}cxx_global_var_init
  19 // CHECK: call {{.*}} @__cxa_atexit({{.*}} @_ZN1BD1Ev {{.*}} @b