1; RUN: opt < %s -globalopt -S | FileCheck %s 2 3%0 = type { i32, void ()* } 4%struct.A = type { i8 } 5%struct.B = type { } 6 7@a = global %struct.A zeroinitializer, align 1 8@__dso_handle = external global i8* 9@llvm.global_ctors = appending global [1 x %0] [%0 { i32 65535, void ()* @_GLOBAL__I_a }] 10 11; CHECK-NOT: call i32 @__cxa_atexit 12 13define internal void @__cxx_global_var_init() nounwind section "__TEXT,__StaticInit,regular,pure_instructions" { 14 %1 = call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A, %struct.A* @a, i32 0, i32 0), i8* bitcast (i8** @__dso_handle to i8*)) 15 ret void 16} 17 18define linkonce_odr void @_ZN1AD1Ev(%struct.A* %this) nounwind align 2 { 19 %t = bitcast %struct.A* %this to %struct.B* 20 call void @_ZN1BD1Ev(%struct.B* %t) 21 ret void 22} 23 24declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*) 25 26define linkonce_odr void @_ZN1BD1Ev(%struct.B* %this) nounwind align 2 { 27 ret void 28} 29 30define internal void @_GLOBAL__I_a() nounwind section "__TEXT,__StaticInit,regular,pure_instructions" { 31 call void @__cxx_global_var_init() 32 ret void 33} 34