; RUN: opt -O2 -S < %s | FileCheck %s ; Run global DCE to eliminate unused ctor and dtor. ; rdar://9142819 ; CHECK: main ; CHECK-NOT: _ZN4BaseC1Ev ; CHECK-NOT: _ZN4BaseD1Ev ; CHECK-NOT: _ZN4BaseD2Ev ; CHECK-NOT: _ZN4BaseC2Ev ; CHECK-NOT: _ZN4BaseD0Ev %class.Base = type { ptr } @_ZTV4Base = linkonce_odr unnamed_addr constant [4 x ptr] [ptr null, ptr @_ZTI4Base, ptr @_ZN4BaseD1Ev, ptr @_ZN4BaseD0Ev] @_ZTVN10__cxxabiv117__class_type_infoE = external global ptr @_ZTS4Base = linkonce_odr constant [6 x i8] c"4Base\00" @_ZTI4Base = linkonce_odr unnamed_addr constant { ptr, ptr } { ptr getelementptr inbounds (ptr, ptr @_ZTVN10__cxxabiv117__class_type_infoE, i64 2), ptr @_ZTS4Base } define i32 @main() uwtable ssp { entry: %retval = alloca i32, align 4 %b = alloca %class.Base, align 8 %cleanup.dest.slot = alloca i32 store i32 0, ptr %retval call void @_ZN4BaseC1Ev(ptr %b) store i32 0, ptr %retval store i32 1, ptr %cleanup.dest.slot call void @_ZN4BaseD1Ev(ptr %b) %0 = load i32, ptr %retval ret i32 %0 } define linkonce_odr void @_ZN4BaseC1Ev(ptr %this) unnamed_addr uwtable ssp align 2 { entry: %this.addr = alloca ptr, align 8 store ptr %this, ptr %this.addr, align 8 %this1 = load ptr, ptr %this.addr call void @_ZN4BaseC2Ev(ptr %this1) ret void } define linkonce_odr void @_ZN4BaseD1Ev(ptr %this) unnamed_addr uwtable ssp align 2 { entry: %this.addr = alloca ptr, align 8 store ptr %this, ptr %this.addr, align 8 %this1 = load ptr, ptr %this.addr call void @_ZN4BaseD2Ev(ptr %this1) ret void } define linkonce_odr void @_ZN4BaseD2Ev(ptr %this) unnamed_addr nounwind uwtable ssp align 2 { entry: %this.addr = alloca ptr, align 8 store ptr %this, ptr %this.addr, align 8 %this1 = load ptr, ptr %this.addr ret void } define linkonce_odr void @_ZN4BaseC2Ev(ptr %this) unnamed_addr nounwind uwtable ssp align 2 { entry: %this.addr = alloca ptr, align 8 store ptr %this, ptr %this.addr, align 8 %this1 = load ptr, ptr %this.addr store ptr getelementptr inbounds ([4 x ptr], ptr @_ZTV4Base, i64 0, i64 2), ptr %this1 ret void } define linkonce_odr void @_ZN4BaseD0Ev(ptr %this) unnamed_addr uwtable ssp align 2 personality ptr @__gxx_personality_v0 { entry: %this.addr = alloca ptr, align 8 %exn.slot = alloca ptr %ehselector.slot = alloca i32 store ptr %this, ptr %this.addr, align 8 %this1 = load ptr, ptr %this.addr invoke void @_ZN4BaseD1Ev(ptr %this1) to label %invoke.cont unwind label %lpad invoke.cont: ; preds = %entry call void @_ZdlPv(ptr %this1) nounwind ret void lpad: ; preds = %entry %0 = landingpad { ptr, i32 } cleanup %1 = extractvalue { ptr, i32 } %0, 0 store ptr %1, ptr %exn.slot %2 = extractvalue { ptr, i32 } %0, 1 store i32 %2, ptr %ehselector.slot call void @_ZdlPv(ptr %this1) nounwind br label %eh.resume eh.resume: ; preds = %lpad %exn = load ptr, ptr %exn.slot %sel = load i32, ptr %ehselector.slot %lpad.val = insertvalue { ptr, i32 } undef, ptr %exn, 0 %lpad.val2 = insertvalue { ptr, i32 } %lpad.val, i32 %sel, 1 resume { ptr, i32 } %lpad.val2 } declare i32 @__gxx_personality_v0(...) declare void @_ZdlPv(ptr) nounwind