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; 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
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