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; RUN: opt -loop-reduce < %s
; we used to crash on this one
declare i8* @_Znwm()
declare i32 @__gxx_personality_v0(...)
declare void @g()
define void @f() {
bb0:
br label %bb1
bb1:
%v0 = phi i64 [ 0, %bb0 ], [ %v1, %bb1 ]
%v1 = add nsw i64 %v0, 1
br i1 undef, label %bb2, label %bb1
bb2:
%v2 = icmp eq i64 %v0, 0
br i1 %v2, label %bb6, label %bb3
bb3:
%v3 = invoke noalias i8* @_Znwm()
to label %bb5 unwind label %bb4
bb4:
%v4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
cleanup
br label %bb9
bb5:
%v5 = bitcast i8* %v3 to i32**
%add.ptr.i = getelementptr inbounds i32** %v5, i64 %v0
br label %bb6
bb6:
%v6 = phi i32** [ null, %bb2 ], [ %add.ptr.i, %bb5 ]
invoke void @g()
to label %bb7 unwind label %bb8
bb7:
unreachable
bb8:
%v7 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
cleanup
br label %bb9
bb9:
resume { i8*, i32 } zeroinitializer
}
define void @h() {
bb1:
invoke void @g() optsize
to label %bb2 unwind label %bb5
bb2:
%arrayctor.cur = phi i8* [ undef, %bb1 ], [ %arrayctor.next, %bb3 ]
invoke void @g() optsize
to label %bb3 unwind label %bb6
bb3:
%arrayctor.next = getelementptr inbounds i8* %arrayctor.cur, i64 1
br label %bb2
bb4:
ret void
bb5:
%tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
cleanup
invoke void @g() optsize
to label %bb4 unwind label %bb7
bb6:
%tmp1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
cleanup
%arraydestroy.isempty = icmp eq i8* undef, %arrayctor.cur
ret void
bb7:
%lpad.nonloopexit = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* null
ret void
}
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