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; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
; PR13228
define void @f() nounwind uwtable readnone {
entry:
br label %for.cond
for.cond: ; preds = %for.cond, %entry
%c.0 = phi i8 [ 1, %entry ], [ 0, %for.cond ]
%i.0 = phi i8 [ 0, %entry ], [ %inc, %for.cond ]
%lnot = icmp eq i8 %i.0, 0
%inc = add i8 %i.0, 1
br i1 %lnot, label %for.cond, label %while.cond
while.cond: ; preds = %while.body, %for.cond
%b.2 = phi i8 [ %add, %while.body ], [ 0, %for.cond ]
br i1 undef, label %while.end, label %while.body
while.body: ; preds = %while.cond
%add = add i8 %b.2, %c.0
%tobool7 = icmp eq i8 %add, 0
br i1 %tobool7, label %while.end, label %while.cond
while.end: ; preds = %while.body, %while.cond
ret void
}
;CHECK: Loop %while.cond: <multiple exits> Unpredictable backedge-taken count.
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