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; RUN: opt < %s -analyze -block-freq | FileCheck %s
; PR16402
define void @test1(i32 %n) nounwind {
entry:
%call = tail call i32* @cond() nounwind
%tobool = icmp eq i32* %call, null
br i1 %tobool, label %land.lhs.true, label %if.end
land.lhs.true: ; preds = %entry
%call1 = tail call i32* @cond() nounwind
%tobool2 = icmp eq i32* %call1, null
br i1 %tobool2, label %land.lhs.true3, label %if.end
land.lhs.true3: ; preds = %land.lhs.true
%call4 = tail call i32* @cond() nounwind
%tobool5 = icmp eq i32* %call4, null
br i1 %tobool5, label %land.lhs.true6, label %if.end
land.lhs.true6: ; preds = %land.lhs.true3
%call7 = tail call i32* @cond() nounwind
%tobool8 = icmp eq i32* %call7, null
br i1 %tobool8, label %land.lhs.true9, label %if.end
land.lhs.true9: ; preds = %land.lhs.true6
%call10 = tail call i32* @cond() nounwind
%tobool11 = icmp eq i32* %call10, null
br i1 %tobool11, label %land.lhs.true12, label %if.end
land.lhs.true12: ; preds = %land.lhs.true9
%call13 = tail call i32* @cond() nounwind
%tobool14 = icmp eq i32* %call13, null
br i1 %tobool14, label %land.lhs.true15, label %if.end
land.lhs.true15: ; preds = %land.lhs.true12
%call16 = tail call i32* @cond() nounwind
%tobool17 = icmp eq i32* %call16, null
br i1 %tobool17, label %for.cond.preheader, label %if.end
for.cond.preheader: ; preds = %land.lhs.true15
%cmp21 = icmp eq i32 %n, 0
br i1 %cmp21, label %for.end, label %for.body
for.body: ; preds = %for.cond.preheader, %for.body
%i.022 = phi i32 [ %inc, %for.body ], [ 0, %for.cond.preheader ]
%call18 = tail call i32 @call() nounwind
%inc = add nsw i32 %i.022, 1
%cmp = icmp eq i32 %inc, %n
br i1 %cmp, label %for.end, label %for.body
for.end: ; preds = %for.body, %for.cond.preheader
%call19 = tail call i32* @cond() nounwind
br label %if.end
if.end: ; preds = %land.lhs.true15, %land.lhs.true12, %land.lhs.true9, %land.lhs.true6, %land.lhs.true3, %land.lhs.true, %entry, %for.end
ret void
; CHECK: entry = 1024
; CHECK-NOT: for.body = 0
; CHECK-NOT: for.end = 0
}
declare i32* @cond() nounwind
declare i32 @call() nounwind
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