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; RUN: opt %loadPolly -polly-detect -analyze < %s
; Verify that the scop detection does not crash on inputs with unreachable
; blocks. Earlier we crashed when detecting error blocks.
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; Function Attrs: nounwind uwtable
define void @foo() {
entry:
br label %while.cond
while.cond: ; preds = %for.end, %entry
br i1 false, label %for.end, label %while.end8
while.cond1: ; preds = %while.cond4
br i1 undef, label %while.body3, label %for.inc
while.body3: ; preds = %while.cond1
br label %while.cond4
while.cond4: ; preds = %while.cond4, %while.body3
br i1 undef, label %while.cond4, label %while.cond1
for.inc: ; preds = %while.cond1
%conv = zext i16 undef to i32
br label %for.end
for.end: ; preds = %for.inc, %while.cond
%conv.sink = phi i32 [ %conv, %for.inc ], [ 0, %while.cond ]
br label %while.cond
while.end8: ; preds = %while.cond
ret void
}
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