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; RUN: opt -S -mtriple=i386-unknown-freebsd -mcpu=i486 -loop-vectorize < %s
define i32 @PR14639(i8* nocapture %s, i32 %len) nounwind {
entry:
%cmp4 = icmp sgt i32 %len, 0
br i1 %cmp4, label %for.body, label %for.end
for.body: ; preds = %entry, %for.body
%i.06 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%r.05 = phi i32 [ %xor, %for.body ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i8, i8* %s, i32 %i.06
%0 = load i8, i8* %arrayidx, align 1
%conv = sext i8 %0 to i32
%xor = xor i32 %conv, %r.05
%inc = add nsw i32 %i.06, 1
%exitcond = icmp eq i32 %inc, %len
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
%r.0.lcssa = phi i32 [ 0, %entry ], [ %xor, %for.body ]
ret i32 %r.0.lcssa
}
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