1 ; RUN: opt -S -mtriple=i386-unknown-freebsd -mcpu=i486 -loop-vectorize < %s 2 3 define i32 @PR14639(i8* nocapture %s, i32 %len) nounwind { 4 entry: 5 %cmp4 = icmp sgt i32 %len, 0 6 br i1 %cmp4, label %for.body, label %for.end 7 8 for.body: ; preds = %entry, %for.body 9 %i.06 = phi i32 [ %inc, %for.body ], [ 0, %entry ] 10 %r.05 = phi i32 [ %xor, %for.body ], [ 0, %entry ] 11 %arrayidx = getelementptr inbounds i8, i8* %s, i32 %i.06 12 %0 = load i8, i8* %arrayidx, align 1 13 %conv = sext i8 %0 to i32 14 %xor = xor i32 %conv, %r.05 15 %inc = add nsw i32 %i.06, 1 16 %exitcond = icmp eq i32 %inc, %len 17 br i1 %exitcond, label %for.end, label %for.body 18 19 for.end: ; preds = %for.body, %entry 20 %r.0.lcssa = phi i32 [ 0, %entry ], [ %xor, %for.body ] 21 ret i32 %r.0.lcssa 22 } 23
