1; RUN: opt < %s  -basic-aa -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s
2
3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
4
5;CHECK: hexit
6;CHECK: zext <4 x i8>
7;CHECK: ret
8
9define noalias i8* @hexit(i8* nocapture %bytes, i64 %length) nounwind uwtable ssp {
10entry:
11  %shl = shl i64 %length, 1
12  %add28 = or i64 %shl, 1
13  %call = tail call i8* @calloc(i64 1, i64 %add28) nounwind
14  %cmp29 = icmp eq i64 %shl, 0
15  br i1 %cmp29, label %for.end, label %for.body.lr.ph
16
17for.body.lr.ph:                                   ; preds = %entry
18  %0 = shl i64 %length, 1
19  br label %for.body
20
21for.body:                                         ; preds = %for.body, %for.body.lr.ph
22  %i.030 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
23  %shr = lshr i64 %i.030, 1
24  %arrayidx = getelementptr inbounds i8, i8* %bytes, i64 %shr
25  %1 = load i8, i8* %arrayidx, align 1
26  %conv = zext i8 %1 to i32
27  %and = shl i64 %i.030, 2
28  %neg = and i64 %and, 4
29  %and3 = xor i64 %neg, 4
30  %sh_prom = trunc i64 %and3 to i32
31  %shl4 = shl i32 15, %sh_prom
32  %and5 = and i32 %conv, %shl4
33  %shr11 = lshr i32 %and5, %sh_prom
34  %conv13 = and i32 %shr11, 254
35  %cmp15 = icmp ugt i32 %conv13, 9
36  %cond = select i1 %cmp15, i32 87, i32 48
37  %add17 = add nsw i32 %cond, %shr11
38  %conv18 = trunc i32 %add17 to i8
39  %arrayidx19 = getelementptr inbounds i8, i8* %call, i64 %i.030
40  store i8 %conv18, i8* %arrayidx19, align 1
41  %inc = add i64 %i.030, 1
42  %exitcond = icmp eq i64 %inc, %0
43  br i1 %exitcond, label %for.end, label %for.body
44
45for.end:                                          ; preds = %for.body, %entry
46  ret i8* %call
47}
48
49declare noalias i8* @calloc(i64, i64) nounwind
50