1 ; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s
3 target 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 target triple = "x86_64-apple-macosx10.9.0"
10 define noalias i8* @hexit(i8* nocapture %bytes, i64 %length) nounwind uwtable ssp {
12 %shl = shl i64 %length, 1
13 %add28 = or i64 %shl, 1
14 %call = tail call i8* @calloc(i64 1, i64 %add28) nounwind
15 %cmp29 = icmp eq i64 %shl, 0
16 br i1 %cmp29, label %for.end, label %for.body.lr.ph
18 for.body.lr.ph: ; preds = %entry
19 %0 = shl i64 %length, 1
22 for.body: ; preds = %for.body, %for.body.lr.ph
23 %i.030 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
24 %shr = lshr i64 %i.030, 1
25 %arrayidx = getelementptr inbounds i8* %bytes, i64 %shr
26 %1 = load i8* %arrayidx, align 1
27 %conv = zext i8 %1 to i32
28 %and = shl i64 %i.030, 2
29 %neg = and i64 %and, 4
30 %and3 = xor i64 %neg, 4
31 %sh_prom = trunc i64 %and3 to i32
32 %shl4 = shl i32 15, %sh_prom
33 %and5 = and i32 %conv, %shl4
34 %shr11 = lshr i32 %and5, %sh_prom
35 %conv13 = and i32 %shr11, 254
36 %cmp15 = icmp ugt i32 %conv13, 9
37 %cond = select i1 %cmp15, i32 87, i32 48
38 %add17 = add nsw i32 %cond, %shr11
39 %conv18 = trunc i32 %add17 to i8
40 %arrayidx19 = getelementptr inbounds i8* %call, i64 %i.030
41 store i8 %conv18, i8* %arrayidx19, align 1
42 %inc = add i64 %i.030, 1
43 %exitcond = icmp eq i64 %inc, %0
44 br i1 %exitcond, label %for.end, label %for.body
46 for.end: ; preds = %for.body, %entry
50 declare noalias i8* @calloc(i64, i64) nounwind