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