1 ; RUN: llc < %s -march=x86 -mattr=+sse42 -disable-mmx -o %t
2 ; RUN: grep paddb %t | count 1
3 ; RUN: grep pand %t | count 1
5 ; widen v8i8 to v16i8 (checks even power of 2 widening with add & and)
6 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
8 define void @update(i64* %dst_i, i64* %src_i, i32 %n) nounwind {
10 %dst_i.addr = alloca i64* ; <i64**> [#uses=2]
11 %src_i.addr = alloca i64* ; <i64**> [#uses=2]
12 %n.addr = alloca i32 ; <i32*> [#uses=2]
13 %i = alloca i32, align 4 ; <i32*> [#uses=8]
14 %dst = alloca <8 x i8>*, align 4 ; <<8 x i8>**> [#uses=2]
15 %src = alloca <8 x i8>*, align 4 ; <<8 x i8>**> [#uses=2]
16 store i64* %dst_i, i64** %dst_i.addr
17 store i64* %src_i, i64** %src_i.addr
18 store i32 %n, i32* %n.addr
22 forcond: ; preds = %forinc, %entry
23 %tmp = load i32* %i ; <i32> [#uses=1]
24 %tmp1 = load i32* %n.addr ; <i32> [#uses=1]
25 %cmp = icmp slt i32 %tmp, %tmp1 ; <i1> [#uses=1]
26 br i1 %cmp, label %forbody, label %afterfor
28 forbody: ; preds = %forcond
29 %tmp2 = load i32* %i ; <i32> [#uses=1]
30 %tmp3 = load i64** %dst_i.addr ; <i64*> [#uses=1]
31 %arrayidx = getelementptr i64* %tmp3, i32 %tmp2 ; <i64*> [#uses=1]
32 %conv = bitcast i64* %arrayidx to <8 x i8>* ; <<8 x i8>*> [#uses=1]
33 store <8 x i8>* %conv, <8 x i8>** %dst
34 %tmp4 = load i32* %i ; <i32> [#uses=1]
35 %tmp5 = load i64** %src_i.addr ; <i64*> [#uses=1]
36 %arrayidx6 = getelementptr i64* %tmp5, i32 %tmp4 ; <i64*> [#uses=1]
37 %conv7 = bitcast i64* %arrayidx6 to <8 x i8>* ; <<8 x i8>*> [#uses=1]
38 store <8 x i8>* %conv7, <8 x i8>** %src
39 %tmp8 = load i32* %i ; <i32> [#uses=1]
40 %tmp9 = load <8 x i8>** %dst ; <<8 x i8>*> [#uses=1]
41 %arrayidx10 = getelementptr <8 x i8>* %tmp9, i32 %tmp8 ; <<8 x i8>*> [#uses=1]
42 %tmp11 = load i32* %i ; <i32> [#uses=1]
43 %tmp12 = load <8 x i8>** %src ; <<8 x i8>*> [#uses=1]
44 %arrayidx13 = getelementptr <8 x i8>* %tmp12, i32 %tmp11 ; <<8 x i8>*> [#uses=1]
45 %tmp14 = load <8 x i8>* %arrayidx13 ; <<8 x i8>> [#uses=1]
46 %add = add <8 x i8> %tmp14, < i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1 > ; <<8 x i8>> [#uses=1]
47 %and = and <8 x i8> %add, < i8 4, i8 4, i8 4, i8 4, i8 4, i8 4, i8 4, i8 4 > ; <<8 x i8>> [#uses=1]
48 store <8 x i8> %and, <8 x i8>* %arrayidx10
51 forinc: ; preds = %forbody
52 %tmp15 = load i32* %i ; <i32> [#uses=1]
53 %inc = add i32 %tmp15, 1 ; <i32> [#uses=1]
54 store i32 %inc, i32* %i
57 afterfor: ; preds = %forcond