1 ; RUN: opt < %s -basicaa -slp-vectorizer -S -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7-avx | FileCheck %s
3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4 target triple = "x86_64-unknown-linux-gnu"
6 ;CHECK-LABEL: @powof2div(
7 ;CHECK: load <4 x i32>, <4 x i32>*
8 ;CHECK: add nsw <4 x i32>
10 define void @powof2div(i32* noalias nocapture %a, i32* noalias nocapture readonly %b, i32* noalias nocapture readonly %c){
12 %0 = load i32, i32* %b, align 4
13 %1 = load i32, i32* %c, align 4
14 %add = add nsw i32 %1, %0
15 %div = sdiv i32 %add, 2
16 store i32 %div, i32* %a, align 4
17 %arrayidx3 = getelementptr inbounds i32, i32* %b, i64 1
18 %2 = load i32, i32* %arrayidx3, align 4
19 %arrayidx4 = getelementptr inbounds i32, i32* %c, i64 1
20 %3 = load i32, i32* %arrayidx4, align 4
21 %add5 = add nsw i32 %3, %2
22 %div6 = sdiv i32 %add5, 2
23 %arrayidx7 = getelementptr inbounds i32, i32* %a, i64 1
24 store i32 %div6, i32* %arrayidx7, align 4
25 %arrayidx8 = getelementptr inbounds i32, i32* %b, i64 2
26 %4 = load i32, i32* %arrayidx8, align 4
27 %arrayidx9 = getelementptr inbounds i32, i32* %c, i64 2
28 %5 = load i32, i32* %arrayidx9, align 4
29 %add10 = add nsw i32 %5, %4
30 %div11 = sdiv i32 %add10, 2
31 %arrayidx12 = getelementptr inbounds i32, i32* %a, i64 2
32 store i32 %div11, i32* %arrayidx12, align 4
33 %arrayidx13 = getelementptr inbounds i32, i32* %b, i64 3
34 %6 = load i32, i32* %arrayidx13, align 4
35 %arrayidx14 = getelementptr inbounds i32, i32* %c, i64 3
36 %7 = load i32, i32* %arrayidx14, align 4
37 %add15 = add nsw i32 %7, %6
38 %div16 = sdiv i32 %add15, 2
39 %arrayidx17 = getelementptr inbounds i32, i32* %a, i64 3
40 store i32 %div16, i32* %arrayidx17, align 4