1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -mtriple=x86_64-unknown -passes=slp-vectorizer,instcombine -S -slp-threshold=-10000 | FileCheck %s
4 define <8 x i32> @sdiv_v8i32_undefs(<8 x i32> %a) {
5 ; CHECK-LABEL: @sdiv_v8i32_undefs(
6 ; CHECK-NEXT: ret <8 x i32> poison
8 %a0 = extractelement <8 x i32> %a, i32 0
9 %a1 = extractelement <8 x i32> %a, i32 1
10 %a2 = extractelement <8 x i32> %a, i32 2
11 %a3 = extractelement <8 x i32> %a, i32 3
12 %a4 = extractelement <8 x i32> %a, i32 4
13 %a5 = extractelement <8 x i32> %a, i32 5
14 %a6 = extractelement <8 x i32> %a, i32 6
15 %a7 = extractelement <8 x i32> %a, i32 7
16 %ab0 = sdiv i32 %a0, undef
17 %ab1 = sdiv i32 %a1, 4
18 %ab2 = sdiv i32 %a2, 8
19 %ab3 = sdiv i32 %a3, 16
20 %ab4 = sdiv i32 %a4, undef
21 %ab5 = sdiv i32 %a5, 4
22 %ab6 = sdiv i32 %a6, 8
23 %ab7 = sdiv i32 %a7, 16
24 %r0 = insertelement <8 x i32> poison, i32 %ab0, i32 0
25 %r1 = insertelement <8 x i32> %r0, i32 %ab1, i32 1
26 %r2 = insertelement <8 x i32> %r1, i32 %ab2, i32 2
27 %r3 = insertelement <8 x i32> %r2, i32 %ab3, i32 3
28 %r4 = insertelement <8 x i32> %r3, i32 %ab4, i32 4
29 %r5 = insertelement <8 x i32> %r4, i32 %ab5, i32 5
30 %r6 = insertelement <8 x i32> %r5, i32 %ab6, i32 6
31 %r7 = insertelement <8 x i32> %r6, i32 %ab7, i32 7