1 ; Test vector byte masks, v16i8 version.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
5 ; Test an all-zeros vector.
6 define <16 x i8> @f1() {
10 ret <16 x i8> zeroinitializer
13 ; Test an all-ones vector.
14 define <16 x i8> @f2() {
16 ; CHECK: vgbm %v24, 65535
18 ret <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1,
19 i8 -1, i8 -1, i8 -1, i8 -1,
20 i8 -1, i8 -1, i8 -1, i8 -1,
21 i8 -1, i8 -1, i8 -1, i8 -1>
24 ; Test a mixed vector (mask 0x8c75).
25 define <16 x i8> @f3() {
27 ; CHECK: vgbm %v24, 35957
29 ret <16 x i8> <i8 -1, i8 0, i8 0, i8 0,
30 i8 -1, i8 -1, i8 0, i8 0,
31 i8 0, i8 -1, i8 -1, i8 -1,
32 i8 0, i8 -1, i8 0, i8 -1>
35 ; Test that undefs are treated as zero.
36 define <16 x i8> @f4() {
38 ; CHECK: vgbm %v24, 35957
40 ret <16 x i8> <i8 -1, i8 undef, i8 undef, i8 undef,
41 i8 -1, i8 -1, i8 undef, i8 undef,
42 i8 undef, i8 -1, i8 -1, i8 -1,
43 i8 undef, i8 -1, i8 undef, i8 -1>
46 ; Test that we don't use VGBM if one of the bytes is not 0 or 0xff.
47 define <16 x i8> @f5() {
51 ret <16 x i8> <i8 -1, i8 0, i8 0, i8 0,
52 i8 -1, i8 -1, i8 0, i8 1,
53 i8 0, i8 -1, i8 -1, i8 -1,
54 i8 0, i8 -1, i8 0, i8 -1>