1; Test vector byte masks, v4i32 version.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
4
5; Test an all-zeros vector.
6define <4 x i32> @f1() {
7; CHECK-LABEL: f1:
8; CHECK: vgbm %v24, 0
9; CHECK: br %r14
10  ret <4 x i32> zeroinitializer
11}
12
13; Test an all-ones vector.
14define <4 x i32> @f2() {
15; CHECK-LABEL: f2:
16; CHECK: vgbm %v24, 65535
17; CHECK: br %r14
18  ret <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>
19}
20
21; Test a mixed vector (mask 0x8c76).
22define <4 x i32> @f3() {
23; CHECK-LABEL: f3:
24; CHECK: vgbm %v24, 35958
25; CHECK: br %r14
26  ret <4 x i32> <i32 4278190080, i32 4294901760, i32 16777215, i32 16776960>
27}
28
29; Test that undefs are treated as zero (mask 0x8076).
30define <4 x i32> @f4() {
31; CHECK-LABEL: f4:
32; CHECK: vgbm %v24, 32886
33; CHECK: br %r14
34  ret <4 x i32> <i32 4278190080, i32 undef, i32 16777215, i32 16776960>
35}
36
37; Test that we don't use VGBM if one of the bytes is not 0 or 0xff.
38define <4 x i32> @f5() {
39; CHECK-LABEL: f5:
40; CHECK-NOT: vgbm
41; CHECK: br %r14
42  ret <4 x i32> <i32 4278190080, i32 1, i32 16777215, i32 16776960>
43}
44
45; Test an all-zeros v2i32 that gets promoted to v4i32.
46define <2 x i32> @f6() {
47; CHECK-LABEL: f6:
48; CHECK: vgbm %v24, 0
49; CHECK: br %r14
50  ret <2 x i32> zeroinitializer
51}
52
53; Test a mixed v2i32 that gets promoted to v4i32 (mask 0xae00).
54define <2 x i32> @f7() {
55; CHECK-LABEL: f7:
56; CHECK: vgbm %v24, 44544
57; CHECK: br %r14
58  ret <2 x i32> <i32 4278255360, i32 -256>
59}
60