1; Test vector byte masks, v2f64 version.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
4
5; Test an all-zeros vector.
6define <2 x double> @f1() {
7; CHECK-LABEL: f1:
8; CHECK: vgbm %v24, 0
9; CHECK: br %r14
10  ret <2 x double> zeroinitializer
11}
12
13; Test an all-ones vector.
14define <2 x double> @f2() {
15; CHECK-LABEL: f2:
16; CHECK: vgbm %v24, 65535
17; CHECK: br %r14
18  ret <2 x double> <double 0xffffffffffffffff, double 0xffffffffffffffff>
19}
20
21; Test a mixed vector (mask 0x8c76).
22define <2 x double> @f3() {
23; CHECK-LABEL: f3:
24; CHECK: vgbm %v24, 35958
25; CHECK: br %r14
26  ret <2 x double> <double 0xff000000ffff0000, double 0x00ffffff00ffff00>
27}
28
29; Test that undefs are treated as zero (mask 0x8c00).
30define <2 x double> @f4() {
31; CHECK-LABEL: f4:
32; CHECK: vgbm %v24, 35840
33; CHECK: br %r14
34  ret <2 x double> <double 0xff000000ffff0000, double undef>
35}
36
37; Test that we don't use VGBM if one of the bytes is not 0 or 0xff.
38define <2 x double> @f5() {
39; CHECK-LABEL: f5:
40; CHECK-NOT: vgbm
41; CHECK: br %r14
42  ret <2 x double> <double 0xfe000000ffff0000, double 0x00ffffff00ffff00>
43}
44