xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/vec-const-04.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Test vector byte masks, v2i64 version.
2*9880d681SAndroid Build Coastguard Worker;
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; Test an all-zeros vector.
6*9880d681SAndroid Build Coastguard Workerdefine <2 x i64> @f1() {
7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
8*9880d681SAndroid Build Coastguard Worker; CHECK: vgbm %v24, 0
9*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
10*9880d681SAndroid Build Coastguard Worker  ret <2 x i64> zeroinitializer
11*9880d681SAndroid Build Coastguard Worker}
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Worker; Test an all-ones vector.
14*9880d681SAndroid Build Coastguard Workerdefine <2 x i64> @f2() {
15*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2:
16*9880d681SAndroid Build Coastguard Worker; CHECK: vgbm %v24, 65535
17*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
18*9880d681SAndroid Build Coastguard Worker  ret <2 x i64> <i64 -1, i64 -1>
19*9880d681SAndroid Build Coastguard Worker}
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Worker; Test a mixed vector (mask 0x8c76).
22*9880d681SAndroid Build Coastguard Workerdefine <2 x i64> @f3() {
23*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3:
24*9880d681SAndroid Build Coastguard Worker; CHECK: vgbm %v24, 35958
25*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
26*9880d681SAndroid Build Coastguard Worker  ret <2 x i64> <i64 18374686483966525440, i64 72057589759737600>
27*9880d681SAndroid Build Coastguard Worker}
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Worker; Test that undefs are treated as zero (mask 0x8c00).
30*9880d681SAndroid Build Coastguard Workerdefine <2 x i64> @f4() {
31*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f4:
32*9880d681SAndroid Build Coastguard Worker; CHECK: vgbm %v24, 35840
33*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
34*9880d681SAndroid Build Coastguard Worker  ret <2 x i64> <i64 18374686483966525440, i64 undef>
35*9880d681SAndroid Build Coastguard Worker}
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Worker; Test that we don't use VGBM if one of the bytes is not 0 or 0xff.
38*9880d681SAndroid Build Coastguard Workerdefine <2 x i64> @f5() {
39*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f5:
40*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: vgbm
41*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
42*9880d681SAndroid Build Coastguard Worker  ret <2 x i64> <i64 18374686483966525441, i64 72057589759737600>
43*9880d681SAndroid Build Coastguard Worker}
44