xref: /llvm-project/llvm/test/CodeGen/SystemZ/atomic-store-05.ll (revision 74a09bd1ec6066d56880df1ae1a2c0258442cee9)
1; Test 128-bit integer atomic stores.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
5
6define void @f1(i128 %val, ptr %src) {
7; CHECK-LABEL: f1:
8; CHECK-DAG: lg %r1, 8(%r2)
9; CHECK-DAG: lg %r0, 0(%r2)
10; CHECK: stpq %r0, 0(%r3)
11; CHECK: bcr 1{{[45]}}, %r0
12; CHECK: br %r14
13  store atomic i128 %val, ptr %src seq_cst, align 16
14  ret void
15}
16
17define void @f2(i128 %val, ptr %src) {
18; CHECK-LABEL: f2:
19; CHECK-DAG: lg %r1, 8(%r2)
20; CHECK-DAG: lg %r0, 0(%r2)
21; CHECK: stpq %r0, 0(%r3)
22; CHECK-NOT: bcr 1{{[45]}}, %r0
23; CHECK: br %r14
24  store atomic i128 %val, ptr %src monotonic, align 16
25  ret void
26}
27
28define void @f3(i128 %val, ptr %src) {
29; CHECK-LABEL: f3:
30; CHECK: brasl %r14, __atomic_store@PLT
31  store atomic i128 %val, ptr %src seq_cst, align 8
32  ret void
33}
34