xref: /llvm-project/llvm/test/CodeGen/SystemZ/atomic-load-05.ll (revision 74a09bd1ec6066d56880df1ae1a2c0258442cee9)
1; Test 128-bit integer atomic loads.
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 i128 @f1(ptr %src) {
7; CHECK-LABEL: f1:
8; CHECK: # %bb.0:
9; CHECK-NEXT: lpq %r0, 0(%r3)
10; CHECK-NEXT: stg %r1, 8(%r2)
11; CHECK-NEXT: stg %r0, 0(%r2)
12; CHECK-NEXT: br %r14
13  %val = load atomic i128, ptr %src seq_cst, align 16
14  ret i128 %val
15}
16
17define i128 @f2(ptr %src) {
18; CHECK-LABEL: f2:
19; CHECK: brasl %r14, __atomic_load@PLT
20  %val = load atomic i128, ptr %src seq_cst, align 8
21  ret i128 %val
22}
23