xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/tls-04.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Test local-dynamic TLS accesses.
2*9880d681SAndroid Build Coastguard Worker;
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=CHECK-MAIN
4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=CHECK-CP
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker@x = thread_local(localdynamic) global i32 0
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; Call __tls_get_offset to retrieve the module's TLS base offset.
9*9880d681SAndroid Build Coastguard Worker; Add the per-symbol offset and the thread pointer.
10*9880d681SAndroid Build Coastguard Workerdefine i32 *@foo() {
11*9880d681SAndroid Build Coastguard Worker; CHECK-CP: .LCP{{.*}}_0:
12*9880d681SAndroid Build Coastguard Worker; CHECK-CP: .quad x@TLSLDM
13*9880d681SAndroid Build Coastguard Worker; CHECK-CP: .LCP{{.*}}_1:
14*9880d681SAndroid Build Coastguard Worker; CHECK-CP: .quad x@DTPOFF
15*9880d681SAndroid Build Coastguard Worker;
16*9880d681SAndroid Build Coastguard Worker; CHECK-MAIN-LABEL: foo:
17*9880d681SAndroid Build Coastguard Worker; CHECK-MAIN-DAG: larl %r12, _GLOBAL_OFFSET_TABLE_
18*9880d681SAndroid Build Coastguard Worker; CHECK-MAIN-DAG: lgrl %r2, .LCP{{.*}}_0
19*9880d681SAndroid Build Coastguard Worker; CHECK-MAIN: brasl %r14, __tls_get_offset@PLT:tls_ldcall:x
20*9880d681SAndroid Build Coastguard Worker; CHECK-MAIN: larl %r1, .LCP{{.*}}_1
21*9880d681SAndroid Build Coastguard Worker; CHECK-MAIN: ag %r2, 0(%r1)
22*9880d681SAndroid Build Coastguard Worker; CHECK-MAIN: ear [[HIGH:%r[0-5]]], %a0
23*9880d681SAndroid Build Coastguard Worker; CHECK-MAIN: sllg [[TP:%r[0-5]]], [[HIGH]], 32
24*9880d681SAndroid Build Coastguard Worker; CHECK-MAIN: ear [[TP]], %a1
25*9880d681SAndroid Build Coastguard Worker; CHECK-MAIN: agr %r2, [[TP]]
26*9880d681SAndroid Build Coastguard Worker; CHECK-MAIN: br %r14
27*9880d681SAndroid Build Coastguard Worker  ret i32 *@x
28*9880d681SAndroid Build Coastguard Worker}
29