| ; Test local-dynamic TLS accesses. |
| ; |
| ; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=CHECK-MAIN |
| ; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=CHECK-CP |
| |
| @x = thread_local(localdynamic) global i32 0 |
| |
| ; Call __tls_get_offset to retrieve the module's TLS base offset. |
| ; Add the per-symbol offset and the thread pointer. |
| define i32 *@foo() { |
| ; CHECK-CP: .LCP{{.*}}_0: |
| ; CHECK-CP: .quad x@TLSLDM |
| ; CHECK-CP: .LCP{{.*}}_1: |
| ; CHECK-CP: .quad x@DTPOFF |
| ; |
| ; CHECK-MAIN-LABEL: foo: |
| ; CHECK-MAIN-DAG: larl %r12, _GLOBAL_OFFSET_TABLE_ |
| ; CHECK-MAIN-DAG: lgrl %r2, .LCP{{.*}}_0 |
| ; CHECK-MAIN: brasl %r14, __tls_get_offset@PLT:tls_ldcall:x |
| ; CHECK-MAIN: larl %r1, .LCP{{.*}}_1 |
| ; CHECK-MAIN: ag %r2, 0(%r1) |
| ; CHECK-MAIN: ear [[HIGH:%r[0-5]]], %a0 |
| ; CHECK-MAIN: sllg [[TP:%r[0-5]]], [[HIGH]], 32 |
| ; CHECK-MAIN: ear [[TP]], %a1 |
| ; CHECK-MAIN: agr %r2, [[TP]] |
| ; CHECK-MAIN: br %r14 |
| ret i32 *@x |
| } |
