| Ulrich Weigand | 7db6918 | 2015-02-18 09:13:27 +0000 | [diff] [blame^] | 1 | ; Test local-dynamic TLS accesses. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=CHECK-MAIN |
| 4 | ; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=CHECK-CP |
| 5 | |
| 6 | @x = thread_local(localdynamic) global i32 0 |
| 7 | |
| 8 | ; Call __tls_get_offset to retrieve the module's TLS base offset. |
| 9 | ; Add the per-symbol offset and the thread pointer. |
| 10 | define i32 *@foo() { |
| 11 | ; CHECK-CP: .LCP{{.*}}_0: |
| 12 | ; CHECK-CP: .quad x@TLSLDM |
| 13 | ; CHECK-CP: .LCP{{.*}}_1: |
| 14 | ; CHECK-CP: .quad x@DTPOFF |
| 15 | ; |
| 16 | ; CHECK-MAIN-LABEL: foo: |
| 17 | ; CHECK-MAIN-DAG: larl %r12, _GLOBAL_OFFSET_TABLE_ |
| 18 | ; CHECK-MAIN-DAG: lgrl %r2, .LCP{{.*}}_0 |
| 19 | ; CHECK-MAIN: brasl %r14, __tls_get_offset@PLT:tls_ldcall:x |
| 20 | ; CHECK-MAIN: larl %r1, .LCP{{.*}}_1 |
| 21 | ; CHECK-MAIN: ag %r2, 0(%r1) |
| 22 | ; CHECK-MAIN: ear [[HIGH:%r[0-5]]], %a0 |
| 23 | ; CHECK-MAIN: sllg [[TP:%r[0-5]]], [[HIGH]], 32 |
| 24 | ; CHECK-MAIN: ear [[TP]], %a1 |
| 25 | ; CHECK-MAIN: agr %r2, [[TP]] |
| 26 | ; CHECK-MAIN: br %r14 |
| 27 | ret i32 *@x |
| 28 | } |