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 } 29
