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Diffstat (limited to 'test/CodeGen/SystemZ/tls-04.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/tls-04.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/tls-04.ll b/test/CodeGen/SystemZ/tls-04.ll new file mode 100644 index 0000000..dcb210a --- /dev/null +++ b/test/CodeGen/SystemZ/tls-04.ll @@ -0,0 +1,28 @@ +; 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 +} |