1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/tls-03.ll b/test/CodeGen/SystemZ/tls-03.ll
new file mode 100644
index 000000000000..c9f7bd632904
--- /dev/null
+++ b/test/CodeGen/SystemZ/tls-03.ll
@@ -0,0 +1,23 @@
+; Test general-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 global i32 0
+
+; Call __tls_get_offset to retrieve the symbol's TLS offset.
+define i32 *@foo() {
+; CHECK-CP: .LCP{{.*}}:
+; CHECK-CP: .quad x@TLSGD
+;
+; CHECK-MAIN-LABEL: foo:
+; CHECK-MAIN-DAG: larl %r12, _GLOBAL_OFFSET_TABLE_
+; CHECK-MAIN-DAG: lgrl %r2, .LCP{{.*}}
+; CHECK-MAIN: brasl %r14, __tls_get_offset@PLT:tls_gdcall:x
+; 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
+}