add TLS tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36516 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/tls2.ll b/test/CodeGen/ARM/tls2.ll
new file mode 100644
index 0000000..90e3bcf
--- /dev/null
+++ b/test/CodeGen/ARM/tls2.ll
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | llc -march=arm -mtriple=arm-linux-gnueabi | \
+; RUN:     grep {i(gottpoff)}
+; RUN: llvm-as < %s | llc -march=arm -mtriple=arm-linux-gnueabi | \
+; RUN:     grep {ldr r., \[pc, r.\]}
+; RUN: llvm-as < %s | llc -march=arm -mtriple=arm-linux-gnueabi \
+; RUN:     -relocation-model=pic | grep {__tls_get_addr}
+
+@i = external thread_local global i32		; <i32*> [#uses=2]
+
+define i32 @f() {
+entry:
+	%tmp1 = load i32* @i		; <i32> [#uses=1]
+	ret i32 %tmp1
+}
+
+define i32* @g() {
+entry:
+	ret i32* @i
+}