Add address computation stuff

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75935 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/SystemZ/05-LoadAddr.ll b/test/CodeGen/SystemZ/05-LoadAddr.ll
new file mode 100644
index 0000000..90f01c1
--- /dev/null
+++ b/test/CodeGen/SystemZ/05-LoadAddr.ll
@@ -0,0 +1,12 @@
+
+
+	.text
+	.align	4
+	.globl	foo
+	.type	foo,@function
+foo:
+.BB1_0:	# entry
+	sllg	%r1, %r3, 3
+	lay	%r2, 8(%r1,%r2)
+	br	%r14
+	.size	foo, .-foo