added s4addl matching test


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21277 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Alpha/s4addl.ll b/test/CodeGen/Alpha/s4addl.ll
new file mode 100644
index 0000000..1a92d63
--- /dev/null
+++ b/test/CodeGen/Alpha/s4addl.ll
@@ -0,0 +1,14 @@
+; Make sure this testcase codegens to the bic instruction
+; RUN: llvm-as < %s | llc -march=alpha | grep 's4addl'
+
+; ModuleID = 'test.o'
+deplibs = [ "c", "crtend" ]
+
+implementation   ; Functions:
+
+int %foo(int %x, int %y) {
+entry:
+	%tmp.1 = shl int %y, ubyte 2		; <int> [#uses=1]
+	%tmp.3 = add int %tmp.1, %x		; <int> [#uses=1]
+	ret int %tmp.3
+}