Evan implemented this.

llvm-svn: 47827
diff --git a/llvm/test/CodeGen/PowerPC/rlwimi-commute.ll b/llvm/test/CodeGen/PowerPC/rlwimi-commute.ll
index ed2e7b0..f8a42b5 100644
--- a/llvm/test/CodeGen/PowerPC/rlwimi-commute.ll
+++ b/llvm/test/CodeGen/PowerPC/rlwimi-commute.ll
@@ -24,3 +24,11 @@
 	store i32 %B.upgrd.4, i32* %E
 	ret void
 }
+
+define i32 @test3(i32 %a, i32 %b) {
+	%tmp.1 = and i32 %a, 15		; <i32> [#uses=1]
+	%tmp.3 = and i32 %b, 240		; <i32> [#uses=1]
+	%tmp.4 = or i32 %tmp.3, %tmp.1		; <i32> [#uses=1]
+	ret i32 %tmp.4
+}
+