diff --git a/llvm/test/CodeGen/ARM/truncstore-dag-combine.ll b/llvm/test/CodeGen/ARM/truncstore-dag-combine.ll
new file mode 100644
index 000000000000..0e85fb69eb3a
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/truncstore-dag-combine.ll
@@ -0,0 +1,18 @@
+; RUN: llvm-as < %s | llc -march=arm | not grep orr
+; RUN: llvm-as < %s | llc -march=arm | not grep mov
+
+define void @bar(i8* %P, i16* %Q) {
+entry:
+	%P1 = bitcast i8* %P to i16*		; <i16*> [#uses=1]
+	%tmp = load i16* %Q, align 1		; <i16> [#uses=1]
+	store i16 %tmp, i16* %P1, align 1
+	ret void
+}
+
+define void @foo(i8* %P, i32* %Q) {
+entry:
+	%P1 = bitcast i8* %P to i32*		; <i32*> [#uses=1]
+	%tmp = load i32* %Q, align 1		; <i32> [#uses=1]
+	store i32 %tmp, i32* %P1, align 1
+	ret void
+}