diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s
index d0fdb05295f..160ed80d3ae 100644
--- a/test/MC/ARM/basic-thumb2-instructions.s
+++ b/test/MC/ARM/basic-thumb2-instructions.s
@@ -2146,6 +2146,20 @@ _func:
 @ CHECK: stm.w	r5!, {r3, r8}           @ encoding: [0xa5,0xe8,0x08,0x01]
 
 
+@------------------------------------------------------------------------------
+@ STMDB
+@------------------------------------------------------------------------------
+        stmdb r4, {r4, r5, r8, r9}
+        stmdb r4, {r5, r6}
+        stmdb r5!, {r3, r8}
+        stmea r5!, {r3, r8}
+
+@ CHECK: stmdb	r4, {r4, r5, r8, r9}    @ encoding: [0x04,0xe9,0x30,0x03]
+@ CHECK: stmdb	r4, {r5, r6}            @ encoding: [0x04,0xe9,0x60,0x00]
+@ CHECK: stmdb	r5!, {r3, r8}           @ encoding: [0x25,0xe9,0x08,0x01]
+@ CHECK: stm.w	r5!, {r3, r8}           @ encoding: [0xa5,0xe8,0x08,0x01]
+
+
 @------------------------------------------------------------------------------
 @ SUB (register)
 @------------------------------------------------------------------------------