diff --git a/test/MC/Disassembler/ARM/arm-tests.txt b/test/MC/Disassembler/ARM/arm-tests.txt
index ee0ced146a1..ade29525937 100644
--- a/test/MC/Disassembler/ARM/arm-tests.txt
+++ b/test/MC/Disassembler/ARM/arm-tests.txt
@@ -281,3 +281,6 @@
 
 # CHECK:	smmlareq	r0, r0, r0, r0
 0x30 0x00 0x50 0x07
+
+# CHECK:	nop
+0x00 0xf0 0x20 0xe3
diff --git a/test/MC/Disassembler/ARM/thumb-tests.txt b/test/MC/Disassembler/ARM/thumb-tests.txt
index 2cbb33cec76..774dbe4b42e 100644
--- a/test/MC/Disassembler/ARM/thumb-tests.txt
+++ b/test/MC/Disassembler/ARM/thumb-tests.txt
@@ -256,3 +256,9 @@
 
 # CHECK:	mov	pc, sp
 0xef 0x46
+
+# CHECK:	nop
+0x00 0xbf
+
+# CHECK:	nop.w
+0xaf 0xf3 0x00 0x80