diff --git a/test/MC/Disassembler/ARM/thumb1.txt b/test/MC/Disassembler/ARM/thumb1.txt
new file mode 100644
index 00000000000..81a7bd6f867
--- /dev/null
+++ b/test/MC/Disassembler/ARM/thumb1.txt
@@ -0,0 +1,30 @@
+# RUN: llvm-mc -triple=thumbv6-apple-darwin -disassemble < %s | FileCheck %s
+
+#------------------------------------------------------------------------------
+# ADC (register)
+#------------------------------------------------------------------------------
+# CHECK: adcs r4, r6
+
+0x74 0x41
+
+
+#------------------------------------------------------------------------------
+# ADD (immediate)
+#------------------------------------------------------------------------------
+# CHECK: adds r1, r2, #3
+# CHECK: adds r2, r2, #3
+# CHECK: adds r2, #8
+
+0xd1 0x1c
+0xd2 0x1c
+0x08 0x32
+
+
+#------------------------------------------------------------------------------
+# ADD (register)
+#------------------------------------------------------------------------------
+# CHECK: adds r1, r2, r3
+# CHECK: add r2, r8
+
+0xd1 0x18
+0x42 0x44