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diff --git a/test/MC/ARM/ldrd-strd-gnu-arm.s b/test/MC/ARM/ldrd-strd-gnu-arm.s
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+++ b/test/MC/ARM/ldrd-strd-gnu-arm.s
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+@ PR18921
+@ RUN: llvm-mc -triple=armv7-linux-gnueabi -show-encoding < %s | FileCheck %s
+.text
+
+@ CHECK-NOT: .code 16
+
+
+@ CHECK: ldrd r0, r1, [r10, #32]! @ encoding: [0xd0,0x02,0xea,0xe1]
+@ CHECK: ldrd r0, r1, [r10], #32 @ encoding: [0xd0,0x02,0xca,0xe0]
+@ CHECK: ldrd r0, r1, [r10, #32] @ encoding: [0xd0,0x02,0xca,0xe1]
+ ldrd r0, [r10, #32]!
+ ldrd r0, [r10], #32
+ ldrd r0, [r10, #32]
+
+@ CHECK: strd r0, r1, [r10, #32]! @ encoding: [0xf0,0x02,0xea,0xe1]
+@ CHECK: strd r0, r1, [r10], #32 @ encoding: [0xf0,0x02,0xca,0xe0]
+@ CHECK: strd r0, r1, [r10, #32] @ encoding: [0xf0,0x02,0xca,0xe1]
+ strd r0, [r10, #32]!
+ strd r0, [r10], #32
+ strd r0, [r10, #32]