Thumb2 assembly parsing and encoding for LDRSHT.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139392 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s
index dbd63f6..cddbb17 100644
--- a/test/MC/ARM/basic-thumb2-instructions.s
+++ b/test/MC/ARM/basic-thumb2-instructions.s
@@ -850,6 +850,20 @@
 
 
 @------------------------------------------------------------------------------
+@ LDRSHT
+@------------------------------------------------------------------------------
+        ldrsht r1, [r2]
+        ldrsht r1, [r8, #0]
+        ldrsht r1, [r8, #3]
+        ldrsht r1, [r8, #255]
+
+@ CHECK: ldrsht	r1, [r2]                @ encoding: [0x32,0xf9,0x00,0x1e]
+@ CHECK: ldrsht	r1, [r8]                @ encoding: [0x38,0xf9,0x00,0x1e]
+@ CHECK: ldrsht	r1, [r8, #3]            @ encoding: [0x38,0xf9,0x03,0x1e]
+@ CHECK: ldrsht	r1, [r8, #255]          @ encoding: [0x38,0xf9,0xff,0x1e]
+
+
+@------------------------------------------------------------------------------
 @ IT
 @------------------------------------------------------------------------------
 @ Test encodings of a few full IT blocks, not just the IT instruction