bpf: fix a bug for disassembling ld_pseudo inst

Signed-off-by: Yonghong Song <yhs@fb.com>
llvm-svn: 314469
diff --git a/llvm/lib/Target/BPF/Disassembler/BPFDisassembler.cpp b/llvm/lib/Target/BPF/Disassembler/BPFDisassembler.cpp
index f5b621f..6fc87d7 100644
--- a/llvm/lib/Target/BPF/Disassembler/BPFDisassembler.cpp
+++ b/llvm/lib/Target/BPF/Disassembler/BPFDisassembler.cpp
@@ -146,7 +146,8 @@
   if (Result == MCDisassembler::Fail) return MCDisassembler::Fail;
 
   switch (Instr.getOpcode()) {
-  case BPF::LD_imm64: {
+  case BPF::LD_imm64:
+  case BPF::LD_pseudo: {
     if (Bytes.size() < 16) {
       Size = 0;
       return MCDisassembler::Fail;