AMDGPU/SI: Adjust the encoding family for D16 buffer instructions when the target has UnpackedD16VMem feature.

Reviewers:
  Matt and Brian

Differential Revision:
  https://reviews.llvm.org/D42548

llvm-svn: 323988
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.tbuffer.store.d16.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.tbuffer.store.d16.ll
index 6ccdc2d..0367bb2 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.tbuffer.store.d16.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.tbuffer.store.d16.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=UNPACKED %s
+; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs -show-mc-encoding | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=UNPACKED %s
 ; RUN: llc < %s -march=amdgcn -mcpu=gfx810 -verify-machineinstrs | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=PACKED -check-prefix=GFX81 %s
 ; RUN: llc < %s -march=amdgcn -mcpu=gfx900 -verify-machineinstrs | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=PACKED -check-prefix=GFX9 %s