Add support for Thumb2 encodings of NEON data processing instructions, using the new PostEncoderMethod infrastructure.
More tests to come.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118819 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMCodeEmitter.cpp b/lib/Target/ARM/ARMCodeEmitter.cpp
index e85c7d9..3cb0df5 100644
--- a/lib/Target/ARM/ARMCodeEmitter.cpp
+++ b/lib/Target/ARM/ARMCodeEmitter.cpp
@@ -161,6 +161,8 @@
     //  are already handled elsewhere. They are placeholders to allow this
     //  encoder to continue to function until the MC encoder is sufficiently
     //  far along that this one can be eliminated entirely.
+    unsigned NEONThumb2DataIPostEncoder(const MachineInstr &MI, unsigned Val) 
+      const { return 0; }
     unsigned getBranchTargetOpValue(const MachineInstr &MI, unsigned Op)
       const { return 0; }
     unsigned getCCOutOpValue(const MachineInstr &MI, unsigned Op)