[Decompiler - New IR] Add AtomicOp (#181)

* wip decompiler ir

* add AtomicOp stuff

* fix windows build and warnings

* add instruction parser

* include

* make minilzo shared

* odr fix

* a

* fix merge conflicts

* move decompiler into namespace

* update the code coverage to include the decompiler

* add demo test

* add register use test to example test

decompiler/Disasm/InstructionDecode.cpp

@@ -8,6 +8,7 @@
 #include <cassert>
 #include "decompiler/ObjectFile/LinkedObjectFile.h"
 
+namespace decompiler {
 // utility class to extract fields of an opcode.
 struct OpcodeFields {
   OpcodeFields(uint32_t _data) : data(_data) {}
@@ -1171,3 +1172,4 @@ Instruction decode_instruction(LinkedWord& word, LinkedObjectFile& file, int seg
 
   return i;
 }
+}  // namespace decompiler