[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/Function/RegUsage.cpp

@@ -1,6 +1,7 @@
 #include "Function.h"
 #include "decompiler/IR/IR.h"
 
+namespace decompiler {
 namespace {
 bool in_set(RegSet& set, const Register& obj) {
   return set.find(obj) != set.end();
@@ -170,4 +171,5 @@ void Function::run_reg_usage() {
       }
     }
   }
-}
+}
+}  // namespace decompiler