Start incorporating the ARM integrated assembler.

src/IceTargetLowering.cpp

Index: src/IceTargetLowering.cpp
diff --git a/src/IceTargetLowering.cpp b/src/IceTargetLowering.cpp
index 9a8a02ab9ed504efbe3652ca78ae16d2bcfaf6ba..8d67e8b9f68c99d9c280c4df6554f63c5ee922dd 100644
--- a/src/IceTargetLowering.cpp
+++ b/src/IceTargetLowering.cpp
@@ -113,7 +113,7 @@ std::unique_ptr<Assembler> TargetLowering::createAssembler(TargetArch Target,
                                                            Cfg *Func) {
 #define SUBZERO_TARGET(X)                                                      \
   if (Target == Target_##X)                                                    \
-    return std::unique_ptr<Assembler>(new X::Assembler##X());
+    return std::unique_ptr<Assembler>(new X::Assembler##X(Func->getContext()));
 #include "llvm/Config/SZTargets.def"
 
   Func->setError("Unsupported target assembler");