Iasm and obj lowering for advanced switch lowering.

src/IceAssemblerARM32.h

Index: src/IceAssemblerARM32.h
diff --git a/src/IceAssemblerARM32.h b/src/IceAssemblerARM32.h
index 977b43db0bc61f6ce1744dde361c5d3bba04b932..027cf2f4aada060e3118915c4587963505fc3363 100644
--- a/src/IceAssemblerARM32.h
+++ b/src/IceAssemblerARM32.h
@@ -44,6 +44,7 @@ public:
   ~AssemblerARM32() override = default;
 
   void alignFunction() override { llvm_unreachable("Not yet implemented."); }
+  void alignCfgNode() override { llvm_unreachable("Not yet implemented."); }
 
   SizeT getBundleAlignLog2Bytes() const override { return 4; }
 
@@ -61,6 +62,11 @@ public:
     llvm_unreachable("Not yet implemented.");
   }
 
+  Label *getOrCreateCfgNodeLabel(SizeT NodeNumber) override {
+    (void)NodeNumber;
+    llvm_unreachable("Not yet implemented.");
+  }
+
   void bindCfgNodeLabel(SizeT NodeNumber) override {
     (void)NodeNumber;
     llvm_unreachable("Not yet implemented.");