Iasm and obj lowering for advanced switch lowering.

src/IceTargetLoweringARM32.h

Index: src/IceTargetLoweringARM32.h
diff --git a/src/IceTargetLoweringARM32.h b/src/IceTargetLoweringARM32.h
index 198563cda9d7980fe217bfca2de9a4e6941ce38a..ffe8ccac5f6dc706733a62dd5f05f82ed3d0eef3 100644
--- a/src/IceTargetLoweringARM32.h
+++ b/src/IceTargetLoweringARM32.h
@@ -80,6 +80,8 @@ public:
 
   // TODO(ascull): what size is best for ARM?
   SizeT getMinJumpTableSize() const override { return 3; }
+  void emitJumpTable(const Cfg *Func,
+                     const InstJumpTable *JumpTable) const override;
 
   void emitVariable(const Variable *Var) const override;
 
@@ -434,6 +436,7 @@ public:
   void lowerGlobals(const VariableDeclarationList &Vars,
                     const IceString &SectionSuffix) override;
   void lowerConstants() override;
+  void lowerJumpTables() override;
 
 protected:
   explicit TargetDataARM32(GlobalContext *Ctx);