Iasm and obj lowering for advanced switch lowering.

src/IceTargetLoweringMIPS32.h

Index: src/IceTargetLoweringMIPS32.h
diff --git a/src/IceTargetLoweringMIPS32.h b/src/IceTargetLoweringMIPS32.h
index 5ec9c0b830756f4fc9af1bc50b9da1fbaad67800..76a5239284fd5eff7b5c8700796064c7903ffcdb 100644
--- a/src/IceTargetLoweringMIPS32.h
+++ b/src/IceTargetLoweringMIPS32.h
@@ -56,6 +56,8 @@ public:
 
   // TODO(ascull): what is the best size of MIPS?
   SizeT getMinJumpTableSize() const override { return 3; }
+  void emitJumpTable(const Cfg *Func,
+                     const InstJumpTable *JumpTable) const override;
 
   void emitVariable(const Variable *Var) const override;
 
@@ -145,6 +147,7 @@ public:
   void lowerGlobals(const VariableDeclarationList &Vars,
                     const IceString &SectionSuffix) override;
   void lowerConstants() override;
+  void lowerJumpTables() override;
 
 protected:
   explicit TargetDataMIPS32(GlobalContext *Ctx);