Iasm and obj lowering for advanced switch lowering.

src/IceTargetLoweringMIPS32.h

 //===- subzero/src/IceTargetLoweringMIPS32.h - MIPS32 lowering ---*- C++-*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 38 matching lines @@
     return UsesFramePointer ? RegMIPS32::Reg_FP : RegMIPS32::Reg_SP;
   }
   size_t typeWidthInBytesOnStack(Type Ty) const override {
     // Round up to the next multiple of 4 bytes.  In particular, i1,
     // i8, and i16 are rounded up to 4 bytes.
     return (typeWidthInBytes(Ty) + 3) & ~3;
   }
 
   // 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;
 
   const char *getConstantPrefix() const final { return ""; }
   void emit(const ConstantUndef *C) const final {
     (void)C;
     llvm::report_fatal_error("Not yet implemented");
   }
   void emit(const ConstantInteger32 *C) const final {
     (void)C;
@@ skipping 71 matching lines @@
   TargetDataMIPS32 &operator=(const TargetDataMIPS32 &) = delete;
 
 public:
   static std::unique_ptr<TargetDataLowering> create(GlobalContext *Ctx) {
     return std::unique_ptr<TargetDataLowering>(new TargetDataMIPS32(Ctx));
   }
 
   void lowerGlobals(const VariableDeclarationList &Vars,
                     const IceString &SectionSuffix) override;
   void lowerConstants() override;
+  void lowerJumpTables() override;
 
 protected:
   explicit TargetDataMIPS32(GlobalContext *Ctx);
 
 private:
   ~TargetDataMIPS32() override = default;
   template <typename T> static void emitConstantPool(GlobalContext *Ctx);
 };
 
 class TargetHeaderMIPS32 final : public TargetHeaderLowering {
   TargetHeaderMIPS32() = delete;
   TargetHeaderMIPS32(const TargetHeaderMIPS32 &) = delete;
   TargetHeaderMIPS32 &operator=(const TargetHeaderMIPS32 &) = delete;
 
 public:
   static std::unique_ptr<TargetHeaderLowering> create(GlobalContext *Ctx) {
     return std::unique_ptr<TargetHeaderLowering>(new TargetHeaderMIPS32(Ctx));
   }
 
 protected:
   explicit TargetHeaderMIPS32(GlobalContext *Ctx);
 
 private:
   ~TargetHeaderMIPS32() = default;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETARGETLOWERINGMIPS32_H