Subzero. Refactors Switch Lowering.

src/IceSwitchLowering.h

 //===- subzero/src/IceSwitchLowering.h - Switch lowering --------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
 /// \brief Helpers for switch lowering.
 ///
 //===----------------------------------------------------------------------===//
 
 #ifndef SUBZERO_SRC_ICESWITCHLOWERING_H
 #define SUBZERO_SRC_ICESWITCHLOWERING_H
 
 #include "IceDefs.h"
 #include "IceStringPool.h"
 
+#include <string>
+
 namespace Ice {
 
 class CaseCluster;
 
 using CaseClusterArray = CfgVector<CaseCluster>;
 
 /// A cluster of cases can be tested by a common method during switch lowering.
 class CaseCluster {
   CaseCluster() = delete;
 
@@ skipping 47 matching lines @@
 
 /// Store the jump table data so that it can be emitted later in the correct ELF
 /// section once the offsets from the start of the function are known.
 class JumpTableData {
   JumpTableData() = delete;
   JumpTableData &operator=(const JumpTableData &) = delete;
 
 public:
   using TargetList = std::vector<intptr_t>;
 
-  JumpTableData(GlobalString FuncName, SizeT Id,
+  JumpTableData(GlobalString Name, GlobalString FuncName, SizeT Id,
                 const TargetList &TargetOffsets)
-      : FuncName(FuncName), Id(Id), TargetOffsets(TargetOffsets) {}
+      : Name(Name), FuncName(FuncName), Id(Id), TargetOffsets(TargetOffsets) {}
   JumpTableData(const JumpTableData &) = default;
   JumpTableData(JumpTableData &&) = default;
   JumpTableData &operator=(JumpTableData &&) = default;
 
-  const GlobalString getFunctionName() const { return FuncName; }
+  GlobalString getName() const { return Name; }
+  GlobalString getFunctionName() const { return FuncName; }
   SizeT getId() const { return Id; }
   const TargetList &getTargetOffsets() const { return TargetOffsets; }
+  std::string getSectionName() const {
+    if (FuncName.hasStdString()) {
+      return FuncName.toString() + "$jumptable";
+    }
+    return std::to_string(FuncName.getID()) + "$jumptable";
+  }
 
 private:
+  GlobalString Name;
   GlobalString FuncName;
   SizeT Id;
   TargetList TargetOffsets;
 };
 
 using JumpTableDataList = std::vector<JumpTableData>;
 
 } // end of namespace Ice
 
 #endif //  SUBZERO_SRC_ICESWITCHLOWERING_H