[WebAssembly] Remove trivial accessors.

[ruiu]

Summary

{set,get}OutputSegment don't hide anything, so remove them.

wasm/InputChunks.h

InputSegment(const WasmSegment &Seg, ObjFile *F)
       : InputChunk(F, InputChunk::DataSegment), Segment(Seg) {}
 
   static bool classof(const InputChunk *C) { return C->kind() == DataSegment; }
 
   // Translate an offset in the input segment to an offset in the output
   // segment.
   uint32_t translateVA(uint32_t Offset) const;
 
-  const OutputSegment *getOutputSegment() const { return OutputSeg; }
-
-  void setOutputSegment(const OutputSegment *Segment, uint32_t Offset) {
-    OutputSeg = Segment;
-    OutputSegmentOffset = Offset;
-  }
-
   uint32_t getAlignment() const { return Segment.Data.Alignment; }
   StringRef getName() const override { return Segment.Data.Name; }
   StringRef getComdat() const override { return Segment.Data.Comdat; }
 
+  const OutputSegment *OutputSeg = nullptr;
   int32_t OutputSegmentOffset = 0;
 
 protected:
   ArrayRef<uint8_t> data() const override { return Segment.Data.Content; }
   uint32_t getInputSectionOffset() const override {
     return Segment.SectionOffset;
   }
 
   const WasmSegment &Segment;
-  const OutputSegment *OutputSeg = nullptr;
 };
 
 // Represents a single wasm function within and input file.  These are
 // combined to create the final output CODE section.
 class InputFunction : public InputChunk {
 public:
   InputFunction(const WasmSignature &S, const WasmFunction *Func,
                 ObjFile *F)

wasm/OutputSegment.h

 namespace wasm {
 
 class InputSegment;
 
 class OutputSegment {
 public:
   OutputSegment(StringRef N, uint32_t Index) : Name(N), Index(Index) {}
 
-  void addInputSegment(InputSegment *Segment) {
-    Alignment = std::max(Alignment, Segment->getAlignment());
-    InputSegments.push_back(Segment);
-    Size = llvm::alignTo(Size, Segment->getAlignment());
-    Segment->setOutputSegment(this, Size);
-    Size += Segment->getSize();
+  void addInputSegment(InputSegment *InSeg) {
+    Alignment = std::max(Alignment, InSeg->getAlignment());
+    InputSegments.push_back(InSeg);
+    Size = llvm::alignTo(Size, InSeg->getAlignment());
+    InSeg->OutputSeg = this;
+    InSeg->OutputSegmentOffset = Size;
+    Size += InSeg->getSize();
   }
 
   uint32_t getSectionOffset() const { return SectionOffset; }
 
   void setSectionOffset(uint32_t Offset) { SectionOffset = Offset; }
 
   StringRef Name;
   const uint32_t Index;

wasm/Symbols.cpp

 
 uint32_t DefinedData::getOutputSegmentOffset() const {
   DEBUG(dbgs() << "getOutputSegmentOffset: " << getName() << "\n");
   return Segment->OutputSegmentOffset + Offset;
 }
 
 uint32_t DefinedData::getOutputSegmentIndex() const {
   DEBUG(dbgs() << "getOutputSegmentIndex: " << getName() << "\n");
-  return Segment->getOutputSegment()->Index;
+  return Segment->OutputSeg->Index;
 }
 
 DefinedGlobal::DefinedGlobal(StringRef Name, uint32_t Flags, InputFile *File,
                              InputGlobal *Global)
     : GlobalSymbol(Name, DefinedGlobalKind, Flags, File,
                    Global ? &Global->getType() : nullptr),
       Global(Global) {}