Sink DwarfUnit::SectionSym into DwarfCompileUnit as it's only needed/used there.

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfCompileUnit.h

diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
index 446571c4bf7a2f2c6cb37f9e45d6e5718942a66c..dd59024e786f69a5eee001d315535121ae90c9a0 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
@@ -33,10 +33,25 @@ class DwarfCompileUnit : public DwarfUnit {
   /// the need to search for it in applyStmtList.
   unsigned stmtListIndex;
 
+  /// Skeleton unit associated with this unit.
+  DwarfCompileUnit *Skeleton;
+
+  /// A label at the start of the non-dwo section related to this unit.
+  MCSymbol *SectionSym;
+
+  /// \brief Construct a DIE for the given DbgVariable without initializing the
+  /// DbgVariable's DIE reference.
+  std::unique_ptr<DIE> constructVariableDIEImpl(const DbgVariable &DV,
+                                                bool Abstract);
+
 public:
   DwarfCompileUnit(unsigned UID, DICompileUnit Node, AsmPrinter *A,
                    DwarfDebug *DW, DwarfFile *DWU);
 
+  DwarfCompileUnit *getSkeleton() const {
+    return Skeleton;
+  }
+
   void initStmtList(MCSymbol *DwarfLineSectionSym);
 
   /// Apply the DW_AT_stmt_list from this compile unit to the specified DIE.
@@ -55,6 +70,10 @@ public:
   void addLocalLabelAddress(DIE &Die, dwarf::Attribute Attribute,
                             const MCSymbol *Label);
 
+  /// addSectionDelta - Add a label delta attribute data and value.
+  void addSectionDelta(DIE &Die, dwarf::Attribute Attribute, const MCSymbol *Hi,
+                       const MCSymbol *Lo);
+
   DwarfCompileUnit &getCU() override { return *this; }
 
   unsigned getOrCreateSourceID(StringRef FileName, StringRef DirName) override;
@@ -77,6 +96,83 @@ public:
 
   void constructScopeDIE(LexicalScope *Scope,
                          SmallVectorImpl<std::unique_ptr<DIE>> &FinalChildren);
+
+  /// \brief A helper function to construct a RangeSpanList for a given
+  /// lexical scope.
+  void addScopeRangeList(DIE &ScopeDIE,
+                         const SmallVectorImpl<InsnRange> &Range);
+
+  void attachRangesOrLowHighPC(DIE &D,
+                               const SmallVectorImpl<InsnRange> &Ranges);
+
+  /// \brief This scope represents inlined body of a function. Construct
+  /// DIE to represent this concrete inlined copy of the function.
+  std::unique_ptr<DIE> constructInlinedScopeDIE(LexicalScope *Scope);
+
+  /// \brief Construct new DW_TAG_lexical_block for this scope and
+  /// attach DW_AT_low_pc/DW_AT_high_pc labels.
+  std::unique_ptr<DIE> constructLexicalScopeDIE(LexicalScope *Scope);
+
+  /// constructVariableDIE - Construct a DIE for the given DbgVariable.
+  std::unique_ptr<DIE> constructVariableDIE(DbgVariable &DV,
+                                            bool Abstract = false);
+
+  std::unique_ptr<DIE> constructVariableDIE(DbgVariable &DV,
+                                            const LexicalScope &Scope,
+                                            DIE *&ObjectPointer);
+
+  /// A helper function to create children of a Scope DIE.
+  DIE *createScopeChildrenDIE(LexicalScope *Scope,
+                              SmallVectorImpl<std::unique_ptr<DIE>> &Children,
+                              unsigned *ChildScopeCount = nullptr);
+
+  /// \brief Construct a DIE for this subprogram scope.
+  void constructSubprogramScopeDIE(LexicalScope *Scope);
+
+  DIE *createAndAddScopeChildren(LexicalScope *Scope, DIE &ScopeDIE);
+
+  void constructAbstractSubprogramScopeDIE(LexicalScope *Scope);
+
+  /// \brief Construct import_module DIE.
+  std::unique_ptr<DIE>
+  constructImportedEntityDIE(const DIImportedEntity &Module);
+
+  void finishSubprogramDefinition(DISubprogram SP);
+
+  void collectDeadVariables(DISubprogram SP);
+
+  /// If there's a skeleton then return the begin label for the skeleton unit,
+  /// otherwise return the local label for this unit.
+  MCSymbol *getLocalLabelBegin() const {
+    if (Skeleton)
+      return Skeleton->getLabelBegin();
+    return getLabelBegin();
+  }
+
+  /// If there's a skeleton then return the section symbol for the skeleton
+  /// unit, otherwise return the section symbol for this unit.
+  MCSymbol *getLocalSectionSym() const {
+    if (Skeleton)
+      return Skeleton->getSectionSym();
+    return getSectionSym();
+  }
+
+  /// Set the skeleton unit associated with this unit.
+  void setSkeleton(DwarfCompileUnit &Skel) { Skeleton = &Skel; }
+
+  MCSymbol *getSectionSym() const {
+    assert(Section);
+    return SectionSym;
+  }
+
+  /// Pass in the SectionSym even though we could recreate it in every compile
+  /// unit (type units will have actually distinct symbols once they're in
+  /// comdat sections).
+  void initSection(const MCSection *Section, MCSymbol *SectionSym) {
+    DwarfUnit::initSection(Section);
+    this->SectionSym = SectionSym;
+  }
+
 };
 
 } // end llvm namespace