[MC/AsmParser] Avoid setting MCSymbol.IsUsed in some cases

[oota-llvm.git] / include / llvm / MC / MCSectionCOFF.h

diff --git a/include/llvm/MC/MCSectionCOFF.h b/include/llvm/MC/MCSectionCOFF.h
index a428f9efb2b58d9ba00e7458b0167ac7aa184060..237f6d31fb1b054be1c95a76a70324368230c904 100644 (file)
--- a/include/llvm/MC/MCSectionCOFF.h
+++ b/include/llvm/MC/MCSectionCOFF.h
@@ -36,32 +36,24 @@ class MCSymbol;
     /// The COMDAT symbol of this section. Only valid if this is a COMDAT
     /// section. Two COMDAT sections are merged if they have the same
     /// COMDAT symbol.
-    const MCSymbol *COMDATSymbol;
+    MCSymbol *COMDATSymbol;
 
     /// Selection - This is the Selection field for the section symbol, if
     /// it is a COMDAT section (Characteristics & IMAGE_SCN_LNK_COMDAT) != 0
     mutable int Selection;
 
-    /// Assoc - This is name of the associated section, if it is a COMDAT
-    /// section (Characteristics & IMAGE_SCN_LNK_COMDAT) != 0 with an
-    /// associative Selection (IMAGE_COMDAT_SELECT_ASSOCIATIVE).
-    mutable const MCSectionCOFF *Assoc;
-
   private:
     friend class MCContext;
     MCSectionCOFF(StringRef Section, unsigned Characteristics,
-                  const MCSymbol *COMDATSymbol, int Selection,
-                  const MCSectionCOFF *Assoc, SectionKind K)
-        : MCSection(SV_COFF, K), SectionName(Section),
+                  MCSymbol *COMDATSymbol, int Selection, SectionKind K,
+                  MCSymbol *Begin)
+        : MCSection(SV_COFF, K, Begin), SectionName(Section),
           Characteristics(Characteristics), COMDATSymbol(COMDATSymbol),
-          Selection(Selection), Assoc(Assoc) {
+          Selection(Selection) {
       assert ((Characteristics & 0x00F00000) == 0 &&
         "alignment must not be set upon section creation");
-      assert ((Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE) ==
-              (Assoc != nullptr) &&
-        "associative COMDAT section must have an associated section");
     }
-    ~MCSectionCOFF();
+    ~MCSectionCOFF() override;
 
   public:
     /// ShouldOmitSectionDirective - Decides whether a '.section' directive
@@ -69,18 +61,11 @@ class MCSymbol;
     bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
 
     StringRef getSectionName() const { return SectionName; }
-    std::string getLabelBeginName() const override {
-      return SectionName.str() + "_begin";
-    }
-    std::string getLabelEndName() const override {
-      return SectionName.str() + "_end";
-    }
     unsigned getCharacteristics() const { return Characteristics; }
+    MCSymbol *getCOMDATSymbol() const { return COMDATSymbol; }
     int getSelection() const { return Selection; }
-    const MCSectionCOFF *getAssocSection() const { return Assoc; }
 
-    void setSelection(int Selection,
-                      const MCSectionCOFF *Assoc = nullptr) const;
+    void setSelection(int Selection) const;
 
     void PrintSwitchToSection(const MCAsmInfo &MAI, raw_ostream &OS,
                               const MCExpr *Subsection) const override;