MC: Eliminate MCFragment vtable, which was unnecessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104689 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/MC/MCAssembler.h b/include/llvm/MC/MCAssembler.h
index 6b0cacfb68516a400cc59afe2c050287e5ee5f00..7b2ce9c6f58f341b389fc5916fffd0e6141955c1 100644 (file)
--- a/include/llvm/MC/MCAssembler.h
+++ b/include/llvm/MC/MCAssembler.h
@@ -108,7 +108,6 @@ protected:
 public:
   // Only for sentinel.
   MCFragment();
-  virtual ~MCFragment();
 
   FragmentType getKind() const { return Kind; }
 
@@ -123,7 +122,7 @@ public:
 
   static bool classof(const MCFragment *O) { return true; }
 
-  virtual void dump();
+  void dump();
 };
 
 class MCDataFragment : public MCFragment {
@@ -173,8 +172,6 @@ public:
     return F->getKind() == MCFragment::FT_Data;
   }
   static bool classof(const MCDataFragment *) { return true; }
-
-  virtual void dump();
 };
 
 // FIXME: This current incarnation of MCInstFragment doesn't make much sense, as
@@ -235,8 +232,6 @@ public:
     return F->getKind() == MCFragment::FT_Inst;
   }
   static bool classof(const MCInstFragment *) { return true; }
-
-  virtual void dump();
 };
 
 class MCAlignFragment : public MCFragment {
@@ -295,8 +290,6 @@ public:
     return F->getKind() == MCFragment::FT_Align;
   }
   static bool classof(const MCAlignFragment *) { return true; }
-
-  virtual void dump();
 };
 
 class MCFillFragment : public MCFragment {
@@ -334,8 +327,6 @@ public:
     return F->getKind() == MCFragment::FT_Fill;
   }
   static bool classof(const MCFillFragment *) { return true; }
-
-  virtual void dump();
 };
 
 class MCOrgFragment : public MCFragment {
@@ -363,8 +354,6 @@ public:
     return F->getKind() == MCFragment::FT_Org;
   }
   static bool classof(const MCOrgFragment *) { return true; }
-
-  virtual void dump();
 };
 
 // FIXME: Should this be a separate class, or just merged into MCSection? Since

diff --git a/lib/MC/MCAssembler.cpp b/lib/MC/MCAssembler.cpp
index 199944d5d2510a69d54bd8ace066403c1310f51c..02b4a8d3c9dcf9d20c3986a31076a69875731d98 100644 (file)
--- a/lib/MC/MCAssembler.cpp
+++ b/lib/MC/MCAssembler.cpp
@@ -185,9 +185,6 @@ MCFragment::MCFragment(FragmentType _Kind, MCSectionData *_Parent)
     Parent->getFragmentList().push_back(this);
 }
 
-MCFragment::~MCFragment() {
-}
-
 /* *** */
 
 MCSectionData::MCSectionData() : Section(0) {}
@@ -918,81 +915,77 @@ raw_ostream &operator<<(raw_ostream &OS, const MCAsmFixup &AF) {
 void MCFragment::dump() {
   raw_ostream &OS = llvm::errs();
 
+  OS << "<";
+  switch (getKind()) {
+  case MCFragment::FT_Align: OS << "MCAlignFragment"; break;
+  case MCFragment::FT_Data:  OS << "MCDataFragment"; break;
+  case MCFragment::FT_Fill:  OS << "MCFillFragment"; break;
+  case MCFragment::FT_Inst:  OS << "MCInstFragment"; break;
+  case MCFragment::FT_Org:   OS << "MCOrgFragment"; break;
+  }
+
   OS << "<MCFragment " << (void*) this << " LayoutOrder:" << LayoutOrder
      << " Offset:" << Offset << " EffectiveSize:" << EffectiveSize << ">";
-}
 
-void MCAlignFragment::dump() {
-  raw_ostream &OS = llvm::errs();
-
-  OS << "<MCAlignFragment ";
-  this->MCFragment::dump();
-  if (hasEmitNops())
-    OS << " (emit nops)";
-  if (hasOnlyAlignAddress())
-    OS << " (only align section)";
-  OS << "\n       ";
-  OS << " Alignment:" << getAlignment()
-     << " Value:" << getValue() << " ValueSize:" << getValueSize()
-     << " MaxBytesToEmit:" << getMaxBytesToEmit() << ">";
-}
-
-void MCDataFragment::dump() {
-  raw_ostream &OS = llvm::errs();
-
-  OS << "<MCDataFragment ";
-  this->MCFragment::dump();
-  OS << "\n       ";
-  OS << " Contents:[";
-  for (unsigned i = 0, e = getContents().size(); i != e; ++i) {
-    if (i) OS << ",";
-    OS << hexdigit((Contents[i] >> 4) & 0xF) << hexdigit(Contents[i] & 0xF);
+  switch (getKind()) {
+  case MCFragment::FT_Align: {
+    const MCAlignFragment *AF = cast<MCAlignFragment>(this);
+    if (AF->hasEmitNops())
+      OS << " (emit nops)";
+    if (AF->hasOnlyAlignAddress())
+      OS << " (only align section)";
+    OS << "\n       ";
+    OS << " Alignment:" << AF->getAlignment()
+       << " Value:" << AF->getValue() << " ValueSize:" << AF->getValueSize()
+       << " MaxBytesToEmit:" << AF->getMaxBytesToEmit() << ">";
+    break;
   }
-  OS << "] (" << getContents().size() << " bytes)";
-
-  if (!getFixups().empty()) {
-    OS << ",\n       ";
-    OS << " Fixups:[";
-    for (fixup_iterator it = fixup_begin(), ie = fixup_end(); it != ie; ++it) {
-      if (it != fixup_begin()) OS << ",\n                ";
-      OS << *it;
+  case MCFragment::FT_Data:  {
+    const MCDataFragment *DF = cast<MCDataFragment>(this);
+    OS << "\n       ";
+    OS << " Contents:[";
+    const SmallVectorImpl<char> &Contents = DF->getContents();
+    for (unsigned i = 0, e = Contents.size(); i != e; ++i) {
+      if (i) OS << ",";
+      OS << hexdigit((Contents[i] >> 4) & 0xF) << hexdigit(Contents[i] & 0xF);
+    }
+    OS << "] (" << Contents.size() << " bytes)";
+
+    if (!DF->getFixups().empty()) {
+      OS << ",\n       ";
+      OS << " Fixups:[";
+      for (MCDataFragment::const_fixup_iterator it = DF->fixup_begin(),
+             ie = DF->fixup_end(); it != ie; ++it) {
+        if (it != DF->fixup_begin()) OS << ",\n                ";
+        OS << *it;
+      }
+      OS << "]";
     }
-    OS << "]";
+    break;
+  }
+  case MCFragment::FT_Fill:  {
+    const MCFillFragment *FF = cast<MCFillFragment>(this);
+    OS << " Value:" << FF->getValue() << " ValueSize:" << FF->getValueSize()
+       << " Size:" << FF->getSize();
+    break;
+  }
+  case MCFragment::FT_Inst:  {
+    const MCInstFragment *IF = cast<MCInstFragment>(this);
+    OS << "\n       ";
+    OS << " Inst:";
+    IF->getInst().dump_pretty(OS);
+    break;
+  }
+  case MCFragment::FT_Org:  {
+    const MCOrgFragment *OF = cast<MCOrgFragment>(this);
+    OS << "\n       ";
+    OS << " Offset:" << OF->getOffset() << " Value:" << OF->getValue();
+    break;
+  }
   }
-
-  OS << ">";
-}
-
-void MCFillFragment::dump() {
-  raw_ostream &OS = llvm::errs();
-
-  OS << "<MCFillFragment ";
-  this->MCFragment::dump();
-  OS << "\n       ";
-  OS << " Value:" << getValue() << " ValueSize:" << getValueSize()
-     << " Size:" << getSize() << ">";
-}
-
-void MCInstFragment::dump() {
-  raw_ostream &OS = llvm::errs();
-
-  OS << "<MCInstFragment ";
-  this->MCFragment::dump();
-  OS << "\n       ";
-  OS << " Inst:";
-  getInst().dump_pretty(OS);
   OS << ">";
 }
 
-void MCOrgFragment::dump() {
-  raw_ostream &OS = llvm::errs();
-
-  OS << "<MCOrgFragment ";
-  this->MCFragment::dump();
-  OS << "\n       ";
-  OS << " Offset:" << getOffset() << " Value:" << getValue() << ">";
-}
-
 void MCSectionData::dump() {
   raw_ostream &OS = llvm::errs();