Moved this file to lib/Bytecode/Writer because its used there only.

llvm-svn: 13900

llvm/lib/Support/SlotTable.cpp

@@ -1,116 +0,0 @@
-//===-- SlotTable.cpp - Abstract data type for slot numbers ---------------===//
-// 
-//                     The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
-//===----------------------------------------------------------------------===//
-//
-// This file implements an abstract data type for keeping track of slot numbers 
-// for bytecode and assembly writing or any other purpose. 
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Internal/SlotTable.h"
-#include "llvm/Constants.h"
-#include "llvm/Type.h"
-#include "llvm/GlobalValue.h"
-
-using namespace llvm;
-
-//===----------------------------------------------------------------------===//
-//                            SlotTable Implementation
-//===----------------------------------------------------------------------===//
-
-SlotTable::SlotTable( bool dont_insert_primitives ) {
-  if ( ! dont_insert_primitives ) 
-    this->insertPrimitives();
-}
-
-// empty - determine if the slot table is completely empty.
-bool SlotTable::empty() const {
-  return vTable.empty() && vMap.empty() && tPlane.empty() && tMap.empty();
-}
-
-// getSlot - get the slot number associated with value Val
-SlotTable::SlotNum SlotTable::getSlot(const Value* Val) const {
-  ValueMap::const_iterator I = vMap.find( Val );
-  if ( I != vMap.end() )
-    return I->second;
-
-  // Do not number ConstantPointerRef's at all.  They are an abomination.
-  if (const ConstantPointerRef *CPR = dyn_cast<ConstantPointerRef>(Val))
-    return this->getSlot(CPR->getValue());
-
-  return BAD_SLOT;
-}
-
-// getSlot - get the slot number associated with type Typ
-SlotTable::SlotNum SlotTable::getSlot(const Type* Typ) const {
-  TypeMap::const_iterator I = tMap.find( Typ );
-  if ( I != tMap.end() )
-    return I->second;
-
-  return BAD_SLOT;
-}
-
-// clear - completely clear the slot table of all entries
-void SlotTable::clear() {
-  vTable.clear();
-  vMap.clear();
-  tPlane.clear();
-  tMap.clear();
-}
-
-// resize - make sure there's enough room for specific number of planes
-void SlotTable::resize( size_t new_size ) {
-  vTable.resize( new_size );
-}
-
-// insert - insert a Value into a specific plane
-SlotTable::SlotNum SlotTable::insert( const Value* Val, PlaneNum plane ) {
-  if ( vTable.size() <= plane ) // Make sure we have the type plane allocated
-    vTable.resize(plane+1, ValuePlane());
-
-  // Insert node into table and map
-  SlotNum DestSlot = vMap[Val] = vTable[plane].size();
-  vTable[plane].push_back(Val);
-  return DestSlot;
-}
-
-// insert - insert a type 
-SlotTable::SlotNum SlotTable::insert( const Type* Typ ) {
-  // Insert node into table and map making sure that
-  // the same type isn't inserted twice.
-  assert(tMap.find(Typ) == tMap.end() && "Can't insert a Type multiple times");
-  SlotNum DestSlot = tMap[Typ] = tPlane.size();
-  tPlane.push_back(Typ);
-  return DestSlot;
-}
-
-// remove - remove a value from the slot table
-SlotTable::SlotNum SlotTable::remove( const Value* Val, PlaneNum plane ) {
-  // FIXME: not implemented - not sure we need it
-  return BAD_SLOT;
-}
-
-// remove - remove a type from the slot table
-SlotTable::SlotNum SlotTable::remove( const Type* Typ ) {
-  // FIXME: not implemented - not sure we need it
-  return BAD_SLOT;
-}
-
-// insertPrimitives - insert the primitive types for initialization
-// Make sure that all of the primitive types are in the table
-// and that their Primitive ID is equal to their slot #
-void SlotTable::insertPrimitives() {
-  for (PlaneNum plane = 0; plane < Type::FirstDerivedTyID; ++plane) {
-    const Type* Ty = Type::getPrimitiveType((Type::PrimitiveID) plane);
-    assert(Ty && "Couldn't get primitive type id");
-    SlotNum slot = this->insert(Ty);
-    assert(slot == plane && "Type slot didn't match plane number");
-  }
-}
-
-// vim: sw=2