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author | Reid Spencer <rspencer@reidspencer.com> | 2004-05-30 00:09:32 +0000 |
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committer | Reid Spencer <rspencer@reidspencer.com> | 2004-05-30 00:09:32 +0000 |
commit | 3c82aa3623fc047a90502058988f83cdf1f10edb (patch) | |
tree | 507e48d40903f15b43a82f3b1b13b2bd1a1ba062 /lib/Support | |
parent | 84d404b0ed0977cb35e961070a76f6d194327965 (diff) | |
download | external_llvm-3c82aa3623fc047a90502058988f83cdf1f10edb.zip external_llvm-3c82aa3623fc047a90502058988f83cdf1f10edb.tar.gz external_llvm-3c82aa3623fc047a90502058988f83cdf1f10edb.tar.bz2 |
Moved this file to lib/Bytecode/Writer because its used there only.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13900 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support')
-rw-r--r-- | lib/Support/SlotTable.cpp | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/lib/Support/SlotTable.cpp b/lib/Support/SlotTable.cpp deleted file mode 100644 index 2573e2c..0000000 --- a/lib/Support/SlotTable.cpp +++ /dev/null @@ -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 |