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Diffstat (limited to 'lib/VMCore/ValueSymbolTable.cpp')
-rw-r--r-- | lib/VMCore/ValueSymbolTable.cpp | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/lib/VMCore/ValueSymbolTable.cpp b/lib/VMCore/ValueSymbolTable.cpp deleted file mode 100644 index 8707daac30..0000000000 --- a/lib/VMCore/ValueSymbolTable.cpp +++ /dev/null @@ -1,117 +0,0 @@ -//===-- ValueSymbolTable.cpp - Implement the ValueSymbolTable class -------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the ValueSymbolTable class for the VMCore library. -// -//===----------------------------------------------------------------------===// - -#define DEBUG_TYPE "valuesymtab" -#include "llvm/ValueSymbolTable.h" -#include "llvm/ADT/SmallString.h" -#include "llvm/GlobalValue.h" -#include "llvm/Support/Debug.h" -#include "llvm/Support/raw_ostream.h" -#include "llvm/Type.h" -using namespace llvm; - -// Class destructor -ValueSymbolTable::~ValueSymbolTable() { -#ifndef NDEBUG // Only do this in -g mode... - for (iterator VI = vmap.begin(), VE = vmap.end(); VI != VE; ++VI) - dbgs() << "Value still in symbol table! Type = '" - << *VI->getValue()->getType() << "' Name = '" - << VI->getKeyData() << "'\n"; - assert(vmap.empty() && "Values remain in symbol table!"); -#endif -} - -// Insert a value into the symbol table with the specified name... -// -void ValueSymbolTable::reinsertValue(Value* V) { - assert(V->hasName() && "Can't insert nameless Value into symbol table"); - - // Try inserting the name, assuming it won't conflict. - if (vmap.insert(V->Name)) { - //DEBUG(dbgs() << " Inserted value: " << V->Name << ": " << *V << "\n"); - return; - } - - // Otherwise, there is a naming conflict. Rename this value. - SmallString<256> UniqueName(V->getName().begin(), V->getName().end()); - - // The name is too already used, just free it so we can allocate a new name. - V->Name->Destroy(); - - unsigned BaseSize = UniqueName.size(); - while (1) { - // Trim any suffix off and append the next number. - UniqueName.resize(BaseSize); - raw_svector_ostream(UniqueName) << ++LastUnique; - - // Try insert the vmap entry with this suffix. - ValueName &NewName = vmap.GetOrCreateValue(UniqueName); - if (NewName.getValue() == 0) { - // Newly inserted name. Success! - NewName.setValue(V); - V->Name = &NewName; - //DEBUG(dbgs() << " Inserted value: " << UniqueName << ": " << *V << "\n"); - return; - } - } -} - -void ValueSymbolTable::removeValueName(ValueName *V) { - //DEBUG(dbgs() << " Removing Value: " << V->getKeyData() << "\n"); - // Remove the value from the symbol table. - vmap.remove(V); -} - -/// createValueName - This method attempts to create a value name and insert -/// it into the symbol table with the specified name. If it conflicts, it -/// auto-renames the name and returns that instead. -ValueName *ValueSymbolTable::createValueName(StringRef Name, Value *V) { - // In the common case, the name is not already in the symbol table. - ValueName &Entry = vmap.GetOrCreateValue(Name); - if (Entry.getValue() == 0) { - Entry.setValue(V); - //DEBUG(dbgs() << " Inserted value: " << Entry.getKeyData() << ": " - // << *V << "\n"); - return &Entry; - } - - // Otherwise, there is a naming conflict. Rename this value. - SmallString<256> UniqueName(Name.begin(), Name.end()); - - while (1) { - // Trim any suffix off and append the next number. - UniqueName.resize(Name.size()); - raw_svector_ostream(UniqueName) << ++LastUnique; - - // Try insert the vmap entry with this suffix. - ValueName &NewName = vmap.GetOrCreateValue(UniqueName); - if (NewName.getValue() == 0) { - // Newly inserted name. Success! - NewName.setValue(V); - //DEBUG(dbgs() << " Inserted value: " << UniqueName << ": " << *V << "\n"); - return &NewName; - } - } -} - - -// dump - print out the symbol table -// -void ValueSymbolTable::dump() const { - //DEBUG(dbgs() << "ValueSymbolTable:\n"); - for (const_iterator I = begin(), E = end(); I != E; ++I) { - //DEBUG(dbgs() << " '" << I->getKeyData() << "' = "); - I->getValue()->dump(); - //DEBUG(dbgs() << "\n"); - } -} |