llvm-6502/lib/VMCore/Module.cpp
Chris Lattner 70cc3397f8 Implement global variable support
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@530 91177308-0d34-0410-b5e6-96231b3b80d8
2001-09-10 07:58:01 +00:00

66 lines
2.2 KiB
C++

//===-- Module.cpp - Implement the Module class ------------------*- C++ -*--=//
//
// This file implements the Module class for the VMCore library.
//
//===----------------------------------------------------------------------===//
#include "llvm/Module.h"
#include "llvm/Method.h"
#include "llvm/GlobalVariable.h"
#include "llvm/BasicBlock.h"
#include "llvm/InstrTypes.h"
#include "llvm/ValueHolderImpl.h"
#include "llvm/Support/STLExtras.h"
#include "llvm/Type.h"
// Instantiate Templates - This ugliness is the price we have to pay
// for having a DefHolderImpl.h file seperate from DefHolder.h! :(
//
template class ValueHolder<GlobalVariable, Module, Module>;
template class ValueHolder<Method, Module, Module>;
Module::Module()
: Value(Type::VoidTy, Value::ModuleVal, ""), SymTabValue(this),
GlobalList(this, this), MethodList(this, this) {
}
Module::~Module() {
dropAllReferences();
GlobalList.delete_all();
GlobalList.setParent(0);
MethodList.delete_all();
MethodList.setParent(0);
}
// dropAllReferences() - This function causes all the subinstructions to "let
// go" of all references that they are maintaining. This allows one to
// 'delete' a whole class at a time, even though there may be circular
// references... first all references are dropped, and all use counts go to
// zero. Then everything is delete'd for real. Note that no operations are
// valid on an object that has "dropped all references", except operator
// delete.
//
void Module::dropAllReferences() {
MethodListType::iterator MI = MethodList.begin();
for (; MI != MethodList.end(); ++MI)
(*MI)->dropAllReferences();
}
// reduceApply - Apply the specified function to all of the methods in this
// module. The result values are or'd together and the result is returned.
//
bool Module::reduceApply(bool (*Func)(GlobalVariable*)) {
return reduce_apply_bool(gbegin(), gend(), Func);
}
bool Module::reduceApply(bool (*Func)(const GlobalVariable*)) const {
return reduce_apply_bool(gbegin(), gend(), Func);
}
bool Module::reduceApply(bool (*Func)(Method*)) {
return reduce_apply_bool(begin(), end(), Func);
}
bool Module::reduceApply(bool (*Func)(const Method*)) const {
return reduce_apply_bool(begin(), end(), Func);
}