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* Incorporate the functionality of SymTabValue into Function

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* s/Method/Function


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2343 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-04-28 04:44:40 +00:00
parent 89bf005646
commit 8c310c7548
1 changed files with 31 additions and 8 deletions
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39
include/llvm/Function.h
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@ -3,21 +3,21 @@
// This file contains the declaration of the Function class, which represents a
// single function/procedure in the VM.
//
// Note that basic blocks in the method are value's, because they are referenced
// by instructions like calls and can go into virtual function tables and stuff.
// Note that BasicBlock's in the Function are Value's, because they are
// referenced by instructions like calls and can go into virtual function tables
// and stuff.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_FUNCTION_H
#define LLVM_FUNCTION_H
#include "llvm/SymTabValue.h"
#include "llvm/GlobalValue.h"
#include "llvm/ValueHolder.h"
class FunctionType;
class Function : public GlobalValue, public SymTabValue {
class Function : public GlobalValue {
public:
typedef ValueHolder<Argument , Function, Function> ArgumentListType;
typedef ValueHolder<BasicBlock, Function, Function> BasicBlocksType;
@ -30,9 +30,11 @@ public:
private:
// Important things that make up a method!
// Important things that make up a function!
BasicBlocksType BasicBlocks; // The basic blocks
ArgumentListType ArgumentList; // The formal arguments
SymbolTable *SymTab, *ParentSymTab;
friend class ValueHolder<Function, Module, Module>;
void setParent(Module *parent);
@ -47,12 +49,12 @@ public:
const Type *getReturnType() const; // Return the type of the ret val
const FunctionType *getFunctionType() const; // Return the FunctionType for me
// Is the body of this method unknown? (the basic block list is empty if so)
// this is true for external methods, defined as forward "declare"ations
// Is the body of this function unknown? (the basic block list is empty if so)
// this is true for external functions, defined as forward "declare"ations
bool isExternal() const { return BasicBlocks.empty(); }
// Get the underlying elements of the Function... both the argument list and
// basic block list are empty for external methods.
// basic block list are empty for external functions.
//
inline const ArgumentListType &getArgumentList() const{ return ArgumentList; }
inline ArgumentListType &getArgumentList() { return ArgumentList; }
@ -62,6 +64,27 @@ public:
inline const BasicBlock *getEntryNode() const { return front(); }
inline BasicBlock *getEntryNode() { return front(); }
//===--------------------------------------------------------------------===//
// Symbol Table Accessing functions...
// hasSymbolTable() - Returns true if there is a symbol table allocated to
// this object AND if there is at least one name in it!
//
bool hasSymbolTable() const;
// CAUTION: The current symbol table may be null if there are no names (ie,
// the symbol table is empty)
//
inline SymbolTable *getSymbolTable() { return SymTab; }
inline const SymbolTable *getSymbolTable() const { return SymTab; }
// getSymbolTableSure is guaranteed to not return a null pointer, because if
// the function does not already have a symtab, one is created. Use this if
// you intend to put something into the symbol table for the function.
//
SymbolTable *getSymbolTableSure(); // Implemented in Value.cpp
//===--------------------------------------------------------------------===//
// BasicBlock iterator forwarding functions