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Fold the useful features of alist and alist_node into ilist, and

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a new ilist_node class, and remove them. Unlike alist_node,
ilist_node doesn't attempt to manage storage itself, so it avoids
the associated problems, including being opaque in gdb.

Adjust the Recycler class so that it doesn't depend on alist_node.
Also, change it to use explicit Size and Align parameters, allowing
it to work when the largest-sized node doesn't have the greatest
alignment requirement.

Change MachineInstr's MachineMemOperand list from a pool-backed
alist to a std::list for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54146 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2008-07-28 21:51:04 +00:00
parent 80e051dfde
commit fed90b6d09
33 changed files with 340 additions and 815 deletions
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29
include/llvm/CodeGen/MachineFunction.h
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@ -18,7 +18,7 @@
#ifndef LLVM_CODEGEN_MACHINEFUNCTION_H
#define LLVM_CODEGEN_MACHINEFUNCTION_H
#include "llvm/ADT/alist.h"
#include "llvm/ADT/ilist.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/Support/Annotation.h"
#include "llvm/Support/Allocator.h"
@ -34,15 +34,18 @@ class MachineConstantPool;
class MachineJumpTableInfo;
template <>
class alist_traits<MachineBasicBlock, MachineBasicBlock> {
typedef alist_iterator<MachineBasicBlock> iterator;
class ilist_traits<MachineBasicBlock>
: public ilist_default_traits<MachineBasicBlock> {
mutable MachineBasicBlock Sentinel;
public:
MachineBasicBlock *createSentinel() const { return &Sentinel; }
void destroySentinel(MachineBasicBlock *) const {}
void addNodeToList(MachineBasicBlock* MBB);
void removeNodeFromList(MachineBasicBlock* MBB);
void transferNodesFromList(alist_traits<MachineBasicBlock> &,
iterator,
iterator) {}
void deleteNode(MachineBasicBlock *MBB);
private:
void createNode(const MachineBasicBlock &);
};
/// MachineFunctionInfo - This class can be derived from and used by targets to
@ -87,11 +90,8 @@ class MachineFunction : private Annotation {
// Allocation management for basic blocks in function.
Recycler<MachineBasicBlock> BasicBlockRecycler;
// Allocation management for memoperands in function.
Recycler<MachineMemOperand> MemOperandRecycler;
// List of machine basic blocks in function
typedef alist<MachineBasicBlock> BasicBlockListType;
typedef ilist<MachineBasicBlock> BasicBlockListType;
BasicBlockListType BasicBlocks;
public:
@ -302,15 +302,6 @@ public:
/// DeleteMachineBasicBlock - Delete the given MachineBasicBlock.
///
void DeleteMachineBasicBlock(MachineBasicBlock *MBB);
/// CreateMachineMemOperand - Allocate a new MachineMemOperand. Use this
/// instead of `new MachineMemOperand'.
///
MachineMemOperand *CreateMachineMemOperand(const MachineMemOperand &MMO);
/// DeleteMachineMemOperand - Delete the given MachineMemOperand.
///
void DeleteMachineMemOperand(MachineMemOperand *MMO);
};
//===--------------------------------------------------------------------===//