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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.

llvm-svn: 54146
This commit is contained in:
Dan Gohman
2008-07-28 21:51:04 +00:00
parent 813bf7af7f
commit 804c95df52
33 changed files with 340 additions and 815 deletions
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20
llvm/lib/CodeGen/MachineFunction.cpp
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@@ -102,7 +102,7 @@ FunctionPass *llvm::createMachineCodeDeleter() {
// MachineFunction implementation
//===---------------------------------------------------------------------===//
void alist_traits<MachineBasicBlock>::deleteNode(MachineBasicBlock *MBB) {
void ilist_traits<MachineBasicBlock>::deleteNode(MachineBasicBlock *MBB) {
MBB->getParent()->DeleteMachineBasicBlock(MBB);
}
@@ -131,7 +131,6 @@ MachineFunction::~MachineFunction() {
BasicBlocks.clear();
InstructionRecycler.clear(Allocator);
BasicBlockRecycler.clear(Allocator);
MemOperandRecycler.clear(Allocator);
RegInfo->~MachineRegisterInfo(); Allocator.Deallocate(RegInfo);
if (MFInfo) {
MFInfo->~MachineFunctionInfo(); Allocator.Deallocate(MFInfo);
@@ -234,23 +233,6 @@ MachineFunction::DeleteMachineBasicBlock(MachineBasicBlock *MBB) {
BasicBlockRecycler.Deallocate(Allocator, MBB);
}
/// CreateMachineMemOperand - Allocate a new MachineMemOperand. Use this
/// instead of `new MachineMemOperand'.
///
MachineMemOperand *
MachineFunction::CreateMachineMemOperand(const MachineMemOperand &MMO) {
return new (MemOperandRecycler.Allocate<MachineMemOperand>(Allocator))
MachineMemOperand(MMO);
}
/// DeleteMachineMemOperand - Delete the given MachineMemOperand.
///
void
MachineFunction::DeleteMachineMemOperand(MachineMemOperand *MO) {
MO->~MachineMemOperand();
MemOperandRecycler.Deallocate(Allocator, MO);
}
void MachineFunction::dump() const {
print(*cerr.stream());
}