6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-04-03 18:32:50 +00:00
Code Issues Projects Releases Wiki Activity

Actually recycle SDNode allocations. SelectionDAG is using

Browse Source 
RecyclingAllocator, but this change is needed for the nodes
to actually be recycled. This cuts SelectionDAG's memory
usage high-water-mark in half in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55351 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-08-26 01:44:34 +00:00
parent b6e3d6ce70
commit 1146728bfa
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -523,7 +523,7 @@ void SelectionDAG::RemoveDeadNodes(SmallVectorImpl<SDNode *> &DeadNodes,
N->NumOperands = 0;
// Finally, remove N itself.
AllNodes.remove(N);
NodeAllocator.Deallocate(AllNodes.remove(N));
}
}
@ -551,7 +551,8 @@ void SelectionDAG::DeleteNodeNotInCSEMaps(SDNode *N) {
if (N->OperandsNeedDelete)
delete[] N->OperandList;
AllNodes.remove(N);
assert(N != AllNodes.begin());
NodeAllocator.Deallocate(AllNodes.remove(N));
}
/// RemoveNodeFromCSEMaps - Take the specified node out of the CSE map that
@ -777,11 +778,14 @@ SelectionDAG::~SelectionDAG() {
}
void SelectionDAG::allnodes_clear() {
assert(&*AllNodes.begin() == &EntryNode);
AllNodes.remove(AllNodes.begin());
while (!AllNodes.empty()) {
SDNode *N = AllNodes.remove(AllNodes.begin());
N->SetNextInBucket(0);
if (N->OperandsNeedDelete)
delete [] N->OperandList;
NodeAllocator.Deallocate(N);
}
}