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| author | Chris Lattner <sabre@nondot.org> | 2005-11-09 23:47:37 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-11-09 23:47:37 +0000 |
| commit | de202b3cda00f17ba2c047be7270b51f9585a413 (patch) | |
| tree | 8604a0187eb4225388ab6294c1e8e4e1d1afb6e4 /lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | b80e2be8894db9f843f32ebaffb9b7fd6b57d206 (diff) | |
Switch the allnodes list from a vector of pointers to an ilist of nodes.This eliminates the vector, allows constant time removal of a node froma graph, and makes iteration over the all nodes list stable when adding
nodes to the graph.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24263 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 2eca87c730..ca137431a0 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -514,7 +514,9 @@ void DAGCombiner::Run(bool RunningAfterLegalize) { AfterLegalize = RunningAfterLegalize; // Add all the dag nodes to the worklist. - WorkList.insert(WorkList.end(), DAG.allnodes_begin(), DAG.allnodes_end()); + for (SelectionDAG::allnodes_iterator I = DAG.allnodes_begin(), + E = DAG.allnodes_end(); I != E; ++I) + WorkList.push_back(I); // Create a dummy node (which is not added to allnodes), that adds a reference // to the root node, preventing it from being deleted, and tracking any |