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| author | Chris Lattner <sabre@nondot.org> | 2005-01-07 21:09:37 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-01-07 21:09:37 +0000 |
| commit | 473825ccec5da6b1cf02b1066fd95b6d738a8e40 (patch) | |
| tree | 70bb2a85ce285fc1ee378087dce944e1d75f462b /llvm/lib | |
| parent | 9c667933c1f228fdf2b8d9f21633b38cad7754b3 (diff) | |
| download | bcm5719-llvm-473825ccec5da6b1cf02b1066fd95b6d738a8e40.tar.gz bcm5719-llvm-473825ccec5da6b1cf02b1066fd95b6d738a8e40.zip | |
After legalizing a DAG, delete dead nodes to save space.
llvm-svn: 19346
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index c8369aa1c61..a3a758f0aad 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -167,7 +167,6 @@ SelectionDAGLegalize::SelectionDAGLegalize(TargetLowering &tli, setValueTypeAction(MVT::f32, Promote); } - void SelectionDAGLegalize::LegalizeDAG() { SDOperand OldRoot = DAG.getRoot(); SDOperand NewRoot = LegalizeOp(OldRoot); @@ -177,11 +176,7 @@ void SelectionDAGLegalize::LegalizeDAG() { LegalizedNodes.clear(); // Remove dead nodes now. - if (OldRoot != NewRoot) - // Delete all of these efficiently first. - ; - - // Then scan AllNodes. + DAG.RemoveDeadNodes(OldRoot.Val); } SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { |
