[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

[Chris Lattner]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

LegalizeDAG.cpp updated: 1.2 -> 1.3
---
Log message:

After legalizing a DAG, delete dead nodes to save space.


---
Diffs of the changes:  (+1 -6)

Index: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.2 llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.3
--- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.2	Fri Jan  7 02:19:42 2005
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp	Fri Jan  7 15:09:37 2005
@@ -167,7 +167,6 @@
     setValueTypeAction(MVT::f32, Promote);
 }
 
-
 void SelectionDAGLegalize::LegalizeDAG() {
   SDOperand OldRoot = DAG.getRoot();
   SDOperand NewRoot = LegalizeOp(OldRoot);
@@ -177,11 +176,7 @@
   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) {