[llvm-commits] CVS: llvm/include/llvm/Analysis/Dominators.h

[Nick Lewycky]

Changes in directory llvm/include/llvm/Analysis:

Dominators.h updated: 1.59 -> 1.60
---
Log message:

Add ability to remove nodes from DominatorTree, for when a BasicBlock
is being removed.


---
Diffs of the changes:  (+8 -0)

 Dominators.h |    8 ++++++++
 1 files changed, 8 insertions(+)


Index: llvm/include/llvm/Analysis/Dominators.h
diff -u llvm/include/llvm/Analysis/Dominators.h:1.59 llvm/include/llvm/Analysis/Dominators.h:1.60
--- llvm/include/llvm/Analysis/Dominators.h:1.59	Tue Aug  1 17:24:38 2006
+++ llvm/include/llvm/Analysis/Dominators.h	Mon Sep 11 19:18:28 2006
@@ -399,6 +399,14 @@
     N->setIDom(NewIDom);
   }
 
+  /// removeNode - Removes a node from the dominator tree.  Block must not
+  /// dominate any other blocks.  Invalidates any node pointing to removed
+  /// block.
+  void removeNode(BasicBlock *BB) {
+    assert(getNode(BB) && "Removing node that isn't in dominator tree.");
+    Nodes.erase(BB);
+  }
+
   /// print - Convert to human readable form
   ///
   virtual void print(std::ostream &OS, const Module* = 0) const;