[llvm-commits] CVS: llvm/lib/Target/X86/X86ISelPattern.cpp

[Chris Lattner]

Changes in directory llvm/lib/Target/X86:

X86ISelPattern.cpp updated: 1.85 -> 1.86
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Log message:

Speed up folding operations into loads.


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Diffs of the changes:  (+2 -1)

Index: llvm/lib/Target/X86/X86ISelPattern.cpp
diff -u llvm/lib/Target/X86/X86ISelPattern.cpp:1.85 llvm/lib/Target/X86/X86ISelPattern.cpp:1.86
--- llvm/lib/Target/X86/X86ISelPattern.cpp:1.85	Fri Jan 21 15:35:14 2005
+++ llvm/lib/Target/X86/X86ISelPattern.cpp	Fri Jan 21 15:43:02 2005
@@ -504,7 +504,8 @@
                                       std::set<SDNode*> &Visited) {
   if (N == Op) return true;                        // Found it.
   SDNode *Node = N.Val;
-  if (Node->getNumOperands() == 0) return false;   // Leaf?
+  if (Node->getNumOperands() == 0 ||      // Leaf?
+      Node->getNodeDepth() <= Op.getNodeDepth()) return false; // Can't find it?
   if (!Visited.insert(Node).second) return false;  // Already visited?
 
   // Recurse for the first N-1 operands.