[llvm-commits] [llvm] r96973 - /llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp

Chris Lattner sabre at nondot.org
Tue Feb 23 11:33:11 PST 2010


Author: lattner
Date: Tue Feb 23 13:33:11 2010
New Revision: 96973

URL: http://llvm.org/viewvc/llvm-project?rev=96973&view=rev
Log:
no need to override IsLegalToFold, the base implementation
disables load folding at -O0.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp?rev=96973&r1=96972&r2=96973&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp Tue Feb 23 13:33:11 2010
@@ -185,8 +185,6 @@
 
     virtual bool IsProfitableToFold(SDValue N, SDNode *U, SDNode *Root) const;
 
-    virtual bool IsLegalToFold(SDValue N, SDNode *U, SDNode *Root) const;
-
 // Include the pieces autogenerated from the target description.
 #include "X86GenDAGISel.inc"
 
@@ -382,14 +380,6 @@
   return true;
 }
 
-
-bool X86DAGToDAGISel::IsLegalToFold(SDValue N, SDNode *U, SDNode *Root) const {
-  if (OptLevel == CodeGenOpt::None) return false;
-
-  // Proceed to 'generic' cycle finder code
-  return SelectionDAGISel::IsLegalToFold(N, U, Root);
-}
-
 /// MoveBelowTokenFactor - Replace TokenFactor operand with load's chain operand
 /// and move load below the TokenFactor. Replace store's chain operand with
 /// load's chain result.





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