no need to override IsLegalToFold, the base implementation

disables load folding at -O0.

llvm-svn: 96973

1 files changed, 0 insertions, 10 deletions

diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
index b6e86bdce76..b337e61af12 100644
--- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -185,8 +185,6 @@ namespace {
 
     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 @@ X86DAGToDAGISel::IsProfitableToFold(SDValue N, SDNode *U, SDNode *Root) const {
   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.