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no need to override IsLegalToFold, the base implementation

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disables load folding at -O0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96973 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-02-23 19:33:11 +00:00
parent da244a091d
commit 652b7e488d
1 changed files with 0 additions and 10 deletions
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10
lib/Target/X86/X86ISelDAGToDAG.cpp
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@ -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.