diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 308150fe54..418a4d4ff0 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -103,9 +103,8 @@ public: void LegalizeDAG(); private: - /// LegalizeOp - We know that the specified value has a legal type. - /// Recursively ensure that the operands have legal types, then return the - /// result. + /// LegalizeOp - Return a legal replacement for the given operation, with + /// all legal operands. SDValue LegalizeOp(SDValue O); SDValue OptimizeFloatStore(StoreSDNode *ST); @@ -794,10 +793,8 @@ SDValue SelectionDAGLegalize::OptimizeFloatStore(StoreSDNode* ST) { return SDValue(0, 0); } -/// LegalizeOp - We know that the specified value has a legal type, and -/// that its operands are legal. Now ensure that the operation itself -/// is legal, recursively ensuring that the operands' operations remain -/// legal. +/// LegalizeOp - Return a legal replacement for the given operation, with +/// all legal operands. SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) { if (Op.getOpcode() == ISD::TargetConstant) // Allow illegal target nodes. return Op; |