diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 99d2aada41..a48a6256e5 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -1825,7 +1825,7 @@ void SelectionDAG::ComputeMaskedBits(SDValue Op, APInt &KnownZero, KnownZero |= APInt::getHighBitsSet(BitWidth, BitWidth - 1); return; case ISD::SHL: - // (shl X, C1) & C2 == 0 if (X & C2 >>u C1) == 0 + // (shl X, C1) & C2 == 0 iff (X & C2 >>u C1) == 0 if (ConstantSDNode *SA = dyn_cast<ConstantSDNode>(Op.getOperand(1))) { unsigned ShAmt = SA->getZExtValue(); @@ -1842,7 +1842,7 @@ void SelectionDAG::ComputeMaskedBits(SDValue Op, APInt &KnownZero, } return; case ISD::SRL: - // (ushr X, C1) & C2 == 0 if (-1 >> C1) & C2 == 0 + // (ushr X, C1) & C2 == 0 iff (-1 >> C1) & C2 == 0 if (ConstantSDNode *SA = dyn_cast<ConstantSDNode>(Op.getOperand(1))) { unsigned ShAmt = SA->getZExtValue(); @@ -2356,7 +2356,7 @@ unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, unsigned Depth) const{ /// ISD::ADD with a ConstantSDNode on the right-hand side, or if it is an /// ISD::OR with a ConstantSDNode that is guaranteed to have the same /// semantics as an ADD. This handles the equivalence: -/// X|Cst == X+Cst if X&Cst = 0. +/// X|Cst == X+Cst iff X&Cst = 0. bool SelectionDAG::isBaseWithConstantOffset(SDValue Op) const { if ((Op.getOpcode() != ISD::ADD && Op.getOpcode() != ISD::OR) || !isa<ConstantSDNode>(Op.getOperand(1))) @@ -2882,7 +2882,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, EVT VT, assert(VT.isFloatingPoint() && EVT.isFloatingPoint() && "Cannot FP_ROUND_INREG integer types"); assert(EVT.isVector() == VT.isVector() && - "FP_ROUND_INREG type should be vector if the operand " + "FP_ROUND_INREG type should be vector iff the operand " "type is vector!"); assert((!EVT.isVector() || EVT.getVectorNumElements() == VT.getVectorNumElements()) && @@ -2918,7 +2918,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, EVT VT, assert(VT.isInteger() && EVT.isInteger() && "Cannot *_EXTEND_INREG FP types"); assert(EVT.isVector() == VT.isVector() && - "SIGN_EXTEND_INREG type should be vector if the operand " + "SIGN_EXTEND_INREG type should be vector iff the operand " "type is vector!"); assert((!EVT.isVector() || EVT.getVectorNumElements() == VT.getVectorNumElements()) && |