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zap unused method. x86 is the only user and already has a more powerfull version

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llvm-svn: 112571
This commit is contained in:
Bruno Cardoso Lopes 2010-08-31 02:36:20 +00:00
parent 08d5d62dcb
commit ebe80d78ff
2 changed files with 0 additions and 33 deletions
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4
include/llvm/CodeGen/SelectionDAG.h
View File

@ -977,10 +977,6 @@ public:
/// been verified as a debug information descriptor.
bool isVerifiedDebugInfoDesc(SDValue Op) const;
/// getShuffleScalarElt - Returns the scalar element that will make up the ith
/// element of the result of the vector shuffle.
SDValue getShuffleScalarElt(const ShuffleVectorSDNode *N, unsigned Idx);
/// UnrollVectorOp - Utility function used by legalize and lowering to
/// "unroll" a vector operation by splitting out the scalars and operating
/// on each element individually. If the ResNE is 0, fully unroll the vector

29
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -2281,35 +2281,6 @@ bool SelectionDAG::isVerifiedDebugInfoDesc(SDValue Op) const {
}
/// getShuffleScalarElt - Returns the scalar element that will make up the ith
/// element of the result of the vector shuffle.
SDValue SelectionDAG::getShuffleScalarElt(const ShuffleVectorSDNode *N,
unsigned i) {
EVT VT = N->getValueType(0);
if (N->getMaskElt(i) < 0)
return getUNDEF(VT.getVectorElementType());
unsigned Index = N->getMaskElt(i);
unsigned NumElems = VT.getVectorNumElements();
SDValue V = (Index < NumElems) ? N->getOperand(0) : N->getOperand(1);
Index %= NumElems;
if (V.getOpcode() == ISD::BIT_CONVERT) {
V = V.getOperand(0);
EVT VVT = V.getValueType();
if (!VVT.isVector() || VVT.getVectorNumElements() != (unsigned)NumElems)
return SDValue();
}
if (V.getOpcode() == ISD::SCALAR_TO_VECTOR)
return (Index == 0) ? V.getOperand(0)
: getUNDEF(VT.getVectorElementType());
if (V.getOpcode() == ISD::BUILD_VECTOR)
return V.getOperand(Index);
if (const ShuffleVectorSDNode *SVN = dyn_cast<ShuffleVectorSDNode>(V))
return getShuffleScalarElt(SVN, Index);
return SDValue();
}
/// getNode - Gets or creates the specified node.
///
SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, EVT VT) {