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Convert getNode(UNDEF) to getUNDEF.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155321 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2012-04-22 19:29:34 +00:00
parent df966f6bee
commit 767b4f64a0
1 changed files with 7 additions and 6 deletions
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13
lib/Target/X86/X86ISelLowering.cpp
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@ -75,7 +75,7 @@ static SDValue Extract128BitVector(SDValue Vec,
// Extract from UNDEF is UNDEF.
if (Vec.getOpcode() == ISD::UNDEF)
return DAG.getNode(ISD::UNDEF, dl, ResultVT);
return DAG.getUNDEF(ResultVT);
if (isa<ConstantSDNode>(Idx)) {
unsigned IdxVal = cast<ConstantSDNode>(Idx)->getZExtValue();
@ -6962,7 +6962,7 @@ X86TargetLowering::LowerSCALAR_TO_VECTOR(SDValue Op, SelectionDAG &DAG) const {
Op = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, VT128, Op.getOperand(0));
// Insert the 128-bit vector.
return Insert128BitVector(DAG.getNode(ISD::UNDEF, dl, OpVT), Op,
return Insert128BitVector(DAG.getUNDEF(OpVT), Op,
DAG.getConstant(0, MVT::i32),
DAG, dl);
}
@ -12965,16 +12965,17 @@ static SDValue PerformShuffleCombine256(SDNode *N, SelectionDAG &DAG,
if (isShuffleHigh128VectorInsertLow(SVOp)) {
SDValue V = Extract128BitVector(V1, DAG.getConstant(NumElems/2, MVT::i32),
DAG, dl);
SDValue InsV = Insert128BitVector(DAG.getNode(ISD::UNDEF, dl, VT),
V, DAG.getConstant(0, MVT::i32), DAG, dl);
SDValue InsV = Insert128BitVector(DAG.getUNDEF(VT), V,
DAG.getConstant(0, MVT::i32), DAG, dl);
return DCI.CombineTo(N, InsV);
}
// vector_shuffle <u, u, u, u, 0, 1, 2, 3> or <u, u, 0, 1>
if (isShuffleLow128VectorInsertHigh(SVOp)) {
SDValue V = Extract128BitVector(V1, DAG.getConstant(0, MVT::i32), DAG, dl);
SDValue InsV = Insert128BitVector(DAG.getNode(ISD::UNDEF, dl, VT),
V, DAG.getConstant(NumElems/2, MVT::i32), DAG, dl);
SDValue InsV = Insert128BitVector(DAG.getUNDEF(VT), V,
DAG.getConstant(NumElems/2, MVT::i32),
DAG, dl);
return DCI.CombineTo(N, InsV);
}