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invert check for less indentation; use local vars to reduce duplication; NFC 

llvm-svn: 227355
This commit is contained in:
Sanjay Patel 2015-01-28 19:44:21 +00:00
parent d2ef30feed
commit 4058dd9f3f
1 changed files with 21 additions and 20 deletions
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41
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -13197,27 +13197,28 @@ static SDValue LowerEXTRACT_SUBVECTOR(SDValue Op, const X86Subtarget *Subtarget,
// the upper bits of a vector.
static SDValue LowerINSERT_SUBVECTOR(SDValue Op, const X86Subtarget *Subtarget,
SelectionDAG &DAG) {
if (Subtarget->hasFp256()) {
SDLoc dl(Op);
SDValue Vec = Op.getOperand(0);
SDValue SubVec = Op.getOperand(1);
SDValue Idx = Op.getOperand(2);
if ((Op.getSimpleValueType().is256BitVector() ||
Op.getSimpleValueType().is512BitVector()) &&
SubVec.getSimpleValueType().is128BitVector() &&
isa<ConstantSDNode>(Idx)) {
unsigned IdxVal = cast<ConstantSDNode>(Idx)->getZExtValue();
return Insert128BitVector(Vec, SubVec, IdxVal, DAG, dl);
}
if (Op.getSimpleValueType().is512BitVector() &&
SubVec.getSimpleValueType().is256BitVector() &&
isa<ConstantSDNode>(Idx)) {
unsigned IdxVal = cast<ConstantSDNode>(Idx)->getZExtValue();
return Insert256BitVector(Vec, SubVec, IdxVal, DAG, dl);
}
if (!Subtarget->hasAVX())
return SDValue();
SDLoc dl(Op);
SDValue Vec = Op.getOperand(0);
SDValue SubVec = Op.getOperand(1);
SDValue Idx = Op.getOperand(2);
MVT OpVT = Op.getSimpleValueType();
MVT SubVecVT = SubVec.getSimpleValueType();
if ((OpVT.is256BitVector() || OpVT.is512BitVector()) &&
SubVecVT.is128BitVector() && isa<ConstantSDNode>(Idx)) {
unsigned IdxVal = cast<ConstantSDNode>(Idx)->getZExtValue();
return Insert128BitVector(Vec, SubVec, IdxVal, DAG, dl);
}
if (OpVT.is512BitVector() &&
SubVecVT.is256BitVector() && isa<ConstantSDNode>(Idx)) {
unsigned IdxVal = cast<ConstantSDNode>(Idx)->getZExtValue();
return Insert256BitVector(Vec, SubVec, IdxVal, DAG, dl);
}
return SDValue();
}