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author | Juergen Ributzka <juergen@apple.com> | 2013-11-19 21:20:17 +0000 |
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committer | Juergen Ributzka <juergen@apple.com> | 2013-11-19 21:20:17 +0000 |
commit | 217baac7748389fcd7abd41d66d4964f0236e6d7 (patch) | |
tree | 14d51205c8ca70b4ab833cad2ca2c366c5d4b49b /lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp | |
parent | edeaa6454ef1dc29fa3144b93e2121495b160b35 (diff) | |
download | llvm-217baac7748389fcd7abd41d66d4964f0236e6d7.tar.gz llvm-217baac7748389fcd7abd41d66d4964f0236e6d7.tar.bz2 llvm-217baac7748389fcd7abd41d66d4964f0236e6d7.tar.xz |
[DAG] Refactor vector splitting code in SelectionDAG. No functional change intended.
Reviewed by Tom
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195156 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp b/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp index f1b06fcd98..9e97c49ddf 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp @@ -77,13 +77,9 @@ void DAGTypeLegalizer::ExpandRes_BITCAST(SDNode *N, SDValue &Lo, SDValue &Hi) { case TargetLowering::TypeWidenVector: { assert(!(InVT.getVectorNumElements() & 1) && "Unsupported BITCAST"); InOp = GetWidenedVector(InOp); - EVT InNVT = EVT::getVectorVT(*DAG.getContext(), InVT.getVectorElementType(), - InVT.getVectorNumElements()/2); - Lo = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, InNVT, InOp, - DAG.getConstant(0, TLI.getVectorIdxTy())); - Hi = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, InNVT, InOp, - DAG.getConstant(InNVT.getVectorNumElements(), - TLI.getVectorIdxTy())); + EVT LoVT, HiVT; + llvm::tie(LoVT, HiVT) = DAG.GetSplitDestVTs(InVT); + llvm::tie(Lo, Hi) = DAG.SplitVector(InOp, dl, LoVT, HiVT); if (TLI.isBigEndian()) std::swap(Lo, Hi); Lo = DAG.getNode(ISD::BITCAST, dl, NOutVT, Lo); @@ -496,15 +492,8 @@ void DAGTypeLegalizer::SplitRes_SELECT(SDNode *N, SDValue &Lo, assert(Cond.getValueType() == getSetCCResultType(N->getValueType(0)) && "Condition has not been prepared for split!"); GetSplitVector(Cond, CL, CH); - } else { - EVT ETy = Cond.getValueType().getVectorElementType(); - unsigned NumElements = Cond.getValueType().getVectorNumElements(); - EVT VCondTy = EVT::getVectorVT(*DAG.getContext(), ETy, NumElements / 2); - CL = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, VCondTy, Cond, - DAG.getConstant(0, TLI.getVectorIdxTy())); - CH = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, VCondTy, Cond, - DAG.getConstant(NumElements / 2, TLI.getVectorIdxTy())); - } + } else + llvm::tie(CL, CH) = DAG.SplitVector(Cond, dl); } Lo = DAG.getNode(N->getOpcode(), dl, LL.getValueType(), CL, LL, RL); @@ -526,7 +515,7 @@ void DAGTypeLegalizer::SplitRes_SELECT_CC(SDNode *N, SDValue &Lo, void DAGTypeLegalizer::SplitRes_UNDEF(SDNode *N, SDValue &Lo, SDValue &Hi) { EVT LoVT, HiVT; - GetSplitDestVTs(N->getValueType(0), LoVT, HiVT); + llvm::tie(LoVT, HiVT) = DAG.GetSplitDestVTs(N->getValueType(0)); Lo = DAG.getUNDEF(LoVT); Hi = DAG.getUNDEF(HiVT); } |