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Revert 99335. getTypeToExpandTo's iterative behavior is actually

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needed here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99339 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-03-23 22:44:42 +00:00
parent 602d005083
commit bc7a902713
2 changed files with 23 additions and 3 deletions
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5
lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
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@@ -1021,7 +1021,7 @@ void DAGTypeLegalizer::ExpandShiftByConstant(SDNode *N, unsigned Amt,
Hi = InL;
} else if (Amt == 1 &&
TLI.isOperationLegalOrCustom(ISD::ADDC,
TLI.getTypeToTransformTo(*DAG.getContext(), NVT))) {
TLI.getTypeToExpandTo(*DAG.getContext(), NVT))) {
// Emit this X << 1 as X+X.
SDVTList VTList = DAG.getVTList(NVT, MVT::Flag);
SDValue LoOps[2] = { InL, InL };
@@ -1263,8 +1263,7 @@ void DAGTypeLegalizer::ExpandIntRes_ADDSUB(SDNode *N,
bool hasCarry =
TLI.isOperationLegalOrCustom(N->getOpcode() == ISD::ADD ?
ISD::ADDC : ISD::SUBC,
TLI.getTypeToTransformTo(*DAG.getContext(),
NVT));
TLI.getTypeToExpandTo(*DAG.getContext(), NVT));
if (hasCarry) {
SDVTList VTList = DAG.getVTList(NVT, MVT::Flag);