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Revert commit 126684 "Use the correct shift amount type". It is only the correct

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type after type legalization has completed.  Before then it may simply not be big
enough to hold the shift amount, particularly on x86 which uses a very small type
for shifts (this issue broke stuff in the past which is why LegalizeTypes carefully
uses a large type for shift amounts).

llvm-svn: 127000
This commit is contained in:
Duncan Sands 2011-03-04 14:28:59 +00:00
parent 6e33c92ffb
commit f6c9de94f8
1 changed files with 1 additions and 1 deletions
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lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
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@ -226,7 +226,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_BSWAP(SDNode *N) {
unsigned DiffBits = NVT.getSizeInBits() - OVT.getSizeInBits();
return DAG.getNode(ISD::SRL, dl, NVT, DAG.getNode(ISD::BSWAP, dl, NVT, Op),
DAG.getConstant(DiffBits, TLI.getShiftAmountTy(NVT)));
DAG.getConstant(DiffBits, TLI.getPointerTy()));
}
SDValue DAGTypeLegalizer::PromoteIntRes_BUILD_PAIR(SDNode *N) {