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Fix some bugs in (sext (load x))

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23717 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-10-13 21:52:31 +00:00
parent 9ad8481cfb
commit f98840531a
1 changed files with 2 additions and 1 deletions
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lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -1248,8 +1248,9 @@ SDOperand DAGCombiner::visitSIGN_EXTEND(SDNode *N) {
SDOperand ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, N0.getOperand(0), SDOperand ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, N0.getOperand(0),
N0.getOperand(1), N0.getOperand(2), N0.getOperand(1), N0.getOperand(2),
N0.getValueType()); N0.getValueType());
CombineTo(N0.Val, ExtLoad, ExtLoad.getOperand(0));
WorkList.push_back(N); WorkList.push_back(N);
CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad),
ExtLoad.getValue(1));
return SDOperand(); return SDOperand();
} }
return SDOperand(); return SDOperand();