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Propagate debug loc info in SimplifyNodeWithTwoResults.

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llvm-svn: 63376
This commit is contained in:
Bill Wendling 2009-01-30 03:08:40 +00:00
parent 7067a571ce
commit 4d923185fc
1 changed files with 8 additions and 7 deletions
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15
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -1643,8 +1643,8 @@ SDValue DAGCombiner::SimplifyNodeWithTwoResults(SDNode *N, unsigned LoOp,
if (!HiExists &&
(!LegalOperations ||
TLI.isOperationLegal(LoOp, N->getValueType(0)))) {
SDValue Res = DAG.getNode(LoOp, N->getValueType(0), N->op_begin(),
N->getNumOperands());
SDValue Res = DAG.getNode(LoOp, N->getDebugLoc(), N->getValueType(0),
N->op_begin(), N->getNumOperands());
return CombineTo(N, Res, Res);
}
@ -1653,8 +1653,8 @@ SDValue DAGCombiner::SimplifyNodeWithTwoResults(SDNode *N, unsigned LoOp,
if (!LoExists &&
(!LegalOperations ||
TLI.isOperationLegal(HiOp, N->getValueType(1)))) {
SDValue Res = DAG.getNode(HiOp, N->getValueType(1), N->op_begin(),
N->getNumOperands());
SDValue Res = DAG.getNode(HiOp, N->getDebugLoc(), N->getValueType(1),
N->op_begin(), N->getNumOperands());
return CombineTo(N, Res, Res);
}
@ -1664,8 +1664,8 @@ SDValue DAGCombiner::SimplifyNodeWithTwoResults(SDNode *N, unsigned LoOp,
// If the two computed results can be simplified separately, separate them.
if (LoExists) {
SDValue Lo = DAG.getNode(LoOp, N->getValueType(0),
N->op_begin(), N->getNumOperands());
SDValue Lo = DAG.getNode(LoOp, N->getDebugLoc(), N->getValueType(0),
N->op_begin(), N->getNumOperands());
AddToWorkList(Lo.getNode());
SDValue LoOpt = combine(Lo.getNode());
if (LoOpt.getNode() && LoOpt.getNode() != Lo.getNode() &&
@ -1675,7 +1675,7 @@ SDValue DAGCombiner::SimplifyNodeWithTwoResults(SDNode *N, unsigned LoOp,
}
if (HiExists) {
SDValue Hi = DAG.getNode(HiOp, N->getValueType(1),
SDValue Hi = DAG.getNode(HiOp, N->getDebugLoc(), N->getValueType(1),
N->op_begin(), N->getNumOperands());
AddToWorkList(Hi.getNode());
SDValue HiOpt = combine(Hi.getNode());
@ -1684,6 +1684,7 @@ SDValue DAGCombiner::SimplifyNodeWithTwoResults(SDNode *N, unsigned LoOp,
TLI.isOperationLegal(HiOpt.getOpcode(), HiOpt.getValueType())))
return CombineTo(N, HiOpt, HiOpt);
}
return SDValue();
}