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Make custom lowering of ADD work correctly. This

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fixes PR2476; patch by Richard Osborne.  The same
problem exists for a bunch of other operators, but
I'm ignoring this because they will be automagically
fixed when the new LegalizeTypes infrastructure lands,
since it already solves this problem centrally.

llvm-svn: 52610
This commit is contained in:
Duncan Sands 2008-06-22 09:42:16 +00:00
parent 369401ef95
commit d1d3e67d30
1 changed files with 3 additions and 3 deletions
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6
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -6374,9 +6374,9 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
// If the target wants to custom expand this, let them.
if (TLI.getOperationAction(Node->getOpcode(), VT) ==
TargetLowering::Custom) {
Op = TLI.LowerOperation(Op, DAG);
if (Op.Val) {
ExpandOp(Op, Lo, Hi);
SDOperand Result = TLI.LowerOperation(Op, DAG);
if (Result.Val) {
ExpandOp(Result, Lo, Hi);
break;
}
}