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Clarify FIXME.

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llvm-svn: 60867
This commit is contained in:
Bill Wendling 2008-12-11 01:26:44 +00:00
parent 80cfaeecfe
commit 060f17c854
1 changed files with 6 additions and 6 deletions
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12
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -968,8 +968,8 @@ SDValue DAGCombiner::visitADD(SDNode *N) {
}
if (N->getNumValues() != 1)
// FIXME: DAG combiner cannot handle multiple return values on arithmetic
// operators.
// FIXME: DAG combiner cannot handle arithmetic operators which produce
// multiple results.
return SDValue();
// fold (add x, undef) -> undef
@ -1168,8 +1168,8 @@ SDValue DAGCombiner::visitSUB(SDNode *N) {
}
if (N->getNumValues() != 1)
// FIXME: DAG combiner cannot handle multiple return values on arithmetic
// operators.
// FIXME: DAG combiner cannot handle arithmetic operators which produce
// multiple results.
return SDValue();
// fold (sub x, x) -> 0
@ -1231,8 +1231,8 @@ SDValue DAGCombiner::visitMUL(SDNode *N) {
}
if (N->getNumValues() != 1)
// FIXME: DAG combiner cannot handle multiple return values on arithmetic
// operators.
// FIXME: DAG combiner cannot handle arithmetic operators which produce
// multiple results.
return SDValue();
// fold (mul x, undef) -> 0