Clarify FIXME.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60867 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2008-12-11 01:26:44 +00:00
parent f67303d256
commit 775bb805c5

View File

@ -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