[AArch64] remove bogus comment; NFC

I added this comment with D42323, but as discussed in D42806, the architecture
does the right thing for denorms. We don't even need the select on 0.0 here?

llvm-svn: 323996
This commit is contained in:
Sanjay Patel 2018-02-01 19:59:33 +00:00
parent 3c80f4d941
commit d7bed12192
1 changed files with 0 additions and 3 deletions

View File

@ -5007,9 +5007,6 @@ SDValue AArch64TargetLowering::getSqrtEstimate(SDValue Operand,
Step = DAG.getNode(AArch64ISD::FRSQRTS, DL, VT, Operand, Step, Flags);
Estimate = DAG.getNode(ISD::FMUL, DL, VT, Estimate, Step, Flags);
}
// FIXME: This does not detect denorm inputs, so we might produce INF
// when we should produce 0.0. Try to refactor the code in DAGCombiner,
// so we don't have to duplicate it here.
if (!Reciprocal) {
EVT CCVT = getSetCCResultType(DAG.getDataLayout(), *DAG.getContext(),
VT);