From c120af45671c75fd1297ac6300c03a6a9e1264da Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Tue, 10 Aug 2010 02:39:45 +0000 Subject: [PATCH] Add missing null check reported by Amaury Pouly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110649 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp index 06cf0530875..f1bf82ab145 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp @@ -59,8 +59,9 @@ SUnit *ScheduleDAGSDNodes::NewSUnit(SDNode *N) { SUnits.back().OrigNode = &SUnits.back(); SUnit *SU = &SUnits.back(); const TargetLowering &TLI = DAG->getTargetLoweringInfo(); - if (N->isMachineOpcode() && - N->getMachineOpcode() == TargetOpcode::IMPLICIT_DEF) + if (!N || + (N->isMachineOpcode() && + N->getMachineOpcode() == TargetOpcode::IMPLICIT_DEF)) SU->SchedulingPref = Sched::None; else SU->SchedulingPref = TLI.getSchedulingPreference(N);