diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/ScheduleDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAG.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp index 3738702dc8..192b0767e3 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp @@ -676,7 +676,8 @@ void ScheduleDAG::EmitNode(SDNode *Node, if (HasPhysRegOuts) { for (unsigned i = II.numDefs; i < NumResults; ++i) { unsigned Reg = II.ImplicitDefs[i - II.numDefs]; - EmitCopyFromReg(Node, i, Reg, VRBaseMap); + if (Node->hasAnyUseOfValue(i)) + EmitCopyFromReg(Node, i, Reg, VRBaseMap); } } } else { |