SDNodes may have at most one Flag result. Update this comment
to reflect that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58145 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
index 6fc4e11..eb0918e 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
@@ -351,8 +351,8 @@
/// CountOperands - The inputs to target nodes have any actual inputs first,
/// followed by special operands that describe memory references, then an
-/// optional chain operand, then flag operands. Compute the number of
-/// actual operands that will go into the resulting MachineInstr.
+/// optional chain operand, then an optional flag operand. Compute the number
+/// of actual operands that will go into the resulting MachineInstr.
unsigned ScheduleDAG::CountOperands(SDNode *Node) {
unsigned N = ComputeMemOperandsEnd(Node);
while (N && isa<MemOperandSDNode>(Node->getOperand(N - 1).getNode()))