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Update a comment to reflect the current code.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59549 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-11-18 21:14:44 +00:00
parent 9a6b92de4c
commit 0454e8685f
1 changed files with 2 additions and 3 deletions
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5
lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp
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@ -119,9 +119,8 @@ void ScheduleDAGList::ReleaseSucc(SUnit *SU, SUnit *SuccSU, bool isChain) {
}
#endif
// Compute how many cycles it will be before this actually becomes
// available. This is the max of the start time of all predecessors plus
// their latencies.
// Compute the cycle when this SUnit actually becomes available. This
// is the max of the start time of all predecessors plus their latencies.
// If this is a token edge, we don't need to wait for the latency of the
// preceeding instruction (e.g. a long-latency load) unless there is also
// some other data dependence.