diff options
| author | Dan Gohman <gohman@apple.com> | 2009-01-13 19:08:45 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-01-13 19:08:45 +0000 |
| commit | a1f50e2c2cad12dd8fe7ef80e394ee7a96654021 (patch) | |
| tree | d3ceaadc816a28975fec98e0a8892bddd728efff /lib/CodeGen/ScheduleDAG.cpp | |
| parent | 2ecf88d1751c847b87a7119bf34fff85a3d272e2 (diff) | |
| download | llvm-a1f50e2c2cad12dd8fe7ef80e394ee7a96654021.tar.gz llvm-a1f50e2c2cad12dd8fe7ef80e394ee7a96654021.tar.bz2 llvm-a1f50e2c2cad12dd8fe7ef80e394ee7a96654021.tar.xz | |
Avoid referring to edge D after the Succs or Preds arrays have
been modified, to avoid trouble in the (unlikely) scenario that
D is a reference to an element in one of those arrays.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62173 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/ScheduleDAG.cpp')
| -rw-r--r-- | lib/CodeGen/ScheduleDAG.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/CodeGen/ScheduleDAG.cpp b/lib/CodeGen/ScheduleDAG.cpp index 730080d0fa..62b816c147 100644 --- a/lib/CodeGen/ScheduleDAG.cpp +++ b/lib/CodeGen/ScheduleDAG.cpp @@ -75,8 +75,8 @@ void SUnit::addPred(const SDep &D) { ++NumPredsLeft; if (!isScheduled) ++N->NumSuccsLeft; - N->Succs.push_back(P); Preds.push_back(D); + N->Succs.push_back(P); if (P.getLatency() != 0) { this->setDepthDirty(); N->setHeightDirty(); @@ -105,8 +105,8 @@ void SUnit::removePred(const SDep &D) { } assert(FoundSucc && "Mismatching preds / succs lists!"); Preds.erase(I); - // Update the bookkeeping; - if (D.getKind() == SDep::Data) { + // Update the bookkeeping. + if (P.getKind() == SDep::Data) { --NumPreds; --N->NumSuccs; } |