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Don't call setDepthDirty/setHeightDirty when adding an edge

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with latency 0, since it doesn't affect the depth or height.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61762 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-01-05 22:40:26 +00:00
parent 8526cc03a5
commit a80c859df3
1 changed files with 8 additions and 4 deletions
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12
lib/CodeGen/ScheduleDAG.cpp
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@ -77,8 +77,10 @@ void SUnit::addPred(const SDep &D) {
++N->NumSuccsLeft;
N->Succs.push_back(P);
Preds.push_back(D);
this->setDepthDirty();
N->setHeightDirty();
if (P.getLatency() != 0) {
this->setDepthDirty();
N->setHeightDirty();
}
}
/// removePred - This removes the specified edge as a pred of the current
@ -112,8 +114,10 @@ void SUnit::removePred(const SDep &D) {
--NumPredsLeft;
if (!isScheduled)
--N->NumSuccsLeft;
this->setDepthDirty();
N->setHeightDirty();
if (P.getLatency() != 0) {
this->setDepthDirty();
N->setHeightDirty();
}
return;
}
}