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Remove dead subtree limit code.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189995 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick 2013-09-04 21:00:20 +00:00
parent da9f441854
commit ba9ec8ce80
1 changed files with 0 additions and 9 deletions
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lib/CodeGen/MachineScheduler.cpp
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@ -2818,15 +2818,6 @@ struct ILPOrder {
/// \brief Schedule based on the ILP metric.
class ILPScheduler : public MachineSchedStrategy {
/// In case all subtrees are eventually connected to a common root through
/// data dependence (e.g. reduction), place an upper limit on their size.
///
/// FIXME: A subtree limit is generally good, but in the situation commented
/// above, where multiple similar subtrees feed a common root, we should
/// only split at a point where the resulting subtrees will be balanced.
/// (a motivating test case must be found).
static const unsigned SubtreeLimit = 16;
ScheduleDAGMI *DAG;
ILPOrder Cmp;