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Remove dead subtree limit code. 

llvm-svn: 189995
This commit is contained in:
Andrew Trick 2013-09-04 21:00:20 +00:00
parent 856ecd9ab3
commit 2a749ee0b9
1 changed files with 0 additions and 9 deletions
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9
llvm/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;