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| author | Evan Cheng <evan.cheng@apple.com> | 2006-05-25 08:37:31 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-05-25 08:37:31 +0000 |
| commit | 3b788238683396671e63cad36298d26eb4806dbe (patch) | |
| tree | 7def2e9c0df5bf718af859e82f614d3cdb73faf8 /lib/CodeGen | |
| parent | 32cdb6617ee317a218976e7a6c063ca36afab760 (diff) | |
| download | llvm-3b788238683396671e63cad36298d26eb4806dbe.tar.gz llvm-3b788238683396671e63cad36298d26eb4806dbe.tar.bz2 llvm-3b788238683396671e63cad36298d26eb4806dbe.tar.xz | |
Turn on -sched-commute-nodes by default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28465 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp index cd5abad10e..09c0af905e 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp @@ -31,10 +31,6 @@ using namespace llvm; namespace { - cl::opt<bool> SchedCommuteNodes("sched-commute-nodes", cl::Hidden); -} - -namespace { //===----------------------------------------------------------------------===// /// ScheduleDAGRRList - The actual register reduction list scheduler /// implementation. This supports both top-down and bottom-up scheduling. @@ -100,8 +96,7 @@ void ScheduleDAGRRList::Schedule() { AvailableQueue->releaseState(); - if (SchedCommuteNodes) - CommuteNodesToReducePressure(); + CommuteNodesToReducePressure(); DEBUG(std::cerr << "*** Final schedule ***\n"); DEBUG(dumpSchedule()); @@ -685,7 +680,7 @@ void BURegReductionPriorityQueue<SF>::AddPseudoTwoAddrDeps() { SUnit *SuccSU = I->first; if (SuccSU != SU && (!canClobber(SuccSU, DUSU) || - (SchedCommuteNodes && !SU->isCommutable && SuccSU->isCommutable))){ + (!SU->isCommutable && SuccSU->isCommutable))){ if (SuccSU->Depth == SU->Depth && !isReachable(SuccSU, SU)) { DEBUG(std::cerr << "Adding an edge from SU # " << SU->NodeNum << " to SU #" << SuccSU->NodeNum << "\n"); |