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The MachineScheduler does not currently require JoinSplitEdges.

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This option will eventually either be enabled unconditionally or
replaced by a more general live range splitting optimization.

llvm-svn: 167879
This commit is contained in:
Andrew Trick 2012-11-13 22:15:40 +00:00
parent b158d9cd2a
commit e5651a379a
1 changed files with 4 additions and 4 deletions
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8
lib/CodeGen/RegisterCoalescer.cpp
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@ -2116,10 +2116,10 @@ bool RegisterCoalescer::runOnMachineFunction(MachineFunction &fn) {
else
JoinGlobalCopies = (EnableGlobalCopies == cl::BOU_TRUE);
if (EnableJoinSplits == cl::BOU_UNSET)
JoinSplitEdges = ST.enableMachineScheduler();
else
JoinSplitEdges = (EnableJoinSplits == cl::BOU_TRUE);
// The MachineScheduler does not currently require JoinSplitEdges. This will
// either be enabled unconditionally or replaced by a more general live range
// splitting optimization.
JoinSplitEdges = EnableJoinSplits;
DEBUG(dbgs() << "********** SIMPLE REGISTER COALESCING **********\n"
<< "********** Function: " << MF->getName() << '\n');