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The MachineScheduler does not currently require JoinSplitEdges.
This option will eventually either be enabled unconditionally or replaced by a more general live range splitting optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167879 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -2116,10 +2116,10 @@ bool RegisterCoalescer::runOnMachineFunction(MachineFunction &fn) {
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else
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JoinGlobalCopies = (EnableGlobalCopies == cl::BOU_TRUE);
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if (EnableJoinSplits == cl::BOU_UNSET)
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JoinSplitEdges = ST.enableMachineScheduler();
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else
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JoinSplitEdges = (EnableJoinSplits == cl::BOU_TRUE);
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// The MachineScheduler does not currently require JoinSplitEdges. This will
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// either be enabled unconditionally or replaced by a more general live range
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// splitting optimization.
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JoinSplitEdges = EnableJoinSplits;
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DEBUG(dbgs() << "********** SIMPLE REGISTER COALESCING **********\n"
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<< "********** Function: " << MF->getName() << '\n');
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