[llvm-commits] [llvm] r167879 - /llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp

[Andrew Trick]

Author: atrick
Date: Tue Nov 13 16:15:40 2012
New Revision: 167879

URL: http://llvm.org/viewvc/llvm-project?rev=167879&view=rev
Log:
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.

Modified:
    llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp

Modified: llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp?rev=167879&r1=167878&r2=167879&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp Tue Nov 13 16:15:40 2012
@@ -2116,10 +2116,10 @@
   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');