Make MachineDominators available for SplitEditor. We are going to need it for

proper SSA updating.

This doesn't cause MachineDominators to be recomputed since we are already
requiring MachineLoopInfo which uses dominators as well.

llvm-svn: 117598

1 files changed, 7 insertions, 3 deletions

diff --git a/llvm/lib/CodeGen/SplitKit.cpp b/llvm/lib/CodeGen/SplitKit.cpp
index a89a977695f..f81c479f818 100644
--- a/llvm/lib/CodeGen/SplitKit.cpp
+++ b/llvm/lib/CodeGen/SplitKit.cpp
@@ -18,6 +18,7 @@
 #include "VirtRegMap.h"
 #include "llvm/CodeGen/CalcSpillWeights.h"
 #include "llvm/CodeGen/LiveIntervalAnalysis.h"
+#include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineLoopInfo.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
@@ -603,14 +604,17 @@ VNInfo *LiveIntervalMap::defByCopyFrom(unsigned Reg,
 //===----------------------------------------------------------------------===//
 
 /// Create a new SplitEditor for editing the LiveInterval analyzed by SA.
-SplitEditor::SplitEditor(SplitAnalysis &sa, LiveIntervals &lis, VirtRegMap &vrm,
+SplitEditor::SplitEditor(SplitAnalysis &sa,
+                         LiveIntervals &lis,
+                         VirtRegMap &vrm,
+                         MachineDominatorTree &mdt,
                          LiveRangeEdit &edit)
   : sa_(sa), lis_(lis), vrm_(vrm),
     mri_(vrm.getMachineFunction().getRegInfo()),
     tii_(*vrm.getMachineFunction().getTarget().getInstrInfo()),
     edit_(edit),
-    dupli_(lis_, edit.getParent()),
-    openli_(lis_, edit.getParent())
+    dupli_(lis_, mdt, edit.getParent()),
+    openli_(lis_, mdt, edit.getParent())
 {
 }