Enhance EmitInstrWithCustomInserter() so target can specify CFG changes that sdisel will use to properly complete phi nodes.
Not functionality change yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82273 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaISelLowering.cpp b/lib/Target/Alpha/AlphaISelLowering.cpp
index ac6be65..1034b61 100644
--- a/lib/Target/Alpha/AlphaISelLowering.cpp
+++ b/lib/Target/Alpha/AlphaISelLowering.cpp
@@ -823,7 +823,8 @@
 
 MachineBasicBlock *
 AlphaTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
-                                                 MachineBasicBlock *BB) const {
+                                                 MachineBasicBlock *BB,
+                   DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const {
   const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
   assert((MI->getOpcode() == Alpha::CAS32 ||
           MI->getOpcode() == Alpha::CAS64 ||
diff --git a/lib/Target/Alpha/AlphaISelLowering.h b/lib/Target/Alpha/AlphaISelLowering.h
index 90e5d1f..b580c9d 100644
--- a/lib/Target/Alpha/AlphaISelLowering.h
+++ b/lib/Target/Alpha/AlphaISelLowering.h
@@ -94,7 +94,8 @@
                                         EVT VT) const;
 
     MachineBasicBlock *EmitInstrWithCustomInserter(MachineInstr *MI,
-                                                   MachineBasicBlock *BB) const;
+                                                   MachineBasicBlock *BB,
+                    DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const;
 
     virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;