Added an API to the SlotIndexes pass to allow new instructions to be inserted into the numbering.

PreAllocSplitting is now using this API to insert code.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88725 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SlotIndexes.cpp b/lib/CodeGen/SlotIndexes.cpp
index 7365ec1..f85384b 100644
--- a/lib/CodeGen/SlotIndexes.cpp
+++ b/lib/CodeGen/SlotIndexes.cpp
@@ -156,7 +156,7 @@
   return false;
 }
 
-void SlotIndexes::renumber() {
+void SlotIndexes::renumberIndexes() {
 
   // Renumber updates the index of every element of the index list.
   // If all instrs in the function have been allocated an index (which has been
@@ -184,7 +184,6 @@
         Slots = 1;
 
       index += (Slots + 1) * SlotIndex::NUM;
-
     }
   }
 }