From b20b518f800293ea6b2bed04134c71293ac52403 Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Thu, 12 Jan 2012 17:53:44 +0000
Subject: Make SplitAnalysis::UseSlots private.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148031 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/RegAllocGreedy.cpp |  6 +++---
 lib/CodeGen/SplitKit.h         | 10 +++++++---
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index f6e90abbe6..eee7341889 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -1264,7 +1264,7 @@ void RAGreedy::calcGapWeights(unsigned PhysReg,
                               SmallVectorImpl<float> &GapWeight) {
   assert(SA->getUseBlocks().size() == 1 && "Not a local interval");
   const SplitAnalysis::BlockInfo &BI = SA->getUseBlocks().front();
-  const SmallVectorImpl<SlotIndex> &Uses = SA->UseSlots;
+  ArrayRef<SlotIndex> Uses = SA->getUseSlots();
   const unsigned NumGaps = Uses.size()-1;
 
   // Start and end points for the interference check.
@@ -1325,7 +1325,7 @@ unsigned RAGreedy::tryLocalSplit(LiveInterval &VirtReg, AllocationOrder &Order,
   // that the interval is continuous from FirstInstr to LastInstr. We should
   // make sure that we don't do anything illegal to such an interval, though.
 
-  const SmallVectorImpl<SlotIndex> &Uses = SA->UseSlots;
+  ArrayRef<SlotIndex> Uses = SA->getUseSlots();
   if (Uses.size() <= 2)
     return 0;
   const unsigned NumGaps = Uses.size()-1;
@@ -1333,7 +1333,7 @@ unsigned RAGreedy::tryLocalSplit(LiveInterval &VirtReg, AllocationOrder &Order,
   DEBUG({
     dbgs() << "tryLocalSplit: ";
     for (unsigned i = 0, e = Uses.size(); i != e; ++i)
-      dbgs() << ' ' << SA->UseSlots[i];
+      dbgs() << ' ' << Uses[i];
     dbgs() << '\n';
   });
 
diff --git a/lib/CodeGen/SplitKit.h b/lib/CodeGen/SplitKit.h
index f1c6951ccd..4005a3d5cb 100644
--- a/lib/CodeGen/SplitKit.h
+++ b/lib/CodeGen/SplitKit.h
@@ -46,9 +46,6 @@ public:
   const MachineLoopInfo &Loops;
   const TargetInstrInfo &TII;
 
-  // Sorted slot indexes of using instructions.
-  SmallVector<SlotIndex, 8> UseSlots;
-
   /// Additional information about basic blocks where the current variable is
   /// live. Such a block will look like one of these templates:
   ///
@@ -85,6 +82,9 @@ private:
   // Current live interval.
   const LiveInterval *CurLI;
 
+  // Sorted slot indexes of using instructions.
+  SmallVector<SlotIndex, 8> UseSlots;
+
   /// LastSplitPoint - Last legal split point in each basic block in the current
   /// function. The first entry is the first terminator, the second entry is the
   /// last valid split point for a variable that is live in to a landing pad
@@ -155,6 +155,10 @@ public:
   /// splitting.
   bool isOriginalEndpoint(SlotIndex Idx) const;
 
+  /// getUseSlots - Return an array of SlotIndexes of instructions using CurLI.
+  /// This include both use and def operands, at most one entry per instruction.
+  ArrayRef<SlotIndex> getUseSlots() const { return UseSlots; }
+
   /// getUseBlocks - Return an array of BlockInfo objects for the basic blocks
   /// where CurLI has uses.
   ArrayRef<BlockInfo> getUseBlocks() const { return UseBlocks; }
-- 
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