X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FCodeGen%2FLiveStackAnalysis.h;h=86c4d7c11067a9f7e4ac33f231edae364934533f;hb=657b75b9946eae763725b413841dfd01ed12a051;hp=d63a222475c6728667689b7d072c5ec609bc8bc7;hpb=45cfe545ec8177262dabc70580ce05feaa1c3880;p=oota-llvm.git

diff --git a/include/llvm/CodeGen/LiveStackAnalysis.h b/include/llvm/CodeGen/LiveStackAnalysis.h
index d63a222475c..86c4d7c1106 100644
--- a/include/llvm/CodeGen/LiveStackAnalysis.h
+++ b/include/llvm/CodeGen/LiveStackAnalysis.h
@@ -25,9 +25,11 @@
 namespace llvm {
 
   class LiveStacks : public MachineFunctionPass {
+    const TargetRegisterInfo *TRI;
+
     /// Special pool allocator for VNInfo's (LiveInterval val#).
     ///
-    BumpPtrAllocator VNInfoAllocator;
+    VNInfo::Allocator VNInfoAllocator;
 
     /// S2IMap - Stack slot indices to live interval mapping.
     ///
@@ -39,7 +41,9 @@ namespace llvm {
     
   public:
     static char ID; // Pass identification, replacement for typeid
-    LiveStacks() : MachineFunctionPass(&ID) {}
+    LiveStacks() : MachineFunctionPass(ID) {
+      initializeLiveStacksPass(*PassRegistry::getPassRegistry());
+    }
 
     typedef SS2IntervalMap::iterator iterator;
     typedef SS2IntervalMap::const_iterator const_iterator;
@@ -48,23 +52,9 @@ namespace llvm {
     iterator begin() { return S2IMap.begin(); }
     iterator end() { return S2IMap.end(); }
 
-    void scaleNumbering(int factor);
-
     unsigned getNumIntervals() const { return (unsigned)S2IMap.size(); }
 
-    LiveInterval &getOrCreateInterval(int Slot, const TargetRegisterClass *RC) {
-      assert(Slot >= 0 && "Spill slot indice must be >= 0");
-      SS2IntervalMap::iterator I = S2IMap.find(Slot);
-      if (I == S2IMap.end()) {
-        I = S2IMap.insert(I,std::make_pair(Slot, LiveInterval(Slot,0.0F,true)));
-        S2RCMap.insert(std::make_pair(Slot, RC));
-      } else {
-        // Use the largest common subclass register class.
-        const TargetRegisterClass *OldRC = S2RCMap[Slot];
-        S2RCMap[Slot] = getCommonSubClass(OldRC, RC);
-      }
-      return I->second;
-    }
+    LiveInterval &getOrCreateInterval(int Slot, const TargetRegisterClass *RC);
 
     LiveInterval &getInterval(int Slot) {
       assert(Slot >= 0 && "Spill slot indice must be >= 0");
@@ -93,7 +83,7 @@ namespace llvm {
       return I->second;
     }
 
-    BumpPtrAllocator& getVNInfoAllocator() { return VNInfoAllocator; }
+    VNInfo::Allocator& getVNInfoAllocator() { return VNInfoAllocator; }
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const;
     virtual void releaseMemory();