Merge safe parts from last night's buggy commit. These do not break

any test cases :-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11032 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/LiveIntervalAnalysis.h

@@ -9,12 +9,12 @@
 //
 // This file implements the LiveInterval analysis pass.  Given some
 // numbering of each the machine instructions (in this implemention
-// depth-first order) an interval [i, j] is said to be a live interval
+// depth-first order) an interval [i, j) is said to be a live interval
 // for register v if there is no instruction with number j' > j such
 // that v is live at j' abd there is no instruction with number i' < i
 // such that v is live at i'. In this implementation intervals can
-// have holes, i.e. an interval might look like [1,20], [50,65],
-// [1000,1001]
+// have holes, i.e. an interval might look like [1,20), [50,65),
+// [1000,1001)
 //
 //===----------------------------------------------------------------------===//
 
@@ -22,11 +22,7 @@
 #define LLVM_CODEGEN_LIVEINTERVALS_H
 
 #include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
-#include <iostream>
 #include <list>
-#include <map>
-#include <vector>
 
 namespace llvm {
 
@@ -113,19 +109,13 @@ namespace llvm {
 
     public:
         virtual void getAnalysisUsage(AnalysisUsage &AU) const;
+        virtual void releaseMemory();
+
+        /// runOnMachineFunction - pass entry point
+        virtual bool runOnMachineFunction(MachineFunction&);
 
         Intervals& getIntervals() { return intervals_; }
 
-        MachineBasicBlockPtrs getOrderedMachineBasicBlockPtrs() const {
-            MachineBasicBlockPtrs result;
-            for (MbbIndex2MbbMap::const_iterator
-                     it = mbbi2mbbMap_.begin(), itEnd = mbbi2mbbMap_.end();
-                 it != itEnd; ++it) {
-                result.push_back(it->second);
-            }
-            return result;
-        }
-
         const Reg2RegMap& getJoinedRegMap() const {
             return r2rMap_;
         }
@@ -134,9 +124,6 @@ namespace llvm {
         unsigned rep(unsigned reg);
 
     private:
-        /// runOnMachineFunction - pass entry point
-        bool runOnMachineFunction(MachineFunction&);
-
         /// computeIntervals - compute live intervals
         void computeIntervals();