Remove unused member.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121098 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/LiveIntervalUnion.h b/lib/CodeGen/LiveIntervalUnion.h
index 153ee2d6691544038aabce67354868f7ab40589b..445e7b3bf18afb37c79948bb27ea49044901ca25 100644 (file)
--- a/lib/CodeGen/LiveIntervalUnion.h
+++ b/lib/CodeGen/LiveIntervalUnion.h
@@ -18,7 +18,6 @@
 #define LLVM_CODEGEN_LIVEINTERVALUNION
 
 #include "llvm/CodeGen/LiveInterval.h"
-#include <vector>
 #include <set>
 
 namespace llvm {
@@ -100,13 +99,6 @@ class LiveIntervalUnion {
   // efficiently represent it. Probably need to roll our own B-tree.
   typedef std::set<LiveSegment> LiveSegments;
 
-  // A set of live virtual registers. Elements have type LiveInterval, where
-  // each element represents the liveness of a single live virtual register.
-  // This is traditionally known as a live range, but we refer is as a live
-  // virtual register to avoid confusing it with the misnamed LiveRange
-  // class.
-  typedef std::vector<LiveInterval*> LiveVRegs;
-
 public:
   // SegmentIter can advance to the next segment ordered by starting position
   // which may belong to a different live virtual register. We also must be able