Remove the vector of live vregs. I thought we would need to track

them, but hopefully we won't. And this is not the right data structure
to do it anyway.

llvm-svn: 117412

2 files changed, 0 insertions, 6 deletions

diff --git a/llvm/lib/CodeGen/LiveIntervalUnion.cpp b/llvm/lib/CodeGen/LiveIntervalUnion.cpp
index 6e2cd0fc313..9a47b3569b4 100644
--- a/llvm/lib/CodeGen/LiveIntervalUnion.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalUnion.cpp
@@ -25,11 +25,6 @@ using namespace llvm;
 // Consider coalescing adjacent segments to save space, even though it makes
 // extraction more complicated.
 void LiveIntervalUnion::unify(LiveInterval &lvr) {
-  // Add this live virtual register to the union
-  LiveVirtRegs::iterator pos = std::upper_bound(lvrs_.begin(), lvrs_.end(),
-                                                &lvr, less_ptr<LiveInterval>());
-  assert((pos == lvrs_.end() || *pos != &lvr) && "duplicate LVR insertion");
-  lvrs_.insert(pos, &lvr);
   // Insert each of the virtual register's live segments into the map
   SegmentIter segPos = segments_.begin();
   for (LiveInterval::iterator lvrI = lvr.begin(), lvrEnd = lvr.end();
diff --git a/llvm/lib/CodeGen/LiveIntervalUnion.h b/llvm/lib/CodeGen/LiveIntervalUnion.h
index 1eb380fa171..0beadfa47ee 100644
--- a/llvm/lib/CodeGen/LiveIntervalUnion.h
+++ b/llvm/lib/CodeGen/LiveIntervalUnion.h
@@ -97,7 +97,6 @@ public:
 private:
   unsigned repReg_;        // representative register number
   LiveSegments segments_;  // union of virtual reg segements
-  LiveVirtRegs lvrs_;      // set of live virtual regs in the union
 
 public:
   // default ctor avoids placement new