Also use shrinkToUses after AdjustCopiesBackFrom().

The 'last use' may not be in the same basic block, and we still want a correct
live range.

llvm-svn: 131523

llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp

@@ -272,7 +272,7 @@ bool SimpleRegisterCoalescing::AdjustCopiesBackFrom(const CoalescerPair &CP,
   // merge, find the last use and trim the live range. That will also add the
   // isKill marker.
   if (ALR->end == CopyIdx)
-    TrimLiveIntervalToLastUse(CopyUseIdx, CopyMI->getParent(), IntA, ALR);
+    li_->shrinkToUses(&IntA);
 
   ++numExtends;
   return true;