Remove LiveIntervals::trackingRegUnits().

With regunit liveness permanently enabled, this function would always
return true.

Also remove now obsolete code for checking physreg interference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159006 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 5 deletions

diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h
index fa7dca9..3519a5d 100644
--- a/include/llvm/CodeGen/LiveIntervalAnalysis.h
+++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h
@@ -347,11 +347,6 @@ namespace llvm {
       return RegUnitIntervals[Unit];
     }
 
-    /// trackingRegUnits - Does LiveIntervals curently track register units?
-    /// This function will be removed when regunit tracking is permanently
-    /// enabled.
-    bool trackingRegUnits() const { return !RegUnitIntervals.empty(); }
-
   private:
     /// computeIntervals - Compute live intervals.
     void computeIntervals();