VarInfo::UsedBlocks is no longer used. Remove.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36250 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 2 deletions

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 8b181150f6..6521d97805 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -1058,10 +1058,9 @@ bool LiveIntervals::JoinCopy(MachineInstr *CopyMI,
     for (const unsigned *AS = mri_->getAliasSet(repDstReg); *AS; ++AS)
       getInterval(*AS).MergeInClobberRanges(SrcInt);
   } else {
-    // Merge UsedBlocks info if the destination is a virtual register.
+    // Merge use info if the destination is a virtual register.
     LiveVariables::VarInfo& dVI = lv_->getVarInfo(repDstReg);
     LiveVariables::VarInfo& sVI = lv_->getVarInfo(repSrcReg);
-    dVI.UsedBlocks |= sVI.UsedBlocks;
     dVI.NumUses += sVI.NumUses;
   }