Minor bug fix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35153 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 225565f..4a6a561 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -937,7 +937,7 @@
   // virtual register. Once the coalescing is done, it cannot be broken and
   // these are not spillable! If the destination interval uses are far away,
   // think twice about coalescing them!
-  if (ReduceJoinPhys && !isDead &&
+  if (ReduceJoinPhys && !mopd->isDead() &&
       MRegisterInfo::isPhysicalRegister(repSrcReg)) {
     // Small function. No need to worry!
     unsigned Threshold = allocatableRegs_.count() * 2;