Remove the only use of SlotIndex::isPHI. This bit is not being set consistently
and it will be removed shortly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114778 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/Spiller.cpp b/lib/CodeGen/Spiller.cpp
index 59d5ab3..40bb386 100644
--- a/lib/CodeGen/Spiller.cpp
+++ b/lib/CodeGen/Spiller.cpp
@@ -458,7 +458,7 @@
     // Iterate over any PHI kills - we'll need to insert new copies for them.
     for (LiveInterval::iterator LRI = newLI->begin(), LRE = newLI->end();
          LRI != LRE; ++LRI) {
-      if (LRI->valno != newVNI || LRI->end.isPHI())
+      if (LRI->valno != newVNI)
         continue;
       SlotIndex killIdx = LRI->end;
       MachineBasicBlock *killMBB = lis->getMBBFromIndex(killIdx);