[C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206142 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/CodeGen/LiveIntervalUnion.cpp b/lib/CodeGen/LiveIntervalUnion.cpp
index d5a81a311c..fceb62b923 100644
--- a/lib/CodeGen/LiveIntervalUnion.cpp
+++ b/lib/CodeGen/LiveIntervalUnion.cpp
@@ -138,7 +138,7 @@ collectInterferingVRegs(unsigned MaxInterferingRegs) {
   }
 
   LiveInterval::iterator VirtRegEnd = VirtReg->end();
-  LiveInterval *RecentReg = 0;
+  LiveInterval *RecentReg = nullptr;
   while (LiveUnionI.valid()) {
     assert(VirtRegI != VirtRegEnd && "Reached end of VirtReg");
 
@@ -200,5 +200,5 @@ void LiveIntervalUnion::Array::clear() {
     LIUs[i].~LiveIntervalUnion();
   free(LIUs);
   Size =  0;
-  LIUs = 0;
+  LIUs = nullptr;
 }