X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FLiveIntervalUnion.cpp;h=d81221b6a526cb4d62d992be53b75e9e6c1cff31;hb=f2534dd8b9335fe82b22039c5973377e7db6ef10;hp=430a660f2d504f8b9d687be4a30d2a63e9911200;hpb=1ead68d769f27f6d68d4aaeffe4199fa2cacbc95;p=oota-llvm.git

diff --git a/lib/CodeGen/LiveIntervalUnion.cpp b/lib/CodeGen/LiveIntervalUnion.cpp
index 430a660f2d5..d81221b6a52 100644
--- a/lib/CodeGen/LiveIntervalUnion.cpp
+++ b/lib/CodeGen/LiveIntervalUnion.cpp
@@ -13,17 +13,17 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "regalloc"
 #include "llvm/CodeGen/LiveIntervalUnion.h"
 #include "llvm/ADT/SparseBitVector.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetRegisterInfo.h"
-
 #include <algorithm>
 
 using namespace llvm;
 
+#define DEBUG_TYPE "regalloc"
+
 
 // Merge a LiveInterval's segments. Guarantee no overlaps.
 void LiveIntervalUnion::unify(LiveInterval &VirtReg) {
@@ -139,7 +139,7 @@ collectInterferingVRegs(unsigned MaxInterferingRegs) {
   }
 
   LiveInterval::iterator VirtRegEnd = VirtReg->end();
-  LiveInterval *RecentReg = 0;
+  LiveInterval *RecentReg = nullptr;
   while (LiveUnionI.valid()) {
     assert(VirtRegI != VirtRegEnd && "Reached end of VirtReg");
 
@@ -201,5 +201,5 @@ void LiveIntervalUnion::Array::clear() {
     LIUs[i].~LiveIntervalUnion();
   free(LIUs);
   Size =  0;
-  LIUs = 0;
+  LIUs = nullptr;
 }