X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FLiveRangeCalc.cpp;h=a558e142e01398488efb3a04e7132c9a88f851dc;hb=fe0bf8fbf9d401a67a1842da6cefbb58aa8975a3;hp=ecd75b4ffaa3b16470fc98e0217d98c476e4cacc;hpb=92fca73d521758012e0e425eac33bb77e888112e;p=oota-llvm.git

diff --git a/lib/CodeGen/LiveRangeCalc.cpp b/lib/CodeGen/LiveRangeCalc.cpp
index ecd75b4ffaa..a558e142e01 100644
--- a/lib/CodeGen/LiveRangeCalc.cpp
+++ b/lib/CodeGen/LiveRangeCalc.cpp
@@ -11,13 +11,14 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "regalloc"
 #include "LiveRangeCalc.h"
 #include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 
 using namespace llvm;
 
+#define DEBUG_TYPE "regalloc"
+
 void LiveRangeCalc::reset(const MachineFunction *mf,
                           SlotIndexes *SI,
                           MachineDominatorTree *MDT,
@@ -121,7 +122,7 @@ void LiveRangeCalc::updateLiveIns() {
       // The value is live-through, update LiveOut as well.
       // Defer the Domtree lookup until it is needed.
       assert(Seen.test(MBB->getNumber()));
-      LiveOut[MBB] = LiveOutPair(I->Value, (MachineDomTreeNode *)0);
+      LiveOut[MBB] = LiveOutPair(I->Value, (MachineDomTreeNode *)nullptr);
     }
     Updater.setDest(&I->LR);
     Updater.add(Start, End, I->Value);
@@ -174,7 +175,7 @@ bool LiveRangeCalc::findReachingDefs(LiveRange &LR, MachineBasicBlock &KillMBB,
 
   // Remember if we have seen more than one value.
   bool UniqueVNI = true;
-  VNInfo *TheVNI = 0;
+  VNInfo *TheVNI = nullptr;
 
   // Using Seen as a visited set, perform a BFS for all reaching defs.
   for (unsigned i = 0; i != WorkList.size(); ++i) {
@@ -251,7 +252,7 @@ bool LiveRangeCalc::findReachingDefs(LiveRange &LR, MachineBasicBlock &KillMBB,
          End = Kill;
        else
          LiveOut[MF->getBlockNumbered(*I)] =
-           LiveOutPair(TheVNI, (MachineDomTreeNode *)0);
+           LiveOutPair(TheVNI, nullptr);
        Updater.add(Start, End, TheVNI);
     }
     return true;
@@ -345,7 +346,7 @@ void LiveRangeCalc::updateSSA() {
         VNInfo *VNI = LR.getNextValue(Start, *Alloc);
         I->Value = VNI;
         // This block is done, we know the final value.
-        I->DomNode = 0;
+        I->DomNode = nullptr;
 
         // Add liveness since updateLiveIns now skips this node.
         if (I->Kill.isValid())