commit c0196b1b4094aeb27fd91466e0c4c1185a492daa
author Craig Topper <craig.topper@gmail.com> Mon Apr 14 00:51:57 2014 +0000
committer Craig Topper <craig.topper@gmail.com> Mon Apr 14 00:51:57 2014 +0000
tree 3a3d0ad3aebec28bee34ab7808fee8e75e567eb8
parent 0192cbac6669fb9fff8cf9a75d53757a494af9ca

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

llvm-svn: 206142

llvm/lib/CodeGen/LiveIntervalAnalysis.cpp

diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index fdc673f..6bec391 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -79,7 +79,7 @@
 }
 
 LiveIntervals::LiveIntervals() : MachineFunctionPass(ID),
-  DomTree(0), LRCalc(0) {
+  DomTree(nullptr), LRCalc(nullptr) {
   initializeLiveIntervalsPass(*PassRegistry::getPassRegistry());
 }
 
@@ -572,9 +572,9 @@
         break;
       }
       if (CancelKill)
-        MI->clearRegisterKills(Reg, NULL);
+        MI->clearRegisterKills(Reg, nullptr);
       else
-        MI->addRegisterKilled(Reg, NULL);
+        MI->addRegisterKilled(Reg, nullptr);
     }
   }
 }
@@ -590,17 +590,17 @@
 
   SlotIndex Start = LI.beginIndex();
   if (Start.isBlock())
-    return NULL;
+    return nullptr;
 
   SlotIndex Stop = LI.endIndex();
   if (Stop.isBlock())
-    return NULL;
+    return nullptr;
 
   // getMBBFromIndex doesn't need to search the MBB table when both indexes
   // belong to proper instructions.
   MachineBasicBlock *MBB1 = Indexes->getMBBFromIndex(Start);
   MachineBasicBlock *MBB2 = Indexes->getMBBFromIndex(Stop);
-  return MBB1 == MBB2 ? MBB1 : NULL;
+  return MBB1 == MBB2 ? MBB1 : nullptr;
 }
 
 bool