commit f40110f4d80436071213ed7fcbe367d64aa52c71
author Craig Topper <craig.topper@gmail.com> Fri Apr 25 05:29:35 2014 +0000
committer Craig Topper <craig.topper@gmail.com> Fri Apr 25 05:29:35 2014 +0000
tree a4cc1c76e73cdf1ec551d25a89a9954a0396b34a
parent cb7d29d30cafd2ae4babb25e249d0c4b55a80dfc

[C++] Use 'nullptr'. Transforms edition.

llvm-svn: 207196

llvm/lib/Transforms/Utils/LoopUnroll.cpp

diff --git a/llvm/lib/Transforms/Utils/LoopUnroll.cpp b/llvm/lib/Transforms/Utils/LoopUnroll.cpp
index 543f774..6683248 100644
--- a/llvm/lib/Transforms/Utils/LoopUnroll.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUnroll.cpp
@@ -69,10 +69,10 @@
   // pred, and if there is only one distinct successor of the predecessor, and
   // if there are no PHI nodes.
   BasicBlock *OnlyPred = BB->getSinglePredecessor();
-  if (!OnlyPred) return 0;
+  if (!OnlyPred) return nullptr;
 
   if (OnlyPred->getTerminator()->getNumSuccessors() != 1)
-    return 0;
+    return nullptr;
 
   DEBUG(dbgs() << "Merging: " << *BB << "into: " << *OnlyPred);
 
@@ -412,7 +412,7 @@
     }
   }
 
-  DominatorTree *DT = 0;
+  DominatorTree *DT = nullptr;
   if (PP) {
     // FIXME: Reconstruct dom info, because it is not preserved properly.
     // Incrementally updating domtree after loop unrolling would be easy.
@@ -459,7 +459,7 @@
 
   Loop *OuterL = L->getParentLoop();
   // Remove the loop from the LoopPassManager if it's completely removed.
-  if (CompletelyUnroll && LPM != NULL)
+  if (CompletelyUnroll && LPM != nullptr)
     LPM->deleteLoopFromQueue(L);
 
   // If we have a pass and a DominatorTree we should re-simplify impacted loops
@@ -471,7 +471,7 @@
       OuterL = L;
     if (OuterL) {
       ScalarEvolution *SE = PP->getAnalysisIfAvailable<ScalarEvolution>();
-      simplifyLoop(OuterL, DT, LI, PP, /*AliasAnalysis*/ 0, SE);
+      simplifyLoop(OuterL, DT, LI, PP, /*AliasAnalysis*/ nullptr, SE);
       formLCSSARecursively(*OuterL, *DT, SE);
     }
   }