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

[oota-llvm.git] / lib / Transforms / ObjCARC / ObjCARCContract.cpp

diff --git a/lib/Transforms/ObjCARC/ObjCARCContract.cpp b/lib/Transforms/ObjCARC/ObjCARCContract.cpp
index c441d861ef581d6cf76d947f5ddbae4a56ce365a..f48d53d11b7104724f1642c0c7032c28dd7d2607 100644 (file)
--- a/lib/Transforms/ObjCARC/ObjCARCContract.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCContract.cpp
@@ -158,7 +158,7 @@ ObjCARCContract::ContractAutorelease(Function &F, Instruction *Autorelease,
 
   // Check that there are no instructions between the retain and the autorelease
   // (such as an autorelease_pop) which may change the count.
-  CallInst *Retain = 0;
+  CallInst *Retain = nullptr;
   if (Class == IC_AutoreleaseRV)
     FindDependencies(RetainAutoreleaseRVDep, Arg,
                      Autorelease->getParent(), Autorelease,
@@ -219,7 +219,7 @@ void ObjCARCContract::ContractRelease(Instruction *Release,
   BasicBlock::iterator I = Load, End = BB->end();
   ++I;
   AliasAnalysis::Location Loc = AA->getLocation(Load);
-  StoreInst *Store = 0;
+  StoreInst *Store = nullptr;
   bool SawRelease = false;
   for (; !Store || !SawRelease; ++I) {
     if (I == End)
@@ -301,7 +301,7 @@ bool ObjCARCContract::doInitialization(Module &M) {
   EP.Initialize(&M);
 
   // Initialize RetainRVMarker.
-  RetainRVMarker = 0;
+  RetainRVMarker = nullptr;
   if (NamedMDNode *NMD =
         M.getNamedMetadata("clang.arc.retainAutoreleasedReturnValueMarker"))
     if (NMD->getNumOperands() == 1) {