[C++] Use 'nullptr'.

llvm-svn: 207394

3 files changed, 4 insertions, 4 deletions

diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
index dbe48972133..20681a93ff5 100644
--- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
+++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -217,7 +217,7 @@ void llvm::ReplaceInstWithValue(BasicBlock::InstListType &BIL,
 ///
 void llvm::ReplaceInstWithInst(BasicBlock::InstListType &BIL,
                                BasicBlock::iterator &BI, Instruction *I) {
-  assert(I->getParent() == 0 &&
+  assert(I->getParent() == nullptr &&
          "ReplaceInstWithInst: Instruction already inserted into basic block!");
 
   // Insert the new instruction into the basic block...
diff --git a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp
index d1ea2d6be64..5bef091a499 100644
--- a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp
@@ -59,7 +59,7 @@ static void ConnectProlog(Loop *L, Value *TripCount, unsigned Count,
                           BasicBlock *OrigPH, BasicBlock *NewPH,
                           ValueToValueMapTy &LVMap, Pass *P) {
   BasicBlock *Latch = L->getLoopLatch();
-  assert(Latch != 0 && "Loop must have a latch");
+  assert(Latch && "Loop must have a latch");
 
   // Create a PHI node for each outgoing value from the original loop
   // (which means it is an outgoing value from the prolog code too).
@@ -111,7 +111,7 @@ static void ConnectProlog(Loop *L, Value *TripCount, unsigned Count,
     new ICmpInst(InsertPt, ICmpInst::ICMP_ULT, TripCount,
                  ConstantInt::get(TripCount->getType(), Count));
   BasicBlock *Exit = L->getUniqueExitBlock();
-  assert(Exit != 0 && "Loop must have a single exit block only");
+  assert(Exit && "Loop must have a single exit block only");
   // Split the exit to maintain loop canonicalization guarantees
   SmallVector<BasicBlock*, 4> Preds(pred_begin(Exit), pred_end(Exit));
   if (!Exit->isLandingPad()) {
diff --git a/llvm/lib/Transforms/Utils/SSAUpdater.cpp b/llvm/lib/Transforms/Utils/SSAUpdater.cpp
index 44dc7b7ec8f..3fcb789bd84 100644
--- a/llvm/lib/Transforms/Utils/SSAUpdater.cpp
+++ b/llvm/lib/Transforms/Utils/SSAUpdater.cpp
@@ -55,7 +55,7 @@ bool SSAUpdater::HasValueForBlock(BasicBlock *BB) const {
 }
 
 void SSAUpdater::AddAvailableValue(BasicBlock *BB, Value *V) {
-  assert(ProtoType != 0 && "Need to initialize SSAUpdater");
+  assert(ProtoType && "Need to initialize SSAUpdater");
   assert(ProtoType == V->getType() &&
          "All rewritten values must have the same type");
   getAvailableVals(AV)[BB] = V;