[C++] Use 'nullptr'.

llvm-svn: 207394

3 files changed, 4 insertions, 4 deletions

diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
index e7156fd6b60..06ee1f07f19 100644
--- a/llvm/lib/Transforms/Scalar/GVN.cpp
+++ b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -214,7 +214,7 @@ Expression ValueTable::create_cmp_expression(unsigned Opcode,
 }
 
 Expression ValueTable::create_extractvalue_expression(ExtractValueInst *EI) {
-  assert(EI != 0 && "Not an ExtractValueInst?");
+  assert(EI && "Not an ExtractValueInst?");
   Expression e;
   e.type = EI->getType();
   e.opcode = 0;
diff --git a/llvm/lib/Transforms/Scalar/LICM.cpp b/llvm/lib/Transforms/Scalar/LICM.cpp
index 4b7303c4ef1..0a8d16f49e0 100644
--- a/llvm/lib/Transforms/Scalar/LICM.cpp
+++ b/llvm/lib/Transforms/Scalar/LICM.cpp
@@ -335,7 +335,7 @@ bool LICM::runOnLoop(Loop *L, LPPassManager &LPM) {
 /// iteration.
 ///
 void LICM::SinkRegion(DomTreeNode *N) {
-  assert(N != 0 && "Null dominator tree node?");
+  assert(N != nullptr && "Null dominator tree node?");
   BasicBlock *BB = N->getBlock();
 
   // If this subregion is not in the top level loop at all, exit.
@@ -382,7 +382,7 @@ void LICM::SinkRegion(DomTreeNode *N) {
 /// before uses, allowing us to hoist a loop body in one pass without iteration.
 ///
 void LICM::HoistRegion(DomTreeNode *N) {
-  assert(N != 0 && "Null dominator tree node?");
+  assert(N != nullptr && "Null dominator tree node?");
   BasicBlock *BB = N->getBlock();
 
   // If this subregion is not in the top level loop at all, exit.
diff --git a/llvm/lib/Transforms/Scalar/SCCP.cpp b/llvm/lib/Transforms/Scalar/SCCP.cpp
index c4ce074ded2..feeb23136ea 100644
--- a/llvm/lib/Transforms/Scalar/SCCP.cpp
+++ b/llvm/lib/Transforms/Scalar/SCCP.cpp
@@ -627,7 +627,7 @@ bool SCCPSolver::isEdgeFeasible(BasicBlock *From, BasicBlock *To) {
 #ifndef NDEBUG
   dbgs() << "Unknown terminator instruction: " << *TI << '\n';
 #endif
-  llvm_unreachable(0);
+  llvm_unreachable(nullptr);
 }
 
 // visit Implementations - Something changed in this instruction, either an