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

[oota-llvm.git] / lib / Transforms / Scalar / LowerAtomic.cpp

diff --git a/lib/Transforms/Scalar/LowerAtomic.cpp b/lib/Transforms/Scalar/LowerAtomic.cpp
index b28c29f40d9b68c1e3167b43efbfc9ecfeee83e1..4251ac47ed51b3ba2e46b7318525aace4fe1a444 100644 (file)
--- a/lib/Transforms/Scalar/LowerAtomic.cpp
+++ b/lib/Transforms/Scalar/LowerAtomic.cpp
@@ -12,7 +12,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "loweratomic"
 #include "llvm/Transforms/Scalar.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/IRBuilder.h"
@@ -20,6 +19,8 @@
 #include "llvm/Pass.h"
 using namespace llvm;
 
+#define DEBUG_TYPE "loweratomic"
+
 static bool LowerAtomicCmpXchgInst(AtomicCmpXchgInst *CXI) {
   IRBuilder<> Builder(CXI->getParent(), CXI);
   Value *Ptr = CXI->getPointerOperand();
@@ -42,7 +43,7 @@ static bool LowerAtomicRMWInst(AtomicRMWInst *RMWI) {
   Value *Val = RMWI->getValOperand();
 
   LoadInst *Orig = Builder.CreateLoad(Ptr);
-  Value *Res = NULL;
+  Value *Res = nullptr;
 
   switch (RMWI->getOperation()) {
   default: llvm_unreachable("Unexpected RMW operation");
@@ -111,7 +112,7 @@ namespace {
     LowerAtomic() : BasicBlockPass(ID) {
       initializeLowerAtomicPass(*PassRegistry::getPassRegistry());
     }
-    bool runOnBasicBlock(BasicBlock &BB) {
+    bool runOnBasicBlock(BasicBlock &BB) override {
       if (skipOptnoneFunction(BB))
         return false;
       bool Changed = false;