[C++] Use 'nullptr'. Transforms edition.
llvm-svn: 207196
diff --git a/llvm/lib/Transforms/Utils/FlattenCFG.cpp b/llvm/lib/Transforms/Utils/FlattenCFG.cpp
index ffdfacd..51ead40 100644
--- a/llvm/lib/Transforms/Utils/FlattenCFG.cpp
+++ b/llvm/lib/Transforms/Utils/FlattenCFG.cpp
@@ -28,11 +28,12 @@
AliasAnalysis *AA;
/// \brief Use parallel-and or parallel-or to generate conditions for
/// conditional branches.
- bool FlattenParallelAndOr(BasicBlock *BB, IRBuilder<> &Builder, Pass *P = 0);
+ bool FlattenParallelAndOr(BasicBlock *BB, IRBuilder<> &Builder,
+ Pass *P = nullptr);
/// \brief If \param BB is the merge block of an if-region, attempt to merge
/// the if-region with an adjacent if-region upstream if two if-regions
/// contain identical instructions.
- bool MergeIfRegion(BasicBlock *BB, IRBuilder<> &Builder, Pass *P = 0);
+ bool MergeIfRegion(BasicBlock *BB, IRBuilder<> &Builder, Pass *P = nullptr);
/// \brief Compare a pair of blocks: \p Block1 and \p Block2, which
/// are from two if-regions whose entry blocks are \p Head1 and \p
/// Head2. \returns true if \p Block1 and \p Block2 contain identical
@@ -127,9 +128,9 @@
if (PHI)
return false; // For simplicity, avoid cases containing PHI nodes.
- BasicBlock *LastCondBlock = NULL;
- BasicBlock *FirstCondBlock = NULL;
- BasicBlock *UnCondBlock = NULL;
+ BasicBlock *LastCondBlock = nullptr;
+ BasicBlock *FirstCondBlock = nullptr;
+ BasicBlock *UnCondBlock = nullptr;
int Idx = -1;
// Check predecessors of \param BB.