[C++11] Make use of 'nullptr' in the Support library.
llvm-svn: 205697
diff --git a/llvm/lib/Support/MemoryBuffer.cpp b/llvm/lib/Support/MemoryBuffer.cpp
index 2d593a8..773ccfd 100644
--- a/llvm/lib/Support/MemoryBuffer.cpp
+++ b/llvm/lib/Support/MemoryBuffer.cpp
@@ -117,7 +117,7 @@
MemoryBuffer *MemoryBuffer::getMemBufferCopy(StringRef InputData,
StringRef BufferName) {
MemoryBuffer *Buf = getNewUninitMemBuffer(InputData.size(), BufferName);
- if (!Buf) return 0;
+ if (!Buf) return nullptr;
memcpy(const_cast<char*>(Buf->getBufferStart()), InputData.data(),
InputData.size());
return Buf;
@@ -137,7 +137,7 @@
RoundUpToAlignment(sizeof(MemoryBufferMem) + BufferName.size() + 1, 16);
size_t RealLen = AlignedStringLen + Size + 1;
char *Mem = static_cast<char*>(operator new(RealLen, std::nothrow));
- if (!Mem) return 0;
+ if (!Mem) return nullptr;
// The name is stored after the class itself.
CopyStringRef(Mem + sizeof(MemoryBufferMem), BufferName);
@@ -155,7 +155,7 @@
/// the MemoryBuffer object.
MemoryBuffer *MemoryBuffer::getNewMemBuffer(size_t Size, StringRef BufferName) {
MemoryBuffer *SB = getNewUninitMemBuffer(Size, BufferName);
- if (!SB) return 0;
+ if (!SB) return nullptr;
memset(const_cast<char*>(SB->getBufferStart()), 0, Size);
return SB;
}