diff options
Diffstat (limited to 'include/llvm/Support/MemoryBuffer.h')
| -rw-r--r-- | include/llvm/Support/MemoryBuffer.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/include/llvm/Support/MemoryBuffer.h b/include/llvm/Support/MemoryBuffer.h index 9a2aff0..5e55bd9 100644 --- a/include/llvm/Support/MemoryBuffer.h +++ b/include/llvm/Support/MemoryBuffer.h @@ -81,7 +81,7 @@ public: bool RequiresNullTerminator = true); /// getMemBuffer - Open the specified memory range as a MemoryBuffer. Note - /// that InputData must be null terminated. + /// that InputData must be null terminated if RequiresNullTerminator is true. static MemoryBuffer *getMemBuffer(StringRef InputData, StringRef BufferName = "", bool RequiresNullTerminator = true); @@ -119,6 +119,21 @@ public: static error_code getFileOrSTDIN(const char *Filename, OwningPtr<MemoryBuffer> &result, int64_t FileSize = -1); + + + //===--------------------------------------------------------------------===// + // Provided for performance analysis. + //===--------------------------------------------------------------------===// + + /// The kind of memory backing used to support the MemoryBuffer. + enum BufferKind { + MemoryBuffer_Malloc, + MemoryBuffer_MMap + }; + + /// Return information on the memory mechanism used to support the + /// MemoryBuffer. + virtual BufferKind getBufferKind() const = 0; }; } // end namespace llvm |