Add MemoryBuffer::getBufferKind() to report whether a memory buffer uses malloc'ed or mmap'ed memory. This is for performance analysis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130432 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/MemoryBuffer.cpp b/lib/Support/MemoryBuffer.cpp
index ea72720..e2b5b7a 100644
--- a/lib/Support/MemoryBuffer.cpp
+++ b/lib/Support/MemoryBuffer.cpp
@@ -86,6 +86,10 @@
// The name is stored after the class itself.
return reinterpret_cast<const char*>(this + 1);
}
+
+ virtual BufferKind getBufferKind() const {
+ return MemoryBuffer_Malloc;
+ }
};
}
@@ -191,6 +195,10 @@
sys::Path::UnMapFilePages(reinterpret_cast<const char*>(RealStart),
RealSize);
}
+
+ virtual BufferKind getBufferKind() const {
+ return MemoryBuffer_MMap;
+ }
};
}