Add MemoryBufferRef(MemoryBuffer&) constructor.
patch by Jonathan Anderson!
llvm-svn: 253311
diff --git a/llvm/include/llvm/Support/MemoryBuffer.h b/llvm/include/llvm/Support/MemoryBuffer.h
index 4aeca0c..d6ff69d 100644
--- a/llvm/include/llvm/Support/MemoryBuffer.h
+++ b/llvm/include/llvm/Support/MemoryBuffer.h
@@ -152,6 +152,8 @@
public:
MemoryBufferRef() {}
+ MemoryBufferRef(MemoryBuffer& Buffer)
+ : Buffer(Buffer.getBuffer()), Identifier(Buffer.getBufferIdentifier()) {}
MemoryBufferRef(StringRef Buffer, StringRef Identifier)
: Buffer(Buffer), Identifier(Identifier) {}
diff --git a/llvm/unittests/Support/MemoryBufferTest.cpp b/llvm/unittests/Support/MemoryBufferTest.cpp
index ffb809a..ffbd74d 100644
--- a/llvm/unittests/Support/MemoryBufferTest.cpp
+++ b/llvm/unittests/Support/MemoryBufferTest.cpp
@@ -170,6 +170,15 @@
}
+TEST_F(MemoryBufferTest, reference) {
+ OwningBuffer MB(MemoryBuffer::getMemBuffer(data));
+ MemoryBufferRef MBR(*MB);
+
+ EXPECT_EQ(MB->getBufferStart(), MBR.getBufferStart());
+ EXPECT_EQ(MB->getBufferIdentifier(), MBR.getBufferIdentifier());
+}
+
+
TEST_F(MemoryBufferTest, slice) {
// Create a file that is six pages long with different data on each page.
int FD;