diff --git a/include/llvm-c/Core.h b/include/llvm-c/Core.h
index 3d54a216178..f155b0dbf26 100644
--- a/include/llvm-c/Core.h
+++ b/include/llvm-c/Core.h
@@ -2579,6 +2579,7 @@ LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(const char *InputData,
 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(const char *InputData,
                                                               size_t InputDataLength,
                                                               const char *BufferName);
+const char* LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf);
 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf);
 
 /**
diff --git a/lib/IR/Core.cpp b/lib/IR/Core.cpp
index e769ab4e7d0..e0f76d30dac 100644
--- a/lib/IR/Core.cpp
+++ b/lib/IR/Core.cpp
@@ -2455,6 +2455,9 @@ LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(
       StringRef(BufferName)));
 }
 
+const char* LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf) {
+  return unwrap(MemBuf)->getBufferStart();
+}
 
 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf) {
   delete unwrap(MemBuf);