diff --git a/llvm/include/llvm/Support/Compression.h b/llvm/include/llvm/Support/Compression.h
--- a/llvm/include/llvm/Support/Compression.h
+++ b/llvm/include/llvm/Support/Compression.h
@@ -24,6 +24,7 @@
 
 namespace zlib {
 
+static constexpr StringRef AlgorithmName = "zlib";
 static constexpr int NoCompression = 0;
 static constexpr int BestSpeedCompression = 1;
 static constexpr int DefaultCompression = 6;
@@ -45,6 +46,7 @@
 
 namespace zstd {
 
+static constexpr StringRef AlgorithmName = "zstd";
 static constexpr int NoCompression = -5;
 static constexpr int BestSpeedCompression = 1;
 static constexpr int DefaultCompression = 5;