Bring in a BumpPtrStringSaver from lld and simplify the interface.
StringSaver now always saves to a BumpPtrAllocator.
The only reason for having the virtual saveImpl is so lld can have a
thread safe version.
The reason for the distinct BumpPtrStringSaver class is to avoid the
virtual destructor.
llvm-svn: 239669
diff --git a/llvm/lib/Support/StringSaver.cpp b/llvm/lib/Support/StringSaver.cpp
new file mode 100644
index 0000000..d6b84e5
--- /dev/null
+++ b/llvm/lib/Support/StringSaver.cpp
@@ -0,0 +1,19 @@
+//===-- StringSaver.cpp ---------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/StringSaver.h"
+
+using namespace llvm;
+
+const char *StringSaver::saveImpl(StringRef S) {
+ char *P = Alloc.Allocate<char>(S.size() + 1);
+ memcpy(P, S.data(), S.size());
+ P[S.size()] = '\0';
+ return P;
+}