Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 31 insertions, 0 deletions

diff --git a/clang-r353983/include/llvm/LTO/legacy/UpdateCompilerUsed.h b/clang-r353983/include/llvm/LTO/legacy/UpdateCompilerUsed.h
new file mode 100644
index 00000000..af9d62b4
--- /dev/null
+++ b/clang-r353983/include/llvm/LTO/legacy/UpdateCompilerUsed.h
@@ -0,0 +1,31 @@
+//==------ UpdateCompilerUsed.h - LLVM Link Time Optimizer Utility --------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares a helper class to update llvm.compiler_used metadata.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LTO_UPDATE_COMPILER_USED_H
+#define LLVM_LTO_UPDATE_COMPILER_USED_H
+
+#include "llvm/ADT/StringSet.h"
+#include "llvm/IR/GlobalValue.h"
+
+namespace llvm {
+class Module;
+class TargetMachine;
+
+/// Find all globals in \p TheModule that are referenced in
+/// \p AsmUndefinedRefs, as well as the user-supplied functions definitions that
+/// are also libcalls, and create or update the magic "llvm.compiler_used"
+/// global in \p TheModule.
+void updateCompilerUsed(Module &TheModule, const TargetMachine &TM,
+                        const StringSet<> &AsmUndefinedRefs);
+}
+
+#endif // LLVM_LTO_UPDATE_COMPILER_USED_H