include/llvm/LTO/legacy/UpdateCompilerUsed.h

   1 //==------ UpdateCompilerUsed.h - LLVM Link Time Optimizer Utility --------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file declares a helper class to update llvm.compiler_used metadata.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LTO_UPDATE_COMPILER_USED_H
  14 #define LLVM_LTO_UPDATE_COMPILER_USED_H
  15
  16 #include "llvm/ADT/StringSet.h"
  17 #include "llvm/IR/GlobalValue.h"
  18
  19 namespace llvm {
  20 class Module;
  21 class TargetMachine;
  22
  23 /// Find all globals in \p TheModule that are referenced in
  24 /// \p AsmUndefinedRefs, as well as the user-supplied functions definitions that
  25 /// are also libcalls, and create or update the magic "llvm.compiler_used"
  26 /// global in \p TheModule.
  27 void updateCompilerUsed(Module &TheModule, const TargetMachine &TM,
  28                         const StringSet<> &AsmUndefinedRefs);
  29 }
  30
  31 #endif // LLVM_LTO_UPDATE_COMPILER_USED_H