1 //==------ UpdateCompilerUsed.h - LLVM Link Time Optimizer Utility --------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file declares a helper class to update llvm.compiler_used metadata. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LTO_UPDATE_COMPILER_USED_H 15 #define LLVM_LTO_UPDATE_COMPILER_USED_H 16 17 #include "llvm/ADT/StringSet.h" 18 #include "llvm/IR/GlobalValue.h" 19 20 namespace llvm { 21 class Module; 22 class TargetMachine; 23 24 /// Find all globals in \p TheModule that are referenced in 25 /// \p AsmUndefinedRefs, as well as the user-supplied functions definitions that 26 /// are also libcalls, and create or update the magic "llvm.compiler_used" 27 /// global in \p TheModule. 28 void updateCompilerUsed(Module &TheModule, const TargetMachine &TM, 29 const StringSet<> &AsmUndefinedRefs); 30 } 31 32 #endif // LLVM_LTO_UPDATE_COMPILER_USED_H 33