1 //===- LowerAllowCheckPass.h ------------------------------------*- C++ -*-===// 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 /// \file 9 /// This file provides the interface for the pass responsible for removing 10 /// expensive ubsan checks. 11 /// 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_LOWERALLOWCHECKPASS_H 15 #define LLVM_TRANSFORMS_INSTRUMENTATION_LOWERALLOWCHECKPASS_H 16 17 #include "llvm/IR/Function.h" 18 #include "llvm/IR/PassManager.h" 19 #include "llvm/Pass.h" 20 21 namespace llvm { 22 23 // This pass is responsible for removing optional traps, like llvm.ubsantrap 24 // from the hot code. 25 class LowerAllowCheckPass : public PassInfoMixin<LowerAllowCheckPass> { 26 public: 27 struct Options { 28 std::vector<unsigned int> cutoffs; 29 }; 30 31 explicit LowerAllowCheckPass(LowerAllowCheckPass::Options Opts) 32 : Opts(std::move(Opts)) {}; 33 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 34 35 static bool IsRequested(); 36 void printPipeline(raw_ostream &OS, 37 function_ref<StringRef(StringRef)> MapClassName2PassName); 38 39 private: 40 LowerAllowCheckPass::Options Opts; 41 }; 42 43 } // namespace llvm 44 45 #endif 46