1 //== llvm/Support/CodeGenCoverage.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 This file provides rule coverage tracking for tablegen-erated CodeGen. 9 //===----------------------------------------------------------------------===// 10 11 #ifndef LLVM_SUPPORT_CODEGENCOVERAGE_H 12 #define LLVM_SUPPORT_CODEGENCOVERAGE_H 13 14 #include "llvm/ADT/BitVector.h" 15 16 namespace llvm { 17 class MemoryBuffer; 18 19 class CodeGenCoverage { 20 protected: 21 BitVector RuleCoverage; 22 23 public: 24 using const_covered_iterator = BitVector::const_set_bits_iterator; 25 26 CodeGenCoverage(); 27 28 void setCovered(uint64_t RuleID); 29 bool isCovered(uint64_t RuleID) const; 30 iterator_range<const_covered_iterator> covered() const; 31 32 bool parse(MemoryBuffer &Buffer, StringRef BackendName); 33 bool emit(StringRef FilePrefix, StringRef BackendName) const; 34 void reset(); 35 }; 36 } // namespace llvm 37 38 #endif // LLVM_SUPPORT_CODEGENCOVERAGE_H 39