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
16namespace llvm {
17class LLVMContext;
18class MemoryBuffer;
19
20class CodeGenCoverage {
21protected:
22  BitVector RuleCoverage;
23
24public:
25  using const_covered_iterator = BitVector::const_set_bits_iterator;
26
27  CodeGenCoverage();
28
29  void setCovered(uint64_t RuleID);
30  bool isCovered(uint64_t RuleID) const;
31  iterator_range<const_covered_iterator> covered() const;
32
33  bool parse(MemoryBuffer &Buffer, StringRef BackendName);
34  bool emit(StringRef FilePrefix, StringRef BackendName) const;
35  void reset();
36};
37} // namespace llvm
38
39#endif // LLVM_SUPPORT_CODEGENCOVERAGE_H
40