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