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 LLVMContext;
18 class MemoryBuffer;
19 
20 class CodeGenCoverage {
21 protected:
22   BitVector RuleCoverage;
23 
24 public:
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 // ifndef LLVM_SUPPORT_CODEGENCOVERAGE_H
40