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       1             : //== llvm/Support/CodeGenCoverage.h ------------------------------*- C++ -*-==//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : /// \file This file provides rule coverage tracking for tablegen-erated CodeGen.
      10             : //===----------------------------------------------------------------------===//
      11             : 
      12             : #ifndef LLVM_SUPPORT_CODEGENCOVERAGE_H
      13             : #define LLVM_SUPPORT_CODEGENCOVERAGE_H
      14             : 
      15             : #include "llvm/ADT/BitVector.h"
      16             : 
      17             : namespace llvm {
      18             : class LLVMContext;
      19             : class MemoryBuffer;
      20             : 
      21           0 : class CodeGenCoverage {
      22             : protected:
      23             :   BitVector RuleCoverage;
      24             : 
      25             : public:
      26             :   using const_covered_iterator = BitVector::const_set_bits_iterator;
      27             : 
      28             :   CodeGenCoverage();
      29             : 
      30             :   void setCovered(uint64_t RuleID);
      31             :   bool isCovered(uint64_t RuleID) const;
      32             :   iterator_range<const_covered_iterator> covered() const;
      33             : 
      34             :   bool parse(MemoryBuffer &Buffer, StringRef BackendName);
      35             :   bool emit(StringRef FilePrefix, StringRef BackendName) const;
      36             :   void reset();
      37             : };
      38             : } // namespace llvm
      39             : 
      40             : #endif // ifndef LLVM_SUPPORT_CODEGENCOVERAGE_H