contrib/llvm/include/llvm/Support/CodeGenCoverage.h

   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 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