include/llvm/Support/CodeGenCoverage.h

   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