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| 1 //===- subzero/src/IceRangeSpec.h - Include/exclude specs -------*- C++ -*-===// |
| 2 // |
| 3 // The Subzero Code Generator |
| 4 // |
| 5 // This file is distributed under the University of Illinois Open Source |
| 6 // License. See LICENSE.TXT for details. |
| 7 // |
| 8 //===----------------------------------------------------------------------===// |
| 9 /// |
| 10 /// \file |
| 11 /// \brief Declares a class for specifying inclusion/exclusion of values, such |
| 12 /// as functions to match. |
| 13 /// |
| 14 //===----------------------------------------------------------------------===// |
| 15 |
| 16 #ifndef SUBZERO_SRC_ICERANGESPEC_H |
| 17 #define SUBZERO_SRC_ICERANGESPEC_H |
| 18 |
| 19 #include "IceStringPool.h" |
| 20 |
| 21 #include <string> |
| 22 #include <unordered_set> |
| 23 #include <vector> |
| 24 |
| 25 #include "llvm/ADT/BitVector.h" |
| 26 |
| 27 namespace Ice { |
| 28 |
| 29 class RangeSpec { |
| 30 RangeSpec(const RangeSpec &) = delete; |
| 31 RangeSpec &operator=(const RangeSpec &) = delete; |
| 32 |
| 33 public: |
| 34 static constexpr char DELIM_LIST = ','; |
| 35 static constexpr char DELIM_RANGE = ':'; |
| 36 static constexpr uint32_t RangeMax = std::numeric_limits<uint32_t>::max(); |
| 37 RangeSpec() = default; |
| 38 struct Desc { |
| 39 // Set of names explicitly provided. |
| 40 std::unordered_set<std::string> Names; |
| 41 // Set of numbers explicitly provided. |
| 42 llvm::BitVector Numbers; |
| 43 // The smallest X for which the open-ended interval "X:" was provided. This |
| 44 // is needed because the intervals are parsed before we know the largest |
| 45 // number that might be matched against, and we can't make the Numbers |
| 46 // bitvector infinitely long. |
| 47 uint32_t AllFrom = RangeMax; |
| 48 // Whether a clause was explicitly provided. |
| 49 bool IsExplicit = false; |
| 50 }; |
| 51 void init(const std::string &Spec); |
| 52 bool match(const std::string &Name, uint32_t Number) const; |
| 53 bool match(GlobalString Name, uint32_t Number) const { |
| 54 return match(Name.toStringOrEmpty(), Number); |
| 55 } |
| 56 // Returns true if any RangeSpec object has had init() called with an explicit |
| 57 // name rather than (or in addition to) a numeric range. If so, we want to |
| 58 // construct explicit names for functions even in a non-DUMP build so that |
| 59 // matching on function name works correctly. Note that this is not |
| 60 // thread-safe, so we count on all this being handled by the startup thread. |
| 61 static bool hasNames() { return HasNames; } |
| 62 |
| 63 private: |
| 64 void include(const std::string &Token); |
| 65 void exclude(const std::string &Token); |
| 66 Desc Includes; |
| 67 Desc Excludes; |
| 68 static bool HasNames; |
| 69 }; |
| 70 |
| 71 } // end of namespace Ice |
| 72 |
| 73 #endif // SUBZERO_SRC_ICERANGESPEC_H |
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