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1 //===- subzero/src/IceGlobalContext.h - Global context defs -----*- C++ -*-===// | 1 //===- subzero/src/IceGlobalContext.h - Global context defs -----*- C++ -*-===// |
2 // | 2 // |
3 // The Subzero Code Generator | 3 // The Subzero Code Generator |
4 // | 4 // |
5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 // | 9 // |
10 // This file declares aspects of the compilation that persist across | 10 // This file declares aspects of the compilation that persist across |
11 // multiple functions. | 11 // multiple functions. |
12 // | 12 // |
13 //===----------------------------------------------------------------------===// | 13 //===----------------------------------------------------------------------===// |
14 | 14 |
15 #ifndef SUBZERO_SRC_ICEGLOBALCONTEXT_H | 15 #ifndef SUBZERO_SRC_ICEGLOBALCONTEXT_H |
16 #define SUBZERO_SRC_ICEGLOBALCONTEXT_H | 16 #define SUBZERO_SRC_ICEGLOBALCONTEXT_H |
17 | 17 |
18 #include "llvm/ADT/OwningPtr.h" | 18 #include "llvm/ADT/OwningPtr.h" |
19 #include "llvm/Support/Allocator.h" | 19 #include "llvm/Support/Allocator.h" |
20 #include "llvm/Support/raw_ostream.h" | 20 #include "llvm/Support/raw_ostream.h" |
21 | 21 |
22 #include "IceDefs.h" | 22 #include "IceDefs.h" |
23 #include "IceIntrinsics.h" | 23 #include "IceIntrinsics.h" |
| 24 #include "IceRNG.h" |
24 #include "IceTypes.h" | 25 #include "IceTypes.h" |
25 | 26 |
26 namespace Ice { | 27 namespace Ice { |
27 | 28 |
28 class ClFlags; | 29 class ClFlags; |
29 | 30 |
30 // TODO: Accesses to all non-const fields of GlobalContext need to | 31 // TODO: Accesses to all non-const fields of GlobalContext need to |
31 // be synchronized, especially the constant pool, the allocator, and | 32 // be synchronized, especially the constant pool, the allocator, and |
32 // the output streams. | 33 // the output streams. |
33 class GlobalContext { | 34 class GlobalContext { |
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88 // constants of a given type. | 89 // constants of a given type. |
89 ConstantList getConstantPool(Type Ty) const; | 90 ConstantList getConstantPool(Type Ty) const; |
90 | 91 |
91 const ClFlags &getFlags() const { return Flags; } | 92 const ClFlags &getFlags() const { return Flags; } |
92 | 93 |
93 // Allocate data of type T using the global allocator. | 94 // Allocate data of type T using the global allocator. |
94 template <typename T> T *allocate() { return Allocator.Allocate<T>(); } | 95 template <typename T> T *allocate() { return Allocator.Allocate<T>(); } |
95 | 96 |
96 const Intrinsics &getIntrinsicsInfo() const { return IntrinsicsInfo; } | 97 const Intrinsics &getIntrinsicsInfo() const { return IntrinsicsInfo; } |
97 | 98 |
| 99 // TODO(wala,stichnot): Make the RNG play nicely with multithreaded |
| 100 // translation. |
| 101 RandomNumberGenerator &getRNG() { return RNG; } |
| 102 |
98 private: | 103 private: |
99 Ostream *StrDump; // Stream for dumping / diagnostics | 104 Ostream *StrDump; // Stream for dumping / diagnostics |
100 Ostream *StrEmit; // Stream for code emission | 105 Ostream *StrEmit; // Stream for code emission |
101 | 106 |
102 llvm::BumpPtrAllocator Allocator; | 107 llvm::BumpPtrAllocator Allocator; |
103 VerboseMask VMask; | 108 VerboseMask VMask; |
104 llvm::OwningPtr<class ConstantPool> ConstPool; | 109 llvm::OwningPtr<class ConstantPool> ConstPool; |
105 Intrinsics IntrinsicsInfo; | 110 Intrinsics IntrinsicsInfo; |
106 const TargetArch Arch; | 111 const TargetArch Arch; |
107 const OptLevel Opt; | 112 const OptLevel Opt; |
108 const IceString TestPrefix; | 113 const IceString TestPrefix; |
109 const ClFlags &Flags; | 114 const ClFlags &Flags; |
110 bool HasEmittedFirstMethod; | 115 bool HasEmittedFirstMethod; |
| 116 RandomNumberGenerator RNG; |
111 GlobalContext(const GlobalContext &) LLVM_DELETED_FUNCTION; | 117 GlobalContext(const GlobalContext &) LLVM_DELETED_FUNCTION; |
112 GlobalContext &operator=(const GlobalContext &) LLVM_DELETED_FUNCTION; | 118 GlobalContext &operator=(const GlobalContext &) LLVM_DELETED_FUNCTION; |
113 | 119 |
114 // Private helpers for mangleName() | 120 // Private helpers for mangleName() |
115 typedef llvm::SmallVector<char, 32> ManglerVector; | 121 typedef llvm::SmallVector<char, 32> ManglerVector; |
116 void incrementSubstitutions(ManglerVector &OldName) const; | 122 void incrementSubstitutions(ManglerVector &OldName) const; |
117 }; | 123 }; |
118 | 124 |
119 } // end of namespace Ice | 125 } // end of namespace Ice |
120 | 126 |
121 #endif // SUBZERO_SRC_ICEGLOBALCONTEXT_H | 127 #endif // SUBZERO_SRC_ICEGLOBALCONTEXT_H |
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