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1 //===- subzero/src/IceDefs.h - Common Subzero declarations ------*- C++ -*-===// | 1 //===- subzero/src/IceDefs.h - Common Subzero declarations ------*- 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 /// \file | 10 /// \file |
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42 #include <string> | 42 #include <string> |
43 #include <system_error> | 43 #include <system_error> |
44 #include <unordered_map> | 44 #include <unordered_map> |
45 #include <unordered_set> | 45 #include <unordered_set> |
46 #include <utility> | 46 #include <utility> |
47 #include <vector> | 47 #include <vector> |
48 | 48 |
49 namespace Ice { | 49 namespace Ice { |
50 | 50 |
51 class Assembler; | 51 class Assembler; |
52 class BitVector; | 52 template <template <typename> class> class BitVectorTmpl; |
53 class Cfg; | 53 class Cfg; |
54 class CfgNode; | 54 class CfgNode; |
55 class Constant; | 55 class Constant; |
56 class ELFObjectWriter; | 56 class ELFObjectWriter; |
57 class ELFStreamer; | 57 class ELFStreamer; |
58 class FunctionDeclaration; | 58 class FunctionDeclaration; |
59 class GlobalContext; | 59 class GlobalContext; |
60 class GlobalDeclaration; | 60 class GlobalDeclaration; |
61 class Inst; | 61 class Inst; |
62 class InstAssign; | 62 class InstAssign; |
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265 std::vector<ArenaPtr> MergedArenas; | 265 std::vector<ArenaPtr> MergedArenas; |
266 }; | 266 }; |
267 | 267 |
268 /// InstNumberT is for holding an instruction number. Instruction numbers are | 268 /// InstNumberT is for holding an instruction number. Instruction numbers are |
269 /// used for representing Variable live ranges. | 269 /// used for representing Variable live ranges. |
270 using InstNumberT = int32_t; | 270 using InstNumberT = int32_t; |
271 | 271 |
272 /// A LiveBeginEndMapEntry maps a Variable::Number value to an Inst::Number | 272 /// A LiveBeginEndMapEntry maps a Variable::Number value to an Inst::Number |
273 /// value, giving the instruction number that begins or ends a variable's live | 273 /// value, giving the instruction number that begins or ends a variable's live |
274 /// range. | 274 /// range. |
| 275 template <typename T> |
| 276 using LivenessVector = std::vector<T, LivenessAllocator<T>>; |
275 using LiveBeginEndMapEntry = std::pair<SizeT, InstNumberT>; | 277 using LiveBeginEndMapEntry = std::pair<SizeT, InstNumberT>; |
276 using LiveBeginEndMap = CfgVector<LiveBeginEndMapEntry>; | 278 using LiveBeginEndMap = LivenessVector<LiveBeginEndMapEntry>; |
277 using LivenessBV = BitVector; | 279 using LivenessBV = BitVectorTmpl<LivenessAllocator>; |
278 | 280 |
279 using TimerStackIdT = uint32_t; | 281 using TimerStackIdT = uint32_t; |
280 using TimerIdT = uint32_t; | 282 using TimerIdT = uint32_t; |
281 | 283 |
282 /// Use alignas(MaxCacheLineSize) to isolate variables/fields that might be | 284 /// Use alignas(MaxCacheLineSize) to isolate variables/fields that might be |
283 /// contended while multithreading. Assumes the maximum cache line size is 64. | 285 /// contended while multithreading. Assumes the maximum cache line size is 64. |
284 enum { MaxCacheLineSize = 64 }; | 286 enum { MaxCacheLineSize = 64 }; |
285 // Use ICE_CACHELINE_BOUNDARY to force the next field in a declaration | 287 // Use ICE_CACHELINE_BOUNDARY to force the next field in a declaration |
286 // list to be aligned to the next cache line. | 288 // list to be aligned to the next cache line. |
287 // Note: zero is added to work around the following GCC 4.8 bug (fixed in 4.9): | 289 // Note: zero is added to work around the following GCC 4.8 bug (fixed in 4.9): |
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430 RPE_PooledConstantReordering, | 432 RPE_PooledConstantReordering, |
431 RPE_RegAllocRandomization, | 433 RPE_RegAllocRandomization, |
432 RPE_num | 434 RPE_num |
433 }; | 435 }; |
434 | 436 |
435 using RelocOffsetArray = llvm::SmallVector<class RelocOffset *, 4>; | 437 using RelocOffsetArray = llvm::SmallVector<class RelocOffset *, 4>; |
436 | 438 |
437 } // end of namespace Ice | 439 } // end of namespace Ice |
438 | 440 |
439 #endif // SUBZERO_SRC_ICEDEFS_H | 441 #endif // SUBZERO_SRC_ICEDEFS_H |
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