1b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Copyright 2014 the V8 project authors. All rights reserved. 2b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Use of this source code is governed by a BSD-style license that can be 3b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// found in the LICENSE file. 4b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 5b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#ifndef V8_COMPILER_COMMON_NODE_CACHE_H_ 6b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#define V8_COMPILER_COMMON_NODE_CACHE_H_ 7b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 8b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/compiler/node-cache.h" 9b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 10b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace v8 { 11b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace internal { 12958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 13958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier// Forward declarations. 14958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernierclass ExternalReference; 15014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdochclass HeapObject; 16014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdochtemplate <typename> 17014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdochclass Handle; 18958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 19958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 20b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace compiler { 21b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 22b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Bundles various caches for common nodes. 23014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdochclass CommonNodeCache final { 24b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch public: 25b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch explicit CommonNodeCache(Zone* zone) : zone_(zone) {} 26958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier ~CommonNodeCache() {} 27b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 28b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Node** FindInt32Constant(int32_t value) { 29958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier return int32_constants_.Find(zone(), value); 30958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier } 31958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 32958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier Node** FindInt64Constant(int64_t value) { 33958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier return int64_constants_.Find(zone(), value); 34958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier } 35958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 36958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier Node** FindFloat32Constant(float value) { 37958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier // We canonicalize float constants at the bit representation level. 38958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier return float32_constants_.Find(zone(), bit_cast<int32_t>(value)); 39b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 40b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 41b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Node** FindFloat64Constant(double value) { 42b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // We canonicalize double constants at the bit representation level. 43958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier return float64_constants_.Find(zone(), bit_cast<int64_t>(value)); 44b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 45b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 46958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier Node** FindExternalConstant(ExternalReference value); 47b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 48c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch Node** FindPointerConstant(intptr_t value) { 49c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch return pointer_constants_.Find(zone(), value); 50c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch } 51c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch 52b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Node** FindNumberConstant(double value) { 53b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // We canonicalize double constants at the bit representation level. 54958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier return number_constants_.Find(zone(), bit_cast<int64_t>(value)); 55b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 56b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 57014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch Node** FindHeapConstant(Handle<HeapObject> value); 58014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch 5913e2dadd00298019ed862f2b2fc5068bba730bcfBen Murdoch Node** FindRelocatableInt32Constant(int32_t value, RelocInfoMode rmode) { 6013e2dadd00298019ed862f2b2fc5068bba730bcfBen Murdoch return relocatable_int32_constants_.Find(zone(), 6113e2dadd00298019ed862f2b2fc5068bba730bcfBen Murdoch std::make_pair(value, rmode)); 62bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch } 63bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch 6413e2dadd00298019ed862f2b2fc5068bba730bcfBen Murdoch Node** FindRelocatableInt64Constant(int64_t value, RelocInfoMode rmode) { 6513e2dadd00298019ed862f2b2fc5068bba730bcfBen Murdoch return relocatable_int64_constants_.Find(zone(), 6613e2dadd00298019ed862f2b2fc5068bba730bcfBen Murdoch std::make_pair(value, rmode)); 67bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch } 68bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch 69958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier // Return all nodes from the cache. 70958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier void GetCachedNodes(ZoneVector<Node*>* nodes); 71958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 72b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Zone* zone() const { return zone_; } 73b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 74b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch private: 75b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Int32NodeCache int32_constants_; 76958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier Int64NodeCache int64_constants_; 77958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier Int32NodeCache float32_constants_; 78b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Int64NodeCache float64_constants_; 79958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier IntPtrNodeCache external_constants_; 80c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch IntPtrNodeCache pointer_constants_; 81b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Int64NodeCache number_constants_; 82014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch IntPtrNodeCache heap_constants_; 8313e2dadd00298019ed862f2b2fc5068bba730bcfBen Murdoch RelocInt32NodeCache relocatable_int32_constants_; 8413e2dadd00298019ed862f2b2fc5068bba730bcfBen Murdoch RelocInt64NodeCache relocatable_int64_constants_; 85014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch Zone* const zone_; 86958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 87958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier DISALLOW_COPY_AND_ASSIGN(CommonNodeCache); 88b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch}; 89958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 90958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier} // namespace compiler 91958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier} // namespace internal 92958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier} // namespace v8 93b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 94b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#endif // V8_COMPILER_COMMON_NODE_CACHE_H_ 95