Mercurial > hg > graal-compiler
comparison src/share/vm/shark/sharkBuilder.hpp @ 1692:d2ede61b7a12
6976186: integrate Shark HotSpot changes
Summary: Shark is a JIT compiler for Zero that uses the LLVM compiler infrastructure.
Reviewed-by: kvn, twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
author | twisti |
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date | Wed, 11 Aug 2010 05:51:21 -0700 |
parents | |
children | f95d63e2154a |
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1691:4a665be40fd3 | 1692:d2ede61b7a12 |
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1 /* | |
2 * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved. | |
3 * Copyright 2008, 2009, 2010 Red Hat, Inc. | |
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
21 * or visit www.oracle.com if you need additional information or have any | |
22 * questions. | |
23 * | |
24 */ | |
25 | |
26 class SharkBuilder : public llvm::IRBuilder<> { | |
27 friend class SharkCompileInvariants; | |
28 | |
29 public: | |
30 SharkBuilder(SharkCodeBuffer* code_buffer); | |
31 | |
32 // The code buffer we are building into. | |
33 private: | |
34 SharkCodeBuffer* _code_buffer; | |
35 | |
36 protected: | |
37 SharkCodeBuffer* code_buffer() const { | |
38 return _code_buffer; | |
39 } | |
40 | |
41 // Helpers for accessing structures. | |
42 public: | |
43 llvm::Value* CreateAddressOfStructEntry(llvm::Value* base, | |
44 ByteSize offset, | |
45 const llvm::Type* type, | |
46 const char *name = ""); | |
47 llvm::LoadInst* CreateValueOfStructEntry(llvm::Value* base, | |
48 ByteSize offset, | |
49 const llvm::Type* type, | |
50 const char *name = ""); | |
51 | |
52 // Helpers for accessing arrays. | |
53 public: | |
54 llvm::LoadInst* CreateArrayLength(llvm::Value* arrayoop); | |
55 llvm::Value* CreateArrayAddress(llvm::Value* arrayoop, | |
56 const llvm::Type* element_type, | |
57 int element_bytes, | |
58 ByteSize base_offset, | |
59 llvm::Value* index, | |
60 const char* name = ""); | |
61 llvm::Value* CreateArrayAddress(llvm::Value* arrayoop, | |
62 BasicType basic_type, | |
63 ByteSize base_offset, | |
64 llvm::Value* index, | |
65 const char* name = ""); | |
66 llvm::Value* CreateArrayAddress(llvm::Value* arrayoop, | |
67 BasicType basic_type, | |
68 llvm::Value* index, | |
69 const char* name = ""); | |
70 | |
71 // Helpers for creating intrinsics and external functions. | |
72 private: | |
73 static const llvm::Type* make_type(char type, bool void_ok); | |
74 static const llvm::FunctionType* make_ftype(const char* params, | |
75 const char* ret); | |
76 llvm::Value* make_function(const char* name, | |
77 const char* params, | |
78 const char* ret); | |
79 llvm::Value* make_function(address func, | |
80 const char* params, | |
81 const char* ret); | |
82 | |
83 // Intrinsics and external functions, part 1: VM calls. | |
84 // These are functions declared with JRT_ENTRY and JRT_EXIT, | |
85 // macros which flip the thread from _thread_in_Java to | |
86 // _thread_in_vm and back. VM calls always safepoint, and can | |
87 // therefore throw exceptions. VM calls require of setup and | |
88 // teardown, and must be called with SharkTopLevelBlock::call_vm. | |
89 public: | |
90 llvm::Value* find_exception_handler(); | |
91 llvm::Value* monitorenter(); | |
92 llvm::Value* monitorexit(); | |
93 llvm::Value* new_instance(); | |
94 llvm::Value* newarray(); | |
95 llvm::Value* anewarray(); | |
96 llvm::Value* multianewarray(); | |
97 llvm::Value* register_finalizer(); | |
98 llvm::Value* safepoint(); | |
99 llvm::Value* throw_ArithmeticException(); | |
100 llvm::Value* throw_ArrayIndexOutOfBoundsException(); | |
101 llvm::Value* throw_ClassCastException(); | |
102 llvm::Value* throw_NullPointerException(); | |
103 | |
104 // Intrinsics and external functions, part 2: High-level non-VM calls. | |
105 // These are called like normal functions. The stack is not set | |
106 // up for walking so they must not safepoint or throw exceptions, | |
107 // or call anything that might. | |
108 public: | |
109 llvm::Value* f2i(); | |
110 llvm::Value* f2l(); | |
111 llvm::Value* d2i(); | |
112 llvm::Value* d2l(); | |
113 llvm::Value* is_subtype_of(); | |
114 llvm::Value* current_time_millis(); | |
115 llvm::Value* sin(); | |
116 llvm::Value* cos(); | |
117 llvm::Value* tan(); | |
118 llvm::Value* atan2(); | |
119 llvm::Value* sqrt(); | |
120 llvm::Value* log(); | |
121 llvm::Value* log10(); | |
122 llvm::Value* pow(); | |
123 llvm::Value* exp(); | |
124 llvm::Value* fabs(); | |
125 llvm::Value* unsafe_field_offset_to_byte_offset(); | |
126 llvm::Value* osr_migration_end(); | |
127 | |
128 // Intrinsics and external functions, part 3: semi-VM calls. | |
129 // These are special cases that do VM call stuff but are invoked | |
130 // as though they were normal calls. This is acceptable so long | |
131 // as the method that calls them returns to its immediately that | |
132 // the semi VM call returns. | |
133 public: | |
134 llvm::Value* throw_StackOverflowError(); | |
135 llvm::Value* uncommon_trap(); | |
136 llvm::Value* deoptimized_entry_point(); | |
137 | |
138 // Intrinsics and external functions, part 4: Native-Java transition. | |
139 // This is a special case in that it is invoked during a thread | |
140 // state transition. The stack must be set up for walking, and it | |
141 // may throw exceptions, but the state is _thread_in_native_trans. | |
142 public: | |
143 llvm::Value* check_special_condition_for_native_trans(); | |
144 | |
145 // Intrinsics and external functions, part 5: Low-level non-VM calls. | |
146 // These have the same caveats as the high-level non-VM calls | |
147 // above. They are not accessed directly; rather, you should | |
148 // access them via the various Create* methods below. | |
149 private: | |
150 llvm::Value* cmpxchg_int(); | |
151 llvm::Value* cmpxchg_ptr(); | |
152 llvm::Value* frame_address(); | |
153 llvm::Value* memory_barrier(); | |
154 llvm::Value* memset(); | |
155 llvm::Value* unimplemented(); | |
156 llvm::Value* should_not_reach_here(); | |
157 llvm::Value* dump(); | |
158 | |
159 // Public interface to low-level non-VM calls. | |
160 public: | |
161 llvm::CallInst* CreateCmpxchgInt(llvm::Value* exchange_value, | |
162 llvm::Value* dst, | |
163 llvm::Value* compare_value); | |
164 llvm::CallInst* CreateCmpxchgPtr(llvm::Value* exchange_value, | |
165 llvm::Value* dst, | |
166 llvm::Value* compare_value); | |
167 llvm::CallInst* CreateGetFrameAddress(); | |
168 llvm::CallInst* CreateMemoryBarrier(int flags); | |
169 llvm::CallInst* CreateMemset(llvm::Value* dst, | |
170 llvm::Value* value, | |
171 llvm::Value* len, | |
172 llvm::Value* align); | |
173 llvm::CallInst* CreateUnimplemented(const char* file, int line); | |
174 llvm::CallInst* CreateShouldNotReachHere(const char* file, int line); | |
175 NOT_PRODUCT(llvm::CallInst* CreateDump(llvm::Value* value)); | |
176 | |
177 // Flags for CreateMemoryBarrier. | |
178 public: | |
179 enum BarrierFlags { | |
180 BARRIER_LOADLOAD = 1, | |
181 BARRIER_LOADSTORE = 2, | |
182 BARRIER_STORELOAD = 4, | |
183 BARRIER_STORESTORE = 8 | |
184 }; | |
185 | |
186 // HotSpot memory barriers | |
187 public: | |
188 void CreateUpdateBarrierSet(BarrierSet* bs, llvm::Value* field); | |
189 | |
190 // Helpers for accessing the code buffer. | |
191 public: | |
192 llvm::Value* code_buffer_address(int offset); | |
193 llvm::Value* CreateInlineOop(jobject object, const char* name = ""); | |
194 llvm::Value* CreateInlineOop(ciObject* object, const char* name = "") { | |
195 return CreateInlineOop(object->constant_encoding(), name); | |
196 } | |
197 llvm::Value* CreateInlineData(void* data, | |
198 size_t size, | |
199 const llvm::Type* type, | |
200 const char* name = ""); | |
201 | |
202 // Helpers for creating basic blocks. | |
203 // NB don't use unless SharkFunction::CreateBlock is unavailable. | |
204 // XXX these are hacky and should be removed. | |
205 public: | |
206 llvm::BasicBlock* GetBlockInsertionPoint() const; | |
207 llvm::BasicBlock* CreateBlock(llvm::BasicBlock* ip, | |
208 const char* name="") const; | |
209 }; |