frontend.cc revision 38a09040432001f1a4330ac80b80b1178e1eaf8a 
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "compiler.h"
18#include "compiler_internals.h"
19#include "driver/compiler_driver.h"
20#include "driver/compiler_options.h"
21#include "dataflow_iterator-inl.h"
22#include "leb128.h"
23#include "mirror/object.h"
24#include "pass_driver_me_opts.h"
25#include "runtime.h"
26#include "base/logging.h"
27#include "base/timing_logger.h"
28#include "driver/compiler_options.h"
29#include "dex/quick/dex_file_to_method_inliner_map.h"
30
31namespace art {
32
33extern "C" void ArtInitQuickCompilerContext(art::CompilerDriver* driver) {
34  CHECK(driver->GetCompilerContext() == nullptr);
35}
36
37extern "C" void ArtUnInitQuickCompilerContext(art::CompilerDriver* driver) {
38  CHECK(driver->GetCompilerContext() == nullptr);
39}
40
41/* Default optimizer/debug setting for the compiler. */
42static uint32_t kCompilerOptimizerDisableFlags = 0 |  // Disable specific optimizations
43  (1 << kLoadStoreElimination) |  // TODO: this pass has been broken for awhile - fix or delete.
44  // (1 << kLoadHoisting) |
45  // (1 << kSuppressLoads) |
46  // (1 << kNullCheckElimination) |
47  // (1 << kClassInitCheckElimination) |
48  // (1 << kPromoteRegs) |
49  // (1 << kTrackLiveTemps) |
50  // (1 << kSafeOptimizations) |
51  // (1 << kBBOpt) |
52  // (1 << kMatch) |
53  // (1 << kPromoteCompilerTemps) |
54  // (1 << kSuppressExceptionEdges) |
55  // (1 << kSuppressMethodInlining) |
56  0;
57
58static uint32_t kCompilerDebugFlags = 0 |     // Enable debug/testing modes
59  // (1 << kDebugDisplayMissingTargets) |
60  // (1 << kDebugVerbose) |
61  // (1 << kDebugDumpCFG) |
62  // (1 << kDebugSlowFieldPath) |
63  // (1 << kDebugSlowInvokePath) |
64  // (1 << kDebugSlowStringPath) |
65  // (1 << kDebugSlowestFieldPath) |
66  // (1 << kDebugSlowestStringPath) |
67  // (1 << kDebugExerciseResolveMethod) |
68  // (1 << kDebugVerifyDataflow) |
69  // (1 << kDebugShowMemoryUsage) |
70  // (1 << kDebugShowNops) |
71  // (1 << kDebugCountOpcodes) |
72  // (1 << kDebugDumpCheckStats) |
73  // (1 << kDebugDumpBitcodeFile) |
74  // (1 << kDebugVerifyBitcode) |
75  // (1 << kDebugShowSummaryMemoryUsage) |
76  // (1 << kDebugShowFilterStats) |
77  // (1 << kDebugTimings) |
78  // (1 << kDebugCodegenDump) |
79  0;
80
81CompilationUnit::CompilationUnit(ArenaPool* pool)
82  : compiler_driver(nullptr),
83    class_linker(nullptr),
84    dex_file(nullptr),
85    class_loader(nullptr),
86    class_def_idx(0),
87    method_idx(0),
88    code_item(nullptr),
89    access_flags(0),
90    invoke_type(kDirect),
91    shorty(nullptr),
92    disable_opt(0),
93    enable_debug(0),
94    verbose(false),
95    compiler(nullptr),
96    instruction_set(kNone),
97    target64(false),
98    num_dalvik_registers(0),
99    insns(nullptr),
100    num_ins(0),
101    num_outs(0),
102    num_regs(0),
103    compiler_flip_match(false),
104    arena(pool),
105    arena_stack(pool),
106    mir_graph(nullptr),
107    cg(nullptr),
108    timings("QuickCompiler", true, false),
109    print_pass(false) {
110}
111
112CompilationUnit::~CompilationUnit() {
113}
114
115void CompilationUnit::StartTimingSplit(const char* label) {
116  if (compiler_driver->GetDumpPasses()) {
117    timings.StartSplit(label);
118  }
119}
120
121void CompilationUnit::NewTimingSplit(const char* label) {
122  if (compiler_driver->GetDumpPasses()) {
123    timings.NewSplit(label);
124  }
125}
126
127void CompilationUnit::EndTiming() {
128  if (compiler_driver->GetDumpPasses()) {
129    timings.EndSplit();
130    if (enable_debug & (1 << kDebugTimings)) {
131      LOG(INFO) << "TIMINGS " << PrettyMethod(method_idx, *dex_file);
132      LOG(INFO) << Dumpable<TimingLogger>(timings);
133    }
134  }
135}
136
137// TODO: Remove this when we are able to compile everything.
138int arm64_support_list[] = {
139    Instruction::NOP,
140    Instruction::MOVE,
141    Instruction::MOVE_FROM16,
142    Instruction::MOVE_16,
143    Instruction::MOVE_WIDE,
144    Instruction::MOVE_WIDE_FROM16,
145    Instruction::MOVE_WIDE_16,
146    Instruction::MOVE_OBJECT,
147    Instruction::MOVE_OBJECT_FROM16,
148    Instruction::MOVE_OBJECT_16,
149    Instruction::MOVE_RESULT,
150    Instruction::MOVE_RESULT_WIDE,
151    Instruction::MOVE_RESULT_OBJECT,
152    Instruction::MOVE_EXCEPTION,
153    Instruction::RETURN_VOID,
154    Instruction::RETURN,
155    Instruction::RETURN_WIDE,
156    Instruction::RETURN_OBJECT,
157    Instruction::CONST_4,
158    Instruction::CONST_16,
159    Instruction::CONST,
160    Instruction::CONST_HIGH16,
161    Instruction::CONST_WIDE_16,
162    Instruction::CONST_WIDE_32,
163    Instruction::CONST_WIDE,
164    Instruction::CONST_WIDE_HIGH16,
165    Instruction::CONST_STRING,
166    Instruction::CONST_STRING_JUMBO,
167    Instruction::CONST_CLASS,
168    Instruction::MONITOR_ENTER,
169    Instruction::MONITOR_EXIT,
170    Instruction::CHECK_CAST,
171    Instruction::INSTANCE_OF,
172    Instruction::ARRAY_LENGTH,
173    Instruction::NEW_INSTANCE,
174    Instruction::NEW_ARRAY,
175    Instruction::FILLED_NEW_ARRAY,
176    Instruction::FILLED_NEW_ARRAY_RANGE,
177    Instruction::FILL_ARRAY_DATA,
178    Instruction::THROW,
179    Instruction::GOTO,
180    Instruction::GOTO_16,
181    Instruction::GOTO_32,
182    Instruction::PACKED_SWITCH,
183    Instruction::SPARSE_SWITCH,
184    Instruction::CMPL_FLOAT,
185    Instruction::CMPG_FLOAT,
186    Instruction::CMPL_DOUBLE,
187    Instruction::CMPG_DOUBLE,
188    Instruction::CMP_LONG,
189    Instruction::IF_EQ,
190    Instruction::IF_NE,
191    Instruction::IF_LT,
192    Instruction::IF_GE,
193    Instruction::IF_GT,
194    Instruction::IF_LE,
195    Instruction::IF_EQZ,
196    Instruction::IF_NEZ,
197    Instruction::IF_LTZ,
198    Instruction::IF_GEZ,
199    Instruction::IF_GTZ,
200    Instruction::IF_LEZ,
201    Instruction::UNUSED_3E,
202    Instruction::UNUSED_3F,
203    Instruction::UNUSED_40,
204    Instruction::UNUSED_41,
205    Instruction::UNUSED_42,
206    Instruction::UNUSED_43,
207    Instruction::AGET,
208    Instruction::AGET_WIDE,
209    Instruction::AGET_OBJECT,
210    Instruction::AGET_BOOLEAN,
211    Instruction::AGET_BYTE,
212    Instruction::AGET_CHAR,
213    Instruction::AGET_SHORT,
214    Instruction::APUT,
215    Instruction::APUT_WIDE,
216    Instruction::APUT_OBJECT,
217    Instruction::APUT_BOOLEAN,
218    Instruction::APUT_BYTE,
219    Instruction::APUT_CHAR,
220    Instruction::APUT_SHORT,
221    Instruction::IGET,
222    Instruction::IGET_WIDE,
223    Instruction::IGET_OBJECT,
224    Instruction::IGET_BOOLEAN,
225    Instruction::IGET_BYTE,
226    Instruction::IGET_CHAR,
227    Instruction::IGET_SHORT,
228    Instruction::IPUT,
229    Instruction::IPUT_WIDE,
230    Instruction::IPUT_OBJECT,
231    Instruction::IPUT_BOOLEAN,
232    Instruction::IPUT_BYTE,
233    Instruction::IPUT_CHAR,
234    Instruction::IPUT_SHORT,
235    Instruction::SGET,
236    Instruction::SGET_WIDE,
237    Instruction::SGET_OBJECT,
238    Instruction::SGET_BOOLEAN,
239    Instruction::SGET_BYTE,
240    Instruction::SGET_CHAR,
241    Instruction::SGET_SHORT,
242    Instruction::SPUT,
243    Instruction::SPUT_WIDE,
244    Instruction::SPUT_OBJECT,
245    Instruction::SPUT_BOOLEAN,
246    Instruction::SPUT_BYTE,
247    Instruction::SPUT_CHAR,
248    Instruction::SPUT_SHORT,
249    Instruction::INVOKE_VIRTUAL,
250    Instruction::INVOKE_SUPER,
251    Instruction::INVOKE_DIRECT,
252    Instruction::INVOKE_STATIC,
253    Instruction::INVOKE_INTERFACE,
254    Instruction::RETURN_VOID_BARRIER,
255    Instruction::INVOKE_VIRTUAL_RANGE,
256    Instruction::INVOKE_SUPER_RANGE,
257    Instruction::INVOKE_DIRECT_RANGE,
258    Instruction::INVOKE_STATIC_RANGE,
259    Instruction::INVOKE_INTERFACE_RANGE,
260    Instruction::UNUSED_79,
261    Instruction::UNUSED_7A,
262    Instruction::NEG_INT,
263    Instruction::NOT_INT,
264    Instruction::NEG_LONG,
265    Instruction::NOT_LONG,
266    Instruction::NEG_FLOAT,
267    Instruction::NEG_DOUBLE,
268    Instruction::INT_TO_LONG,
269    Instruction::INT_TO_FLOAT,
270    Instruction::INT_TO_DOUBLE,
271    Instruction::LONG_TO_INT,
272    Instruction::LONG_TO_FLOAT,
273    Instruction::LONG_TO_DOUBLE,
274    Instruction::FLOAT_TO_INT,
275    Instruction::FLOAT_TO_LONG,
276    Instruction::FLOAT_TO_DOUBLE,
277    Instruction::DOUBLE_TO_INT,
278    Instruction::DOUBLE_TO_LONG,
279    Instruction::DOUBLE_TO_FLOAT,
280    Instruction::INT_TO_BYTE,
281    Instruction::INT_TO_CHAR,
282    Instruction::INT_TO_SHORT,
283    Instruction::ADD_INT,
284    Instruction::SUB_INT,
285    Instruction::MUL_INT,
286    Instruction::DIV_INT,
287    Instruction::REM_INT,
288    Instruction::AND_INT,
289    Instruction::OR_INT,
290    Instruction::XOR_INT,
291    Instruction::SHL_INT,
292    Instruction::SHR_INT,
293    Instruction::USHR_INT,
294    Instruction::ADD_LONG,
295    Instruction::SUB_LONG,
296    Instruction::MUL_LONG,
297    Instruction::DIV_LONG,
298    Instruction::REM_LONG,
299    Instruction::AND_LONG,
300    Instruction::OR_LONG,
301    Instruction::XOR_LONG,
302    Instruction::SHL_LONG,
303    Instruction::SHR_LONG,
304    Instruction::USHR_LONG,
305    Instruction::ADD_FLOAT,
306    Instruction::SUB_FLOAT,
307    Instruction::MUL_FLOAT,
308    Instruction::DIV_FLOAT,
309    Instruction::REM_FLOAT,
310    Instruction::ADD_DOUBLE,
311    Instruction::SUB_DOUBLE,
312    Instruction::MUL_DOUBLE,
313    Instruction::DIV_DOUBLE,
314    Instruction::REM_DOUBLE,
315    Instruction::ADD_INT_2ADDR,
316    Instruction::SUB_INT_2ADDR,
317    Instruction::MUL_INT_2ADDR,
318    Instruction::DIV_INT_2ADDR,
319    Instruction::REM_INT_2ADDR,
320    Instruction::AND_INT_2ADDR,
321    Instruction::OR_INT_2ADDR,
322    Instruction::XOR_INT_2ADDR,
323    Instruction::SHL_INT_2ADDR,
324    Instruction::SHR_INT_2ADDR,
325    Instruction::USHR_INT_2ADDR,
326    Instruction::ADD_LONG_2ADDR,
327    Instruction::SUB_LONG_2ADDR,
328    Instruction::MUL_LONG_2ADDR,
329    Instruction::DIV_LONG_2ADDR,
330    Instruction::REM_LONG_2ADDR,
331    Instruction::AND_LONG_2ADDR,
332    Instruction::OR_LONG_2ADDR,
333    Instruction::XOR_LONG_2ADDR,
334    Instruction::SHL_LONG_2ADDR,
335    Instruction::SHR_LONG_2ADDR,
336    Instruction::USHR_LONG_2ADDR,
337    Instruction::ADD_FLOAT_2ADDR,
338    Instruction::SUB_FLOAT_2ADDR,
339    Instruction::MUL_FLOAT_2ADDR,
340    Instruction::DIV_FLOAT_2ADDR,
341    Instruction::REM_FLOAT_2ADDR,
342    Instruction::ADD_DOUBLE_2ADDR,
343    Instruction::SUB_DOUBLE_2ADDR,
344    Instruction::MUL_DOUBLE_2ADDR,
345    Instruction::DIV_DOUBLE_2ADDR,
346    Instruction::REM_DOUBLE_2ADDR,
347    Instruction::ADD_INT_LIT16,
348    Instruction::RSUB_INT,
349    Instruction::MUL_INT_LIT16,
350    Instruction::DIV_INT_LIT16,
351    Instruction::REM_INT_LIT16,
352    Instruction::AND_INT_LIT16,
353    Instruction::OR_INT_LIT16,
354    Instruction::XOR_INT_LIT16,
355    Instruction::ADD_INT_LIT8,
356    Instruction::RSUB_INT_LIT8,
357    Instruction::MUL_INT_LIT8,
358    Instruction::DIV_INT_LIT8,
359    Instruction::REM_INT_LIT8,
360    Instruction::AND_INT_LIT8,
361    Instruction::OR_INT_LIT8,
362    Instruction::XOR_INT_LIT8,
363    Instruction::SHL_INT_LIT8,
364    Instruction::SHR_INT_LIT8,
365    Instruction::USHR_INT_LIT8,
366    Instruction::IGET_QUICK,
367    Instruction::IGET_WIDE_QUICK,
368    Instruction::IGET_OBJECT_QUICK,
369    Instruction::IPUT_QUICK,
370    Instruction::IPUT_WIDE_QUICK,
371    Instruction::IPUT_OBJECT_QUICK,
372    Instruction::INVOKE_VIRTUAL_QUICK,
373    Instruction::INVOKE_VIRTUAL_RANGE_QUICK,
374    Instruction::UNUSED_EB,
375    Instruction::UNUSED_EC,
376    Instruction::UNUSED_ED,
377    Instruction::UNUSED_EE,
378    Instruction::UNUSED_EF,
379    Instruction::UNUSED_F0,
380    Instruction::UNUSED_F1,
381    Instruction::UNUSED_F2,
382    Instruction::UNUSED_F3,
383    Instruction::UNUSED_F4,
384    Instruction::UNUSED_F5,
385    Instruction::UNUSED_F6,
386    Instruction::UNUSED_F7,
387    Instruction::UNUSED_F8,
388    Instruction::UNUSED_F9,
389    Instruction::UNUSED_FA,
390    Instruction::UNUSED_FB,
391    Instruction::UNUSED_FC,
392    Instruction::UNUSED_FD,
393    Instruction::UNUSED_FE,
394    Instruction::UNUSED_FF,
395    // ----- ExtendedMIROpcode -----
396    kMirOpPhi,
397    kMirOpCopy,
398    kMirOpFusedCmplFloat,
399    kMirOpFusedCmpgFloat,
400    kMirOpFusedCmplDouble,
401    kMirOpFusedCmpgDouble,
402    kMirOpFusedCmpLong,
403    kMirOpNop,
404    kMirOpNullCheck,
405    kMirOpRangeCheck,
406    kMirOpDivZeroCheck,
407    kMirOpCheck,
408    kMirOpCheckPart2,
409    kMirOpSelect,
410};
411
412// TODO: Remove this when we are able to compile everything.
413int x86_64_support_list[] = {
414    Instruction::NOP,
415    // Instruction::MOVE,
416    // Instruction::MOVE_FROM16,
417    // Instruction::MOVE_16,
418    // Instruction::MOVE_WIDE,
419    // Instruction::MOVE_WIDE_FROM16,
420    // Instruction::MOVE_WIDE_16,
421    // Instruction::MOVE_OBJECT,
422    // Instruction::MOVE_OBJECT_FROM16,
423    // Instruction::MOVE_OBJECT_16,
424    // Instruction::MOVE_RESULT,
425    // Instruction::MOVE_RESULT_WIDE,
426    // Instruction::MOVE_RESULT_OBJECT,
427    // Instruction::MOVE_EXCEPTION,
428    Instruction::RETURN_VOID,
429    Instruction::RETURN,
430    // Instruction::RETURN_WIDE,
431    Instruction::RETURN_OBJECT,
432    // Instruction::CONST_4,
433    // Instruction::CONST_16,
434    // Instruction::CONST,
435    // Instruction::CONST_HIGH16,
436    // Instruction::CONST_WIDE_16,
437    // Instruction::CONST_WIDE_32,
438    // Instruction::CONST_WIDE,
439    // Instruction::CONST_WIDE_HIGH16,
440    // Instruction::CONST_STRING,
441    // Instruction::CONST_STRING_JUMBO,
442    // Instruction::CONST_CLASS,
443    // Instruction::MONITOR_ENTER,
444    // Instruction::MONITOR_EXIT,
445    // Instruction::CHECK_CAST,
446    // Instruction::INSTANCE_OF,
447    // Instruction::ARRAY_LENGTH,
448    // Instruction::NEW_INSTANCE,
449    // Instruction::NEW_ARRAY,
450    // Instruction::FILLED_NEW_ARRAY,
451    // Instruction::FILLED_NEW_ARRAY_RANGE,
452    // Instruction::FILL_ARRAY_DATA,
453    // Instruction::THROW,
454    // Instruction::GOTO,
455    // Instruction::GOTO_16,
456    // Instruction::GOTO_32,
457    // Instruction::PACKED_SWITCH,
458    // Instruction::SPARSE_SWITCH,
459    // Instruction::CMPL_FLOAT,
460    // Instruction::CMPG_FLOAT,
461    // Instruction::CMPL_DOUBLE,
462    // Instruction::CMPG_DOUBLE,
463    // Instruction::CMP_LONG,
464    // Instruction::IF_EQ,
465    // Instruction::IF_NE,
466    // Instruction::IF_LT,
467    // Instruction::IF_GE,
468    // Instruction::IF_GT,
469    // Instruction::IF_LE,
470    // Instruction::IF_EQZ,
471    // Instruction::IF_NEZ,
472    // Instruction::IF_LTZ,
473    // Instruction::IF_GEZ,
474    // Instruction::IF_GTZ,
475    // Instruction::IF_LEZ,
476    // Instruction::UNUSED_3E,
477    // Instruction::UNUSED_3F,
478    // Instruction::UNUSED_40,
479    // Instruction::UNUSED_41,
480    // Instruction::UNUSED_42,
481    // Instruction::UNUSED_43,
482    // Instruction::AGET,
483    // Instruction::AGET_WIDE,
484    // Instruction::AGET_OBJECT,
485    // Instruction::AGET_BOOLEAN,
486    // Instruction::AGET_BYTE,
487    // Instruction::AGET_CHAR,
488    // Instruction::AGET_SHORT,
489    // Instruction::APUT,
490    // Instruction::APUT_WIDE,
491    // Instruction::APUT_OBJECT,
492    // Instruction::APUT_BOOLEAN,
493    // Instruction::APUT_BYTE,
494    // Instruction::APUT_CHAR,
495    // Instruction::APUT_SHORT,
496    // Instruction::IGET,
497    // Instruction::IGET_WIDE,
498    // Instruction::IGET_OBJECT,
499    // Instruction::IGET_BOOLEAN,
500    // Instruction::IGET_BYTE,
501    // Instruction::IGET_CHAR,
502    // Instruction::IGET_SHORT,
503    // Instruction::IPUT,
504    // Instruction::IPUT_WIDE,
505    // Instruction::IPUT_OBJECT,
506    // Instruction::IPUT_BOOLEAN,
507    // Instruction::IPUT_BYTE,
508    // Instruction::IPUT_CHAR,
509    // Instruction::IPUT_SHORT,
510    Instruction::SGET,
511    // Instruction::SGET_WIDE,
512    Instruction::SGET_OBJECT,
513    Instruction::SGET_BOOLEAN,
514    Instruction::SGET_BYTE,
515    Instruction::SGET_CHAR,
516    Instruction::SGET_SHORT,
517    Instruction::SPUT,
518    // Instruction::SPUT_WIDE,
519    Instruction::SPUT_OBJECT,
520    Instruction::SPUT_BOOLEAN,
521    Instruction::SPUT_BYTE,
522    Instruction::SPUT_CHAR,
523    Instruction::SPUT_SHORT,
524    Instruction::INVOKE_VIRTUAL,
525    Instruction::INVOKE_SUPER,
526    Instruction::INVOKE_DIRECT,
527    Instruction::INVOKE_STATIC,
528    Instruction::INVOKE_INTERFACE,
529    // Instruction::RETURN_VOID_BARRIER,
530    // Instruction::INVOKE_VIRTUAL_RANGE,
531    // Instruction::INVOKE_SUPER_RANGE,
532    // Instruction::INVOKE_DIRECT_RANGE,
533    // Instruction::INVOKE_STATIC_RANGE,
534    // Instruction::INVOKE_INTERFACE_RANGE,
535    // Instruction::UNUSED_79,
536    // Instruction::UNUSED_7A,
537    // Instruction::NEG_INT,
538    // Instruction::NOT_INT,
539    // Instruction::NEG_LONG,
540    // Instruction::NOT_LONG,
541    // Instruction::NEG_FLOAT,
542    // Instruction::NEG_DOUBLE,
543    // Instruction::INT_TO_LONG,
544    // Instruction::INT_TO_FLOAT,
545    // Instruction::INT_TO_DOUBLE,
546    // Instruction::LONG_TO_INT,
547    // Instruction::LONG_TO_FLOAT,
548    // Instruction::LONG_TO_DOUBLE,
549    // Instruction::FLOAT_TO_INT,
550    // Instruction::FLOAT_TO_LONG,
551    // Instruction::FLOAT_TO_DOUBLE,
552    // Instruction::DOUBLE_TO_INT,
553    // Instruction::DOUBLE_TO_LONG,
554    // Instruction::DOUBLE_TO_FLOAT,
555    // Instruction::INT_TO_BYTE,
556    // Instruction::INT_TO_CHAR,
557    // Instruction::INT_TO_SHORT,
558    // Instruction::ADD_INT,
559    // Instruction::SUB_INT,
560    // Instruction::MUL_INT,
561    // Instruction::DIV_INT,
562    // Instruction::REM_INT,
563    // Instruction::AND_INT,
564    // Instruction::OR_INT,
565    // Instruction::XOR_INT,
566    // Instruction::SHL_INT,
567    // Instruction::SHR_INT,
568    // Instruction::USHR_INT,
569    // Instruction::ADD_LONG,
570    // Instruction::SUB_LONG,
571    // Instruction::MUL_LONG,
572    // Instruction::DIV_LONG,
573    // Instruction::REM_LONG,
574    // Instruction::AND_LONG,
575    // Instruction::OR_LONG,
576    // Instruction::XOR_LONG,
577    // Instruction::SHL_LONG,
578    // Instruction::SHR_LONG,
579    // Instruction::USHR_LONG,
580    // Instruction::ADD_FLOAT,
581    // Instruction::SUB_FLOAT,
582    // Instruction::MUL_FLOAT,
583    // Instruction::DIV_FLOAT,
584    // Instruction::REM_FLOAT,
585    // Instruction::ADD_DOUBLE,
586    // Instruction::SUB_DOUBLE,
587    // Instruction::MUL_DOUBLE,
588    // Instruction::DIV_DOUBLE,
589    // Instruction::REM_DOUBLE,
590    // Instruction::ADD_INT_2ADDR,
591    // Instruction::SUB_INT_2ADDR,
592    // Instruction::MUL_INT_2ADDR,
593    // Instruction::DIV_INT_2ADDR,
594    // Instruction::REM_INT_2ADDR,
595    // Instruction::AND_INT_2ADDR,
596    // Instruction::OR_INT_2ADDR,
597    // Instruction::XOR_INT_2ADDR,
598    // Instruction::SHL_INT_2ADDR,
599    // Instruction::SHR_INT_2ADDR,
600    // Instruction::USHR_INT_2ADDR,
601    // Instruction::ADD_LONG_2ADDR,
602    // Instruction::SUB_LONG_2ADDR,
603    // Instruction::MUL_LONG_2ADDR,
604    // Instruction::DIV_LONG_2ADDR,
605    // Instruction::REM_LONG_2ADDR,
606    // Instruction::AND_LONG_2ADDR,
607    // Instruction::OR_LONG_2ADDR,
608    // Instruction::XOR_LONG_2ADDR,
609    // Instruction::SHL_LONG_2ADDR,
610    // Instruction::SHR_LONG_2ADDR,
611    // Instruction::USHR_LONG_2ADDR,
612    // Instruction::ADD_FLOAT_2ADDR,
613    // Instruction::SUB_FLOAT_2ADDR,
614    // Instruction::MUL_FLOAT_2ADDR,
615    // Instruction::DIV_FLOAT_2ADDR,
616    // Instruction::REM_FLOAT_2ADDR,
617    // Instruction::ADD_DOUBLE_2ADDR,
618    // Instruction::SUB_DOUBLE_2ADDR,
619    // Instruction::MUL_DOUBLE_2ADDR,
620    // Instruction::DIV_DOUBLE_2ADDR,
621    // Instruction::REM_DOUBLE_2ADDR,
622    // Instruction::ADD_INT_LIT16,
623    // Instruction::RSUB_INT,
624    // Instruction::MUL_INT_LIT16,
625    // Instruction::DIV_INT_LIT16,
626    // Instruction::REM_INT_LIT16,
627    // Instruction::AND_INT_LIT16,
628    // Instruction::OR_INT_LIT16,
629    // Instruction::XOR_INT_LIT16,
630    // Instruction::ADD_INT_LIT8,
631    // Instruction::RSUB_INT_LIT8,
632    // Instruction::MUL_INT_LIT8,
633    // Instruction::DIV_INT_LIT8,
634    // Instruction::REM_INT_LIT8,
635    // Instruction::AND_INT_LIT8,
636    // Instruction::OR_INT_LIT8,
637    // Instruction::XOR_INT_LIT8,
638    // Instruction::SHL_INT_LIT8,
639    // Instruction::SHR_INT_LIT8,
640    // Instruction::USHR_INT_LIT8,
641    // Instruction::IGET_QUICK,
642    // Instruction::IGET_WIDE_QUICK,
643    // Instruction::IGET_OBJECT_QUICK,
644    // Instruction::IPUT_QUICK,
645    // Instruction::IPUT_WIDE_QUICK,
646    // Instruction::IPUT_OBJECT_QUICK,
647    // Instruction::INVOKE_VIRTUAL_QUICK,
648    // Instruction::INVOKE_VIRTUAL_RANGE_QUICK,
649    // Instruction::UNUSED_EB,
650    // Instruction::UNUSED_EC,
651    // Instruction::UNUSED_ED,
652    // Instruction::UNUSED_EE,
653    // Instruction::UNUSED_EF,
654    // Instruction::UNUSED_F0,
655    // Instruction::UNUSED_F1,
656    // Instruction::UNUSED_F2,
657    // Instruction::UNUSED_F3,
658    // Instruction::UNUSED_F4,
659    // Instruction::UNUSED_F5,
660    // Instruction::UNUSED_F6,
661    // Instruction::UNUSED_F7,
662    // Instruction::UNUSED_F8,
663    // Instruction::UNUSED_F9,
664    // Instruction::UNUSED_FA,
665    // Instruction::UNUSED_FB,
666    // Instruction::UNUSED_FC,
667    // Instruction::UNUSED_FD,
668    // Instruction::UNUSED_FE,
669    // Instruction::UNUSED_FF,
670
671    // ----- ExtendedMIROpcode -----
672    // kMirOpPhi,
673    // kMirOpCopy,
674    // kMirOpFusedCmplFloat,
675    // kMirOpFusedCmpgFloat,
676    // kMirOpFusedCmplDouble,
677    // kMirOpFusedCmpgDouble,
678    // kMirOpFusedCmpLong,
679    // kMirOpNop,
680    // kMirOpNullCheck,
681    // kMirOpRangeCheck,
682    // kMirOpDivZeroCheck,
683    // kMirOpCheck,
684    // kMirOpCheckPart2,
685    // kMirOpSelect,
686    // kMirOpLast,
687};
688
689// Z : boolean
690// B : byte
691// S : short
692// C : char
693// I : int
694// J : long
695// F : float
696// D : double
697// L : reference(object, array)
698// V : void
699// (ARM64) Current calling conversion only support 32bit softfp
700//         which has problems with long, float, double
701constexpr char arm64_supported_types[] = "ZBSCILVJFD";
702constexpr char x86_64_supported_types[] = "ZBSCILVJFD";
703
704// TODO: Remove this when we are able to compile everything.
705static bool CanCompileShorty(const char* shorty, InstructionSet instruction_set) {
706  uint32_t shorty_size = strlen(shorty);
707  CHECK_GE(shorty_size, 1u);
708
709  const char* supported_types =
710      (instruction_set == kX86_64) ? x86_64_supported_types : arm64_supported_types;
711  for (uint32_t i = 0; i < shorty_size; i++) {
712    if (strchr(supported_types, shorty[i]) == nullptr) {
713      return false;
714    }
715  }
716  return true;
717};
718
719// TODO: Remove this when we are able to compile everything.
720// Skip the method that we do not support currently.
721static bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file,
722                             CompilationUnit& cu) {
723  // There is some limitation with current ARM 64 backend.
724  if (cu.instruction_set == kArm64) {
725    // Check if we can compile the prototype.
726    const char* shorty = dex_file.GetMethodShorty(dex_file.GetMethodId(method_idx));
727    if (!CanCompileShorty(shorty, cu.instruction_set)) {
728      VLOG(compiler) << "Unsupported shorty : " << shorty;
729      return false;
730    }
731
732    const int *support_list = arm64_support_list;
733    int support_list_size = arraysize(arm64_support_list);
734    if (cu.instruction_set == kX86_64) {
735      support_list = x86_64_support_list;
736      support_list_size = arraysize(x86_64_support_list);
737    }
738
739    for (unsigned int idx = 0; idx < cu.mir_graph->GetNumBlocks(); idx++) {
740      BasicBlock* bb = cu.mir_graph->GetBasicBlock(idx);
741      if (bb == NULL) continue;
742      if (bb->block_type == kDead) continue;
743      for (MIR* mir = bb->first_mir_insn; mir != nullptr; mir = mir->next) {
744        int opcode = mir->dalvikInsn.opcode;
745        // Check if we support the byte code.
746        if (std::find(support_list, support_list + support_list_size,
747            opcode) == support_list + support_list_size) {
748          if (!cu.mir_graph->IsPseudoMirOp(opcode)) {
749            VLOG(compiler) << "Unsupported dalvik byte code : "
750                           << mir->dalvikInsn.opcode;
751          } else {
752            VLOG(compiler) << "Unsupported extended MIR opcode : "
753                           << MIRGraph::extended_mir_op_names_[opcode - kMirOpFirst];
754          }
755          return false;
756        }
757        // Check if it invokes a prototype that we cannot support.
758        if (Instruction::INVOKE_VIRTUAL == opcode ||
759            Instruction::INVOKE_SUPER == opcode ||
760            Instruction::INVOKE_DIRECT == opcode ||
761            Instruction::INVOKE_STATIC == opcode ||
762            Instruction::INVOKE_INTERFACE == opcode) {
763          uint32_t invoke_method_idx = mir->dalvikInsn.vB;
764          const char* invoke_method_shorty = dex_file.GetMethodShorty(
765              dex_file.GetMethodId(invoke_method_idx));
766          if (!CanCompileShorty(invoke_method_shorty, cu.instruction_set)) {
767            VLOG(compiler) << "Unsupported to invoke '"
768                           << PrettyMethod(invoke_method_idx, dex_file)
769                           << "' with shorty : " << invoke_method_shorty;
770            return false;
771          }
772        }
773      }
774    }
775  }
776  return true;
777}
778
779static CompiledMethod* CompileMethod(CompilerDriver& driver,
780                                     Compiler* compiler,
781                                     const DexFile::CodeItem* code_item,
782                                     uint32_t access_flags, InvokeType invoke_type,
783                                     uint16_t class_def_idx, uint32_t method_idx,
784                                     jobject class_loader, const DexFile& dex_file,
785                                     void* llvm_compilation_unit) {
786  std::string method_name = PrettyMethod(method_idx, dex_file);
787  VLOG(compiler) << "Compiling " << method_name << "...";
788  if (code_item->insns_size_in_code_units_ >= 0x10000) {
789    LOG(INFO) << "Method size exceeds compiler limits: " << code_item->insns_size_in_code_units_
790              << " in " << method_name;
791    return NULL;
792  }
793
794  if (!driver.GetCompilerOptions().IsCompilationEnabled()) {
795    return nullptr;
796  }
797
798  ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
799  CompilationUnit cu(driver.GetArenaPool());
800
801  cu.compiler_driver = &driver;
802  cu.class_linker = class_linker;
803  cu.instruction_set = driver.GetInstructionSet();
804  if (cu.instruction_set == kArm) {
805    cu.instruction_set = kThumb2;
806  }
807  cu.target64 = Is64BitInstructionSet(cu.instruction_set);
808  cu.compiler = compiler;
809  // TODO: x86_64 & arm64 are not yet implemented.
810  CHECK((cu.instruction_set == kThumb2) ||
811        (cu.instruction_set == kArm64) ||
812        (cu.instruction_set == kX86) ||
813        (cu.instruction_set == kX86_64) ||
814        (cu.instruction_set == kMips));
815
816  /* Adjust this value accordingly once inlining is performed */
817  cu.num_dalvik_registers = code_item->registers_size_;
818  // TODO: set this from command line
819  cu.compiler_flip_match = false;
820  bool use_match = !cu.compiler_method_match.empty();
821  bool match = use_match && (cu.compiler_flip_match ^
822      (method_name.find(cu.compiler_method_match) != std::string::npos));
823  if (!use_match || match) {
824    cu.disable_opt = kCompilerOptimizerDisableFlags;
825    cu.enable_debug = kCompilerDebugFlags;
826    cu.verbose = VLOG_IS_ON(compiler) ||
827        (cu.enable_debug & (1 << kDebugVerbose));
828  }
829
830  if (gVerboseMethods.size() != 0) {
831    cu.verbose = false;
832    for (size_t i = 0; i < gVerboseMethods.size(); ++i) {
833      if (method_name.find(gVerboseMethods[i])
834          != std::string::npos) {
835        cu.verbose = true;
836        break;
837      }
838    }
839  }
840
841  if (cu.verbose) {
842    cu.enable_debug |= (1 << kDebugCodegenDump);
843  }
844
845  /*
846   * TODO: rework handling of optimization and debug flags.  Should we split out
847   * MIR and backend flags?  Need command-line setting as well.
848   */
849
850  compiler->InitCompilationUnit(cu);
851
852  if (cu.instruction_set == kMips) {
853    // Disable some optimizations for mips for now
854    cu.disable_opt |= (
855        (1 << kLoadStoreElimination) |
856        (1 << kLoadHoisting) |
857        (1 << kSuppressLoads) |
858        (1 << kNullCheckElimination) |
859        (1 << kPromoteRegs) |
860        (1 << kTrackLiveTemps) |
861        (1 << kSafeOptimizations) |
862        (1 << kBBOpt) |
863        (1 << kMatch) |
864        (1 << kPromoteCompilerTemps));
865  } else if (cu.instruction_set == kX86_64) {
866    // TODO(X86_64): enable optimizations once backend is mature enough.
867    cu.disable_opt |= (
868        (1 << kLoadStoreElimination) |
869        (1 << kPromoteRegs));
870  } else if (cu.instruction_set == kArm64) {
871    // TODO(Arm64): enable optimizations once backend is mature enough.
872    cu.disable_opt = ~(uint32_t)0;
873  }
874
875  cu.StartTimingSplit("BuildMIRGraph");
876  cu.mir_graph.reset(new MIRGraph(&cu, &cu.arena));
877
878  /*
879   * After creation of the MIR graph, also create the code generator.
880   * The reason we do this is that optimizations on the MIR graph may need to get information
881   * that is only available if a CG exists.
882   */
883  cu.cg.reset(compiler->GetCodeGenerator(&cu, llvm_compilation_unit));
884
885  /* Gathering opcode stats? */
886  if (kCompilerDebugFlags & (1 << kDebugCountOpcodes)) {
887    cu.mir_graph->EnableOpcodeCounting();
888  }
889
890  /* Build the raw MIR graph */
891  cu.mir_graph->InlineMethod(code_item, access_flags, invoke_type, class_def_idx, method_idx,
892                              class_loader, dex_file);
893
894  // TODO(Arm64): Remove this when we are able to compile everything.
895  if (!CanCompileMethod(method_idx, dex_file, cu)) {
896    VLOG(compiler)  << cu.instruction_set << ": Cannot compile method : " << method_name;
897    return nullptr;
898  }
899
900  cu.NewTimingSplit("MIROpt:CheckFilters");
901  std::string skip_message;
902  if (cu.mir_graph->SkipCompilation(&skip_message)) {
903    VLOG(compiler) << cu.instruction_set << ": Skipping method : "
904                   << method_name << "  Reason = " << skip_message;
905    return nullptr;
906  }
907
908  /* Create the pass driver and launch it */
909  PassDriverMEOpts pass_driver(&cu);
910  pass_driver.Launch();
911
912  /* For non-leaf methods check if we should skip compilation when the profiler is enabled. */
913  if (cu.compiler_driver->ProfilePresent()
914      && !cu.mir_graph->MethodIsLeaf()
915      && cu.mir_graph->SkipCompilationByName(method_name)) {
916    return nullptr;
917  }
918
919  if (cu.enable_debug & (1 << kDebugDumpCheckStats)) {
920    cu.mir_graph->DumpCheckStats();
921  }
922
923  if (kCompilerDebugFlags & (1 << kDebugCountOpcodes)) {
924    cu.mir_graph->ShowOpcodeStats();
925  }
926
927  /* Reassociate sreg names with original Dalvik vreg names. */
928  cu.mir_graph->RemapRegLocations();
929
930  /* Free Arenas from the cu.arena_stack for reuse by the cu.arena in the codegen. */
931  if (cu.enable_debug & (1 << kDebugShowMemoryUsage)) {
932    if (cu.arena_stack.PeakBytesAllocated() > 256 * 1024) {
933      MemStats stack_stats(cu.arena_stack.GetPeakStats());
934      LOG(INFO) << method_name << " " << Dumpable<MemStats>(stack_stats);
935    }
936  }
937  cu.arena_stack.Reset();
938
939  CompiledMethod* result = NULL;
940
941  if (cu.mir_graph->PuntToInterpreter()) {
942    VLOG(compiler) << cu.instruction_set << ": Punted method to interpreter: " << method_name;
943    return nullptr;
944  }
945
946  cu.cg->Materialize();
947
948  cu.NewTimingSplit("Dedupe");  /* deduping takes up the vast majority of time in GetCompiledMethod(). */
949  result = cu.cg->GetCompiledMethod();
950  cu.NewTimingSplit("Cleanup");
951
952  if (result) {
953    VLOG(compiler) << cu.instruction_set << ": Compiled " << method_name;
954  } else {
955    VLOG(compiler) << cu.instruction_set << ": Deferred " << method_name;
956  }
957
958  if (cu.enable_debug & (1 << kDebugShowMemoryUsage)) {
959    if (cu.arena.BytesAllocated() > (1 * 1024 *1024)) {
960      MemStats mem_stats(cu.arena.GetMemStats());
961      LOG(INFO) << method_name << " " << Dumpable<MemStats>(mem_stats);
962    }
963  }
964
965  if (cu.enable_debug & (1 << kDebugShowSummaryMemoryUsage)) {
966    LOG(INFO) << "MEMINFO " << cu.arena.BytesAllocated() << " " << cu.mir_graph->GetNumBlocks()
967              << " " << method_name;
968  }
969
970  cu.EndTiming();
971  driver.GetTimingsLogger()->AddLogger(cu.timings);
972  return result;
973}
974
975CompiledMethod* CompileOneMethod(CompilerDriver& driver,
976                                 Compiler* compiler,
977                                 const DexFile::CodeItem* code_item,
978                                 uint32_t access_flags,
979                                 InvokeType invoke_type,
980                                 uint16_t class_def_idx,
981                                 uint32_t method_idx,
982                                 jobject class_loader,
983                                 const DexFile& dex_file,
984                                 void* compilation_unit) {
985  return CompileMethod(driver, compiler, code_item, access_flags, invoke_type, class_def_idx,
986                       method_idx, class_loader, dex_file, compilation_unit);
987}
988
989}  // namespace art
990
991extern "C" art::CompiledMethod*
992    ArtQuickCompileMethod(art::CompilerDriver& driver,
993                          const art::DexFile::CodeItem* code_item,
994                          uint32_t access_flags, art::InvokeType invoke_type,
995                          uint16_t class_def_idx, uint32_t method_idx, jobject class_loader,
996                          const art::DexFile& dex_file) {
997  // TODO: check method fingerprint here to determine appropriate backend type.  Until then, use build default
998  art::Compiler* compiler = driver.GetCompiler();
999  return art::CompileOneMethod(driver, compiler, code_item, access_flags, invoke_type,
1000                               class_def_idx, method_idx, class_loader, dex_file,
1001                               NULL /* use thread llvm_info */);
1002}
1003