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Issue 1965373002: Remove TypingResetter. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 7 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <stdlib.h>
6
7 #include "src/v8.h"
8
9 #include "src/ast/ast.h"
10 #include "src/ast/ast-expression-visitor.h"
11 #include "src/ast/scopes.h"
12 #include "src/parsing/parser.h"
13 #include "src/parsing/rewriter.h"
14 #include "src/typing-reset.h"
15 #include "test/cctest/cctest.h"
16 #include "test/cctest/compiler/function-tester.h"
17 #include "test/cctest/expression-type-collector.h"
18 #include "test/cctest/expression-type-collector-macros.h"
19
20 #define INT32_TYPE Bounds(Type::Signed32(), Type::Signed32())
21
22 using namespace v8::internal;
23
24 namespace {
25
26 class TypeSetter : public AstExpressionVisitor {
27 public:
28 TypeSetter(Isolate* isolate, FunctionLiteral* root)
29 : AstExpressionVisitor(isolate, root) {}
30
31 protected:
32 void VisitExpression(Expression* expression) {
33 expression->set_bounds(INT32_TYPE);
34 }
35 };
36
37
38 void CheckAllSame(ZoneVector<ExpressionTypeEntry>& types,
39 Bounds expected_type) {
40 CHECK_TYPES_BEGIN {
41 // function logSum
42 CHECK_EXPR(FunctionLiteral, expected_type) {
43 CHECK_EXPR(FunctionLiteral, expected_type) {
44 CHECK_EXPR(Assignment, expected_type) {
45 CHECK_VAR(start, expected_type);
46 CHECK_EXPR(BinaryOperation, expected_type) {
47 CHECK_VAR(start, expected_type);
48 CHECK_EXPR(Literal, expected_type);
49 }
50 }
51 CHECK_EXPR(Assignment, expected_type) {
52 CHECK_VAR(end, expected_type);
53 CHECK_EXPR(BinaryOperation, expected_type) {
54 CHECK_VAR(end, expected_type);
55 CHECK_EXPR(Literal, expected_type);
56 }
57 }
58 CHECK_EXPR(Assignment, expected_type) {
59 CHECK_VAR(sum, expected_type);
60 CHECK_EXPR(Literal, expected_type);
61 }
62 CHECK_EXPR(Assignment, expected_type) {
63 CHECK_VAR(p, expected_type);
64 CHECK_EXPR(Literal, expected_type);
65 }
66 CHECK_EXPR(Assignment, expected_type) {
67 CHECK_VAR(q, expected_type);
68 CHECK_EXPR(Literal, expected_type);
69 }
70 // for (p = start << 3, q = end << 3;
71 CHECK_EXPR(BinaryOperation, expected_type) {
72 CHECK_EXPR(Assignment, expected_type) {
73 CHECK_VAR(p, expected_type);
74 CHECK_EXPR(BinaryOperation, expected_type) {
75 CHECK_VAR(start, expected_type);
76 CHECK_EXPR(Literal, expected_type);
77 }
78 }
79 CHECK_EXPR(Assignment, expected_type) {
80 CHECK_VAR(q, expected_type);
81 CHECK_EXPR(BinaryOperation, expected_type) {
82 CHECK_VAR(end, expected_type);
83 CHECK_EXPR(Literal, expected_type);
84 }
85 }
86 }
87 // (p|0) < (q|0);
88 CHECK_EXPR(CompareOperation, expected_type) {
89 CHECK_EXPR(BinaryOperation, expected_type) {
90 CHECK_VAR(p, expected_type);
91 CHECK_EXPR(Literal, expected_type);
92 }
93 CHECK_EXPR(BinaryOperation, expected_type) {
94 CHECK_VAR(q, expected_type);
95 CHECK_EXPR(Literal, expected_type);
96 }
97 }
98 // p = (p + 8)|0) {\n"
99 CHECK_EXPR(Assignment, expected_type) {
100 CHECK_VAR(p, expected_type);
101 CHECK_EXPR(BinaryOperation, expected_type) {
102 CHECK_EXPR(BinaryOperation, expected_type) {
103 CHECK_VAR(p, expected_type);
104 CHECK_EXPR(Literal, expected_type);
105 }
106 CHECK_EXPR(Literal, expected_type);
107 }
108 }
109 // sum = sum + +log(values[p>>3]);
110 CHECK_EXPR(Assignment, expected_type) {
111 CHECK_VAR(sum, expected_type);
112 CHECK_EXPR(BinaryOperation, expected_type) {
113 CHECK_VAR(sum, expected_type);
114 CHECK_EXPR(BinaryOperation, expected_type) {
115 CHECK_EXPR(Call, expected_type) {
116 CHECK_VAR(log, expected_type);
117 CHECK_EXPR(Property, expected_type) {
118 CHECK_VAR(values, expected_type);
119 CHECK_EXPR(BinaryOperation, expected_type) {
120 CHECK_VAR(p, expected_type);
121 CHECK_EXPR(Literal, expected_type);
122 }
123 }
124 }
125 CHECK_EXPR(Literal, expected_type);
126 }
127 }
128 }
129 // return +sum;
130 CHECK_EXPR(BinaryOperation, expected_type) {
131 CHECK_VAR(sum, expected_type);
132 CHECK_EXPR(Literal, expected_type);
133 }
134 }
135 // function geometricMean
136 CHECK_EXPR(FunctionLiteral, expected_type) {
137 CHECK_EXPR(Assignment, expected_type) {
138 CHECK_VAR(start, expected_type);
139 CHECK_EXPR(BinaryOperation, expected_type) {
140 CHECK_VAR(start, expected_type);
141 CHECK_EXPR(Literal, expected_type);
142 }
143 }
144 CHECK_EXPR(Assignment, expected_type) {
145 CHECK_VAR(end, expected_type);
146 CHECK_EXPR(BinaryOperation, expected_type) {
147 CHECK_VAR(end, expected_type);
148 CHECK_EXPR(Literal, expected_type);
149 }
150 }
151 // return +exp(+logSum(start, end) / +((end - start)|0));
152 CHECK_EXPR(BinaryOperation, expected_type) {
153 CHECK_EXPR(Call, expected_type) {
154 CHECK_VAR(exp, expected_type);
155 CHECK_EXPR(BinaryOperation, expected_type) {
156 CHECK_EXPR(BinaryOperation, expected_type) {
157 CHECK_EXPR(Call, expected_type) {
158 CHECK_VAR(logSum, expected_type);
159 CHECK_VAR(start, expected_type);
160 CHECK_VAR(end, expected_type);
161 }
162 CHECK_EXPR(Literal, expected_type);
163 }
164 CHECK_EXPR(BinaryOperation, expected_type) {
165 CHECK_EXPR(BinaryOperation, expected_type) {
166 CHECK_EXPR(BinaryOperation, expected_type) {
167 CHECK_VAR(end, expected_type);
168 CHECK_VAR(start, expected_type);
169 }
170 CHECK_EXPR(Literal, expected_type);
171 }
172 CHECK_EXPR(Literal, expected_type);
173 }
174 }
175 }
176 CHECK_EXPR(Literal, expected_type);
177 }
178 }
179 // "use asm";
180 CHECK_EXPR(Literal, expected_type);
181 // var exp = stdlib.Math.exp;
182 CHECK_EXPR(Assignment, expected_type) {
183 CHECK_VAR(exp, expected_type);
184 CHECK_EXPR(Property, expected_type) {
185 CHECK_EXPR(Property, expected_type) {
186 CHECK_VAR(stdlib, expected_type);
187 CHECK_EXPR(Literal, expected_type);
188 }
189 CHECK_EXPR(Literal, expected_type);
190 }
191 }
192 // var log = stdlib.Math.log;
193 CHECK_EXPR(Assignment, expected_type) {
194 CHECK_VAR(log, expected_type);
195 CHECK_EXPR(Property, expected_type) {
196 CHECK_EXPR(Property, expected_type) {
197 CHECK_VAR(stdlib, expected_type);
198 CHECK_EXPR(Literal, expected_type);
199 }
200 CHECK_EXPR(Literal, expected_type);
201 }
202 }
203 // var values = new stdlib.Float64Array(buffer);
204 CHECK_EXPR(Assignment, expected_type) {
205 CHECK_VAR(values, expected_type);
206 CHECK_EXPR(CallNew, expected_type) {
207 CHECK_EXPR(Property, expected_type) {
208 CHECK_VAR(stdlib, expected_type);
209 CHECK_EXPR(Literal, expected_type);
210 }
211 CHECK_VAR(buffer, expected_type);
212 }
213 }
214 // return { geometricMean: geometricMean };
215 CHECK_EXPR(ObjectLiteral, expected_type) {
216 CHECK_VAR(geometricMean, expected_type);
217 }
218 }
219 }
220 CHECK_TYPES_END
221 }
222
223 } // namespace
224
225
226 TEST(ResetTypingInfo) {
227 const char test_function[] =
228 "function GeometricMean(stdlib, foreign, buffer) {\n"
229 " \"use asm\";\n"
230 "\n"
231 " var exp = stdlib.Math.exp;\n"
232 " var log = stdlib.Math.log;\n"
233 " var values = new stdlib.Float64Array(buffer);\n"
234 "\n"
235 " function logSum(start, end) {\n"
236 " start = start|0;\n"
237 " end = end|0;\n"
238 "\n"
239 " var sum = 0.0, p = 0, q = 0;\n"
240 "\n"
241 " // asm.js forces byte addressing of the heap by requiring shifting "
242 "by 3\n"
243 " for (p = start << 3, q = end << 3; (p|0) < (q|0); p = (p + 8)|0) {\n"
244 " sum = sum + +log(values[p>>3]);\n"
245 " }\n"
246 "\n"
247 " return +sum;\n"
248 " }\n"
249 "\n"
250 " function geometricMean(start, end) {\n"
251 " start = start|0;\n"
252 " end = end|0;\n"
253 "\n"
254 " return +exp(+logSum(start, end) / +((end - start)|0));\n"
255 " }\n"
256 "\n"
257 " return { geometricMean: geometricMean };\n"
258 "}\n";
259
260 v8::V8::Initialize();
261 HandleAndZoneScope handles;
262
263 i::Isolate* isolate = CcTest::i_isolate();
264 i::Factory* factory = isolate->factory();
265
266 i::Handle<i::String> source_code =
267 factory->NewStringFromUtf8(i::CStrVector(test_function))
268 .ToHandleChecked();
269
270 i::Handle<i::Script> script = factory->NewScript(source_code);
271
272 i::ParseInfo info(handles.main_zone(), script);
273 i::Parser parser(&info);
274 info.set_global();
275 info.set_lazy(false);
276 info.set_allow_lazy_parsing(false);
277 info.set_toplevel(true);
278
279 CHECK(i::Compiler::ParseAndAnalyze(&info));
280 FunctionLiteral* root =
281 info.scope()->declarations()->at(0)->AsFunctionDeclaration()->fun();
282
283 // Core of the test.
284 ZoneVector<ExpressionTypeEntry> types(handles.main_zone());
285 ExpressionTypeCollector(isolate, root, &types).Run();
286 CheckAllSame(types, Bounds::Unbounded());
287
288 TypeSetter(isolate, root).Run();
289
290 ExpressionTypeCollector(isolate, root, &types).Run();
291 CheckAllSame(types, INT32_TYPE);
292
293 TypingReseter(isolate, root).Run();
294
295 ExpressionTypeCollector(isolate, root, &types).Run();
296 CheckAllSame(types, Bounds::Unbounded());
297 }
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