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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/compiler/ast-loop-assignment-analyzer.h" | 5 #include "src/compiler/ast-loop-assignment-analyzer.h" |
6 #include "src/parser.h" | 6 #include "src/parser.h" |
7 #include "src/rewriter.h" | 7 #include "src/rewriter.h" |
8 #include "src/scopes.h" | 8 #include "src/scopes.h" |
9 #include "test/cctest/cctest.h" | 9 #include "test/cctest/cctest.h" |
10 | 10 |
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30 void CheckLoopAssignedCount(int expected, const char* var_name) { | 30 void CheckLoopAssignedCount(int expected, const char* var_name) { |
31 // TODO(titzer): don't scope analyze every single time. | 31 // TODO(titzer): don't scope analyze every single time. |
32 CompilationInfo info(function, main_zone()); | 32 CompilationInfo info(function, main_zone()); |
33 | 33 |
34 CHECK(Parser::Parse(&info)); | 34 CHECK(Parser::Parse(&info)); |
35 CHECK(Rewriter::Rewrite(&info)); | 35 CHECK(Rewriter::Rewrite(&info)); |
36 CHECK(Scope::Analyze(&info)); | 36 CHECK(Scope::Analyze(&info)); |
37 | 37 |
38 Scope* scope = info.function()->scope(); | 38 Scope* scope = info.function()->scope(); |
39 AstValueFactory* factory = info.ast_value_factory(); | 39 AstValueFactory* factory = info.ast_value_factory(); |
40 CHECK(scope); | 40 CHECK_NE(NULL, scope); |
41 | 41 |
42 if (result == NULL) { | 42 if (result == NULL) { |
43 AstLoopAssignmentAnalyzer analyzer(main_zone(), &info); | 43 AstLoopAssignmentAnalyzer analyzer(main_zone(), &info); |
44 result = analyzer.Analyze(); | 44 result = analyzer.Analyze(); |
45 CHECK(result); | 45 CHECK_NE(NULL, result); |
46 } | 46 } |
47 | 47 |
48 const i::AstRawString* name = factory->GetOneByteString(var_name); | 48 const i::AstRawString* name = factory->GetOneByteString(var_name); |
49 | 49 |
50 i::Variable* var = scope->Lookup(name); | 50 i::Variable* var = scope->Lookup(name); |
51 CHECK(var); | 51 CHECK_NE(NULL, var); |
52 | 52 |
53 if (var->location() == Variable::UNALLOCATED) { | 53 if (var->location() == Variable::UNALLOCATED) { |
54 CHECK_EQ(0, expected); | 54 CHECK_EQ(0, expected); |
55 } else { | 55 } else { |
56 CHECK(var->IsStackAllocated()); | 56 CHECK(var->IsStackAllocated()); |
57 CHECK_EQ(expected, result->GetAssignmentCountForTesting(scope, var)); | 57 CHECK_EQ(expected, result->GetAssignmentCountForTesting(scope, var)); |
58 } | 58 } |
59 } | 59 } |
60 }; | 60 }; |
61 } | 61 } |
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285 " while (1) z++;" | 285 " while (1) z++;" |
286 " }" | 286 " }" |
287 "}" | 287 "}" |
288 "w;"); | 288 "w;"); |
289 | 289 |
290 f.CheckLoopAssignedCount(1, "x"); | 290 f.CheckLoopAssignedCount(1, "x"); |
291 f.CheckLoopAssignedCount(3, "y"); | 291 f.CheckLoopAssignedCount(3, "y"); |
292 f.CheckLoopAssignedCount(5, "z"); | 292 f.CheckLoopAssignedCount(5, "z"); |
293 f.CheckLoopAssignedCount(0, "w"); | 293 f.CheckLoopAssignedCount(0, "w"); |
294 } | 294 } |
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