| // Copyright 2015 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <stdlib.h> |
| |
| #include "src/v8.h" |
| |
| #include "src/ast/ast.h" |
| #include "src/ast/ast-expression-visitor.h" |
| #include "src/ast/scopes.h" |
| #include "src/parsing/parser.h" |
| #include "src/parsing/rewriter.h" |
| #include "src/typing-reset.h" |
| #include "test/cctest/cctest.h" |
| #include "test/cctest/compiler/function-tester.h" |
| #include "test/cctest/expression-type-collector.h" |
| #include "test/cctest/expression-type-collector-macros.h" |
| |
| #define INT32_TYPE Bounds(Type::Signed32(), Type::Signed32()) |
| |
| using namespace v8::internal; |
| |
| namespace { |
| |
| class TypeSetter : public AstExpressionVisitor { |
| public: |
| TypeSetter(Isolate* isolate, FunctionLiteral* root) |
| : AstExpressionVisitor(isolate, root) {} |
| |
| protected: |
| void VisitExpression(Expression* expression) { |
| expression->set_bounds(INT32_TYPE); |
| } |
| }; |
| |
| |
| void CheckAllSame(ZoneVector<ExpressionTypeEntry>& types, |
| Bounds expected_type) { |
| CHECK_TYPES_BEGIN { |
| // function logSum |
| CHECK_EXPR(FunctionLiteral, expected_type) { |
| CHECK_EXPR(FunctionLiteral, expected_type) { |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(start, expected_type); |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(start, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(end, expected_type); |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(end, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(sum, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(p, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(q, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| // for (p = start << 3, q = end << 3; |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(p, expected_type); |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(start, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(q, expected_type); |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(end, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| } |
| // (p|0) < (q|0); |
| CHECK_EXPR(CompareOperation, expected_type) { |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(p, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(q, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| // p = (p + 8)|0) {\n" |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(p, expected_type); |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(p, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| // sum = sum + +log(values[p>>3]); |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(sum, expected_type); |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(sum, expected_type); |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_EXPR(Call, expected_type) { |
| CHECK_VAR(log, expected_type); |
| CHECK_EXPR(Property, expected_type) { |
| CHECK_VAR(values, expected_type); |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(p, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| } |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| } |
| // return +sum; |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(sum, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| // function geometricMean |
| CHECK_EXPR(FunctionLiteral, expected_type) { |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(start, expected_type); |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(start, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(end, expected_type); |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(end, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| // return +exp(+logSum(start, end) / +((end - start)|0)); |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_EXPR(Call, expected_type) { |
| CHECK_VAR(exp, expected_type); |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_EXPR(Call, expected_type) { |
| CHECK_VAR(logSum, expected_type); |
| CHECK_VAR(start, expected_type); |
| CHECK_VAR(end, expected_type); |
| } |
| CHECK_EXPR(Literal, expected_type); |
| } |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_EXPR(BinaryOperation, expected_type) { |
| CHECK_VAR(end, expected_type); |
| CHECK_VAR(start, expected_type); |
| } |
| CHECK_EXPR(Literal, expected_type); |
| } |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| } |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| // "use asm"; |
| CHECK_EXPR(Literal, expected_type); |
| // var exp = stdlib.Math.exp; |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(exp, expected_type); |
| CHECK_EXPR(Property, expected_type) { |
| CHECK_EXPR(Property, expected_type) { |
| CHECK_VAR(stdlib, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| // var log = stdlib.Math.log; |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(log, expected_type); |
| CHECK_EXPR(Property, expected_type) { |
| CHECK_EXPR(Property, expected_type) { |
| CHECK_VAR(stdlib, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| CHECK_EXPR(Literal, expected_type); |
| } |
| } |
| // var values = new stdlib.Float64Array(buffer); |
| CHECK_EXPR(Assignment, expected_type) { |
| CHECK_VAR(values, expected_type); |
| CHECK_EXPR(CallNew, expected_type) { |
| CHECK_EXPR(Property, expected_type) { |
| CHECK_VAR(stdlib, expected_type); |
| CHECK_EXPR(Literal, expected_type); |
| } |
| CHECK_VAR(buffer, expected_type); |
| } |
| } |
| // return { geometricMean: geometricMean }; |
| CHECK_EXPR(ObjectLiteral, expected_type) { |
| CHECK_VAR(geometricMean, expected_type); |
| } |
| } |
| } |
| CHECK_TYPES_END |
| } |
| |
| } // namespace |
| |
| |
| TEST(ResetTypingInfo) { |
| const char test_function[] = |
| "function GeometricMean(stdlib, foreign, buffer) {\n" |
| " \"use asm\";\n" |
| "\n" |
| " var exp = stdlib.Math.exp;\n" |
| " var log = stdlib.Math.log;\n" |
| " var values = new stdlib.Float64Array(buffer);\n" |
| "\n" |
| " function logSum(start, end) {\n" |
| " start = start|0;\n" |
| " end = end|0;\n" |
| "\n" |
| " var sum = 0.0, p = 0, q = 0;\n" |
| "\n" |
| " // asm.js forces byte addressing of the heap by requiring shifting " |
| "by 3\n" |
| " for (p = start << 3, q = end << 3; (p|0) < (q|0); p = (p + 8)|0) {\n" |
| " sum = sum + +log(values[p>>3]);\n" |
| " }\n" |
| "\n" |
| " return +sum;\n" |
| " }\n" |
| "\n" |
| " function geometricMean(start, end) {\n" |
| " start = start|0;\n" |
| " end = end|0;\n" |
| "\n" |
| " return +exp(+logSum(start, end) / +((end - start)|0));\n" |
| " }\n" |
| "\n" |
| " return { geometricMean: geometricMean };\n" |
| "}\n"; |
| |
| v8::V8::Initialize(); |
| HandleAndZoneScope handles; |
| |
| i::Isolate* isolate = CcTest::i_isolate(); |
| i::Factory* factory = isolate->factory(); |
| |
| i::Handle<i::String> source_code = |
| factory->NewStringFromUtf8(i::CStrVector(test_function)) |
| .ToHandleChecked(); |
| |
| i::Handle<i::Script> script = factory->NewScript(source_code); |
| |
| i::ParseInfo info(handles.main_zone(), script); |
| i::Parser parser(&info); |
| parser.set_allow_harmony_sloppy(true); |
| info.set_global(); |
| info.set_lazy(false); |
| info.set_allow_lazy_parsing(false); |
| info.set_toplevel(true); |
| |
| CHECK(i::Compiler::ParseAndAnalyze(&info)); |
| FunctionLiteral* root = |
| info.scope()->declarations()->at(0)->AsFunctionDeclaration()->fun(); |
| |
| // Core of the test. |
| ZoneVector<ExpressionTypeEntry> types(handles.main_zone()); |
| ExpressionTypeCollector(isolate, root, &types).Run(); |
| CheckAllSame(types, Bounds::Unbounded()); |
| |
| TypeSetter(isolate, root).Run(); |
| |
| ExpressionTypeCollector(isolate, root, &types).Run(); |
| CheckAllSame(types, INT32_TYPE); |
| |
| TypingReseter(isolate, root).Run(); |
| |
| ExpressionTypeCollector(isolate, root, &types).Run(); |
| CheckAllSame(types, Bounds::Unbounded()); |
| } |