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Unified Diff: test/cctest/interpreter/test-bytecode-generator.cc

Issue 1416623003: [Interpreter] Add support for for count operations. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix gcc error Created 5 years, 2 months ago
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Index: test/cctest/interpreter/test-bytecode-generator.cc
diff --git a/test/cctest/interpreter/test-bytecode-generator.cc b/test/cctest/interpreter/test-bytecode-generator.cc
index 17a3766a128b282587b9023ba8c89311526ca65a..65c7ec350a41e0f052b6743080f687cbc3ba61b8 100644
--- a/test/cctest/interpreter/test-bytecode-generator.cc
+++ b/test/cctest/interpreter/test-bytecode-generator.cc
@@ -2916,6 +2916,295 @@ TEST(ContextParameters) {
}
}
+
+TEST(CountOperators) {
+ InitializedHandleScope handle_scope;
+ BytecodeGeneratorHelper helper;
+ Zone zone;
+
+ FeedbackVectorSpec feedback_spec(&zone);
+ FeedbackVectorSlot slot1 = feedback_spec.AddLoadICSlot();
+ FeedbackVectorSlot slot2 = feedback_spec.AddStoreICSlot();
+
+ Handle<i::TypeFeedbackVector> vector =
+ i::NewTypeFeedbackVector(helper.isolate(), &feedback_spec);
+
+ int closure = Register::function_closure().index();
+ int first_context_slot = Context::MIN_CONTEXT_SLOTS;
+
+ int object_literal_flags =
+ ObjectLiteral::kFastElements | ObjectLiteral::kDisableMementos;
+
+ ExpectedSnippet<InstanceType> snippets[] = {
+ {"var a = 1; return ++a;",
+ 1 * kPointerSize,
+ 1,
+ 11,
+ {
+ B(LdaSmi8), U8(1), //
+ B(Star), R(0), //
+ B(Ldar), R(0), //
+ B(ToNumber), //
+ B(Inc), //
+ B(Star), R(0), //
+ B(Return), //
+ }},
+ {"var a = 1; return a++;",
+ 2 * kPointerSize,
+ 1,
+ 15,
+ {
+ B(LdaSmi8), U8(1), //
+ B(Star), R(0), //
+ B(Ldar), R(0), //
+ B(ToNumber), //
+ B(Star), R(1), //
+ B(Inc), //
+ B(Star), R(0), //
+ B(Ldar), R(1), //
+ B(Return), //
+ }},
+ {"var a = 1; return --a;",
+ 1 * kPointerSize,
+ 1,
+ 11,
+ {
+ B(LdaSmi8), U8(1), //
+ B(Star), R(0), //
+ B(Ldar), R(0), //
+ B(ToNumber), //
+ B(Dec), //
+ B(Star), R(0), //
+ B(Return), //
+ }},
+ {"var a = 1; return a--;",
+ 2 * kPointerSize,
+ 1,
+ 15,
+ {
+ B(LdaSmi8), U8(1), //
+ B(Star), R(0), //
+ B(Ldar), R(0), //
+ B(ToNumber), //
+ B(Star), R(1), //
+ B(Dec), //
+ B(Star), R(0), //
+ B(Ldar), R(1), //
+ B(Return), //
+ }},
+ {"var a = { val: 1 }; return a.val++;",
+ 2 * kPointerSize,
+ 1,
+ 22,
+ {
+ B(LdaConstant), U8(0), //
+ B(CreateObjectLiteral), U8(0), U8(object_literal_flags), //
+ B(Star), R(0), //
+ B(LoadICSloppy), R(0), U8(1), U8(vector->GetIndex(slot1)), //
+ B(ToNumber), //
+ B(Star), R(1), //
+ B(Inc), //
+ B(StoreICSloppy), R(0), U8(1), U8(vector->GetIndex(slot2)), //
+ B(Ldar), R(1), //
+ B(Return), //
+ },
+ 2,
+ {InstanceType::FIXED_ARRAY_TYPE,
+ InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE}},
+ {"var a = { val: 1 }; return --a.val;",
+ 1 * kPointerSize,
+ 1,
+ 18,
+ {
+ B(LdaConstant), U8(0), //
+ B(CreateObjectLiteral), U8(0), U8(object_literal_flags), //
+ B(Star), R(0), //
+ B(LoadICSloppy), R(0), U8(1), U8(vector->GetIndex(slot1)), //
+ B(ToNumber), //
+ B(Dec), //
+ B(StoreICSloppy), R(0), U8(1), U8(vector->GetIndex(slot2)), //
+ B(Return), //
+ },
+ 2,
+ {InstanceType::FIXED_ARRAY_TYPE,
+ InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE}},
+ {"var name = 'var'; var a = { val: 1 }; return a[name]--;",
+ 4 * kPointerSize,
+ 1,
+ 29,
+ {
+ B(LdaConstant), U8(0), //
+ B(Star), R(0), //
+ B(LdaConstant), U8(1), //
+ B(CreateObjectLiteral), U8(0), U8(object_literal_flags), //
+ B(Star), R(1), //
+ B(Ldar), R(0), //
+ B(Star), R(2), //
+ B(KeyedLoadICSloppy), R(1), U8(vector->GetIndex(slot1)), //
+ B(ToNumber), //
+ B(Star), R(3), //
+ B(Dec), //
+ B(KeyedStoreICSloppy), R(1), R(2), U8(vector->GetIndex(slot2)), //
+ B(Ldar), R(3), //
+ B(Return), //
+ },
+ 2,
+ {InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+ InstanceType::FIXED_ARRAY_TYPE}},
+ {"var name = 'var'; var a = { val: 1 }; return ++a[name];",
+ 3 * kPointerSize,
+ 1,
+ 25,
+ {
+ B(LdaConstant), U8(0), //
+ B(Star), R(0), //
+ B(LdaConstant), U8(1), //
+ B(CreateObjectLiteral), U8(0), U8(object_literal_flags), //
+ B(Star), R(1), //
+ B(Ldar), R(0), //
+ B(Star), R(2), //
+ B(KeyedLoadICSloppy), R(1), U8(vector->GetIndex(slot1)), //
+ B(ToNumber), //
+ B(Inc), //
+ B(KeyedStoreICSloppy), R(1), R(2), U8(vector->GetIndex(slot2)), //
+ B(Return), //
+ },
+ 2,
+ {InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+ InstanceType::FIXED_ARRAY_TYPE}},
+ {"var a = 1; var b = function() { return a }; return ++a;",
+ 2 * kPointerSize,
+ 1,
+ 27,
+ {
+ B(CallRuntime), U16(Runtime::kNewFunctionContext), R(closure), //
+ U8(1), //
+ B(PushContext), R(1), //
+ B(LdaSmi8), U8(1), //
+ B(StaContextSlot), R(1), U8(first_context_slot), //
+ B(LdaConstant), U8(0), //
+ B(CreateClosure), U8(0), //
+ B(Star), R(0), //
+ B(LdaContextSlot), R(1), U8(first_context_slot), //
+ B(ToNumber), //
+ B(Inc), //
+ B(StaContextSlot), R(1), U8(first_context_slot), //
+ B(Return), //
+ },
+ 1,
+ {InstanceType::SHARED_FUNCTION_INFO_TYPE}},
+ {"var a = 1; var b = function() { return a }; return a--;",
+ 3 * kPointerSize,
+ 1,
+ 31,
+ {
+ B(CallRuntime), U16(Runtime::kNewFunctionContext), R(closure), //
+ U8(1), //
+ B(PushContext), R(1), //
+ B(LdaSmi8), U8(1), //
+ B(StaContextSlot), R(1), U8(first_context_slot), //
+ B(LdaConstant), U8(0), //
+ B(CreateClosure), U8(0), //
+ B(Star), R(0), //
+ B(LdaContextSlot), R(1), U8(first_context_slot), //
+ B(ToNumber), //
+ B(Star), R(2), //
+ B(Dec), //
+ B(StaContextSlot), R(1), U8(first_context_slot), //
+ B(Ldar), R(2), //
+ B(Return), //
+ },
+ 1,
+ {InstanceType::SHARED_FUNCTION_INFO_TYPE}},
+ };
+
+ for (size_t i = 0; i < arraysize(snippets); i++) {
+ Handle<BytecodeArray> bytecode_array =
+ helper.MakeBytecodeForFunctionBody(snippets[i].code_snippet);
+ CheckBytecodeArrayEqual(snippets[i], bytecode_array);
+ }
+}
+
+
+TEST(GlobalCountOperators) {
+ InitializedHandleScope handle_scope;
+ BytecodeGeneratorHelper helper;
+ Zone zone;
+
+ FeedbackVectorSpec feedback_spec(&zone);
+ FeedbackVectorSlot slot1 = feedback_spec.AddLoadICSlot();
+ FeedbackVectorSlot slot2 = feedback_spec.AddStoreICSlot();
+
+ Handle<i::TypeFeedbackVector> vector =
+ i::NewTypeFeedbackVector(helper.isolate(), &feedback_spec);
+
+ ExpectedSnippet<const char*> snippets[] = {
+ {"var global = 1;\nfunction f() { return ++global; }\nf()",
+ 0,
+ 1,
+ 9,
+ {
+ B(LdaGlobalSloppy), U8(0), U8(vector->GetIndex(slot1)), //
+ B(ToNumber), //
+ B(Inc), //
+ B(StaGlobalSloppy), U8(0), U8(vector->GetIndex(slot2)), //
+ B(Return), //
+ },
+ 1,
+ {"global"}},
+ {"var global = 1;\nfunction f() { return global--; }\nf()",
+ 1 * kPointerSize,
+ 1,
+ 13,
+ {
+ B(LdaGlobalSloppy), U8(0), U8(vector->GetIndex(slot1)), //
+ B(ToNumber), //
+ B(Star), R(0), //
+ B(Dec), //
+ B(StaGlobalSloppy), U8(0), U8(vector->GetIndex(slot2)), //
+ B(Ldar), R(0), //
+ B(Return),
+ },
+ 1,
+ {"global"}},
+ {"unallocated = 1;\nfunction f() { 'use strict'; return --unallocated; }"
+ "f()",
+ 0,
+ 1,
+ 9,
+ {
+ B(LdaGlobalStrict), U8(0), U8(vector->GetIndex(slot1)), //
+ B(ToNumber), //
+ B(Dec), //
+ B(StaGlobalStrict), U8(0), U8(vector->GetIndex(slot2)), //
+ B(Return), //
+ },
+ 1,
+ {"unallocated"}},
+ {"unallocated = 1;\nfunction f() { return unallocated++; }\nf()",
+ 1 * kPointerSize,
+ 1,
+ 13,
+ {
+ B(LdaGlobalSloppy), U8(0), U8(vector->GetIndex(slot1)), //
+ B(ToNumber), //
+ B(Star), R(0), //
+ B(Inc), //
+ B(StaGlobalSloppy), U8(0), U8(vector->GetIndex(slot2)), //
+ B(Ldar), R(0), //
+ B(Return),
+ },
+ 1,
+ {"unallocated"}},
+ };
+
+ for (size_t i = 0; i < arraysize(snippets); i++) {
+ Handle<BytecodeArray> bytecode_array =
+ helper.MakeBytecode(snippets[i].code_snippet, "f");
+ CheckBytecodeArrayEqual(snippets[i], bytecode_array, true);
+ }
+}
+
} // namespace interpreter
} // namespace internal
} // namespace v8
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