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sdk/pkg/vm/testcases/bytecode/literals.dart.expect
T
Alexander Markov e285bc52d7 [vm/kernel/bytecode] Optimize instantiation of types and type arguments 
This CL contains 2 optimizations:

* instantiator type arguments are reused if possible;

* instantiator and function type arguments are not loaded if they are
  not needed for a particular type being instantiated.

Change-Id: Id1f6e5385051044b3b9f78cef884a917e65e801d
Reviewed-on: https://dart-review.googlesource.com/58680
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2018-06-06 22:03:54 +00:00

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library #lib;
import self as self;
import "dart:core" as core;
class A extends core::Object {
final field core::int index;
final field core::String _name;
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#13
ReturnTOS
}
ConstantPool {
[0] = TypeArgs []
[1] = Int 0
[2] = String 'A.elem1'
[3] = Instance #lib::A type-args CP#0 {index: 1, _name: 2}
[4] = Int 1
[5] = String 'A.elem2'
[6] = Instance #lib::A type-args CP#0 {index: 4, _name: 5}
[7] = Int 2
[8] = String 'A.elem3'
[9] = Instance #lib::A type-args CP#0 {index: 7, _name: 8}
[10] = Int 3
[11] = String 'A.elem4'
[12] = Instance #lib::A type-args CP#0 {index: 10, _name: 11}
[13] = List type-arg #lib::A, entries CP# [3, 6, 9, 12]
}
] static const field core::List<self::A> values = const <self::A>[self::A::elem1, self::A::elem2, self::A::elem3, self::A::elem4];
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#3
ReturnTOS
}
ConstantPool {
[0] = TypeArgs []
[1] = Int 0
[2] = String 'A.elem1'
[3] = Instance #lib::A type-args CP#0 {index: 1, _name: 2}
}
] static const field self::A elem1 = const self::A::•(0, "A.elem1");
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#3
ReturnTOS
}
ConstantPool {
[0] = TypeArgs []
[1] = Int 1
[2] = String 'A.elem2'
[3] = Instance #lib::A type-args CP#0 {index: 1, _name: 2}
}
] static const field self::A elem2 = const self::A::•(1, "A.elem2");
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#3
ReturnTOS
}
ConstantPool {
[0] = TypeArgs []
[1] = Int 2
[2] = String 'A.elem3'
[3] = Instance #lib::A type-args CP#0 {index: 1, _name: 2}
}
] static const field self::A elem3 = const self::A::•(2, "A.elem3");
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#3
ReturnTOS
}
ConstantPool {
[0] = TypeArgs []
[1] = Int 3
[2] = String 'A.elem4'
[3] = Instance #lib::A type-args CP#0 {index: 1, _name: 2}
}
] static const field self::A elem4 = const self::A::•(3, "A.elem4");
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
Push FP[-7]
Push FP[-6]
StoreFieldTOS CP#0
Push FP[-7]
Push FP[-5]
StoreFieldTOS CP#1
Push FP[-7]
PushConstant CP#3
IndirectStaticCall 1, CP#2
Drop1
PushConstant CP#4
ReturnTOS
}
ConstantPool {
[0] = FieldOffset #lib::A::index
[1] = FieldOffset #lib::A::_name
[2] = ArgDesc num-args 1, num-type-args 0, names []
[3] = StaticICData target 'dart.core::Object::', arg-desc CP#2
[4] = Null
}
] const constructor •(core::int index, core::String _name) → void
: self::A::index = index, self::A::_name = _name, super core::Object::•()
;
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
Push FP[-5]
PushConstant CP#1
IndirectStaticCall 1, CP#0
ReturnTOS
PushConstant CP#2
ReturnTOS
}
ConstantPool {
[0] = ArgDesc num-args 1, num-type-args 0, names []
[1] = StaticICData get target '#lib::A::_name', arg-desc CP#0
[2] = Null
}
] method toString() → core::String
return this.{=self::A::_name};
}
class B extends core::Object {
final field core::int i;
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
Push FP[-6]
Push FP[-5]
StoreFieldTOS CP#0
Push FP[-6]
PushConstant CP#2
IndirectStaticCall 1, CP#1
Drop1
PushConstant CP#3
ReturnTOS
}
ConstantPool {
[0] = FieldOffset #lib::B::i
[1] = ArgDesc num-args 1, num-type-args 0, names []
[2] = StaticICData target 'dart.core::Object::', arg-desc CP#1
[3] = Null
}
] const constructor •(core::int i) → void
: self::B::i = i, super core::Object::•()
;
}
class C extends self::B {
final field core::int j;
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
Push FP[-8]
Push FP[-7]
Push FP[-6]
InstanceCall1 2, CP#1
StoreFieldTOS CP#2
Push FP[-8]
Push FP[-5]
PushConstant CP#3
InstanceCall1 2, CP#4
PushConstant CP#5
IndirectStaticCall 2, CP#0
Drop1
PushConstant CP#6
ReturnTOS
}
ConstantPool {
[0] = ArgDesc num-args 2, num-type-args 0, names []
[1] = ICData target-name '+', arg-desc CP#0
[2] = FieldOffset #lib::C::j
[3] = Int 5
[4] = ICData target-name '*', arg-desc CP#0
[5] = StaticICData target '#lib::B::', arg-desc CP#0
[6] = Null
}
] const constructor •(core::int a, core::int b, core::int c) → void
: self::C::j = a.{core::num::+}(b), super self::B::•(c.{core::num::*}(5))
;
}
class D extends core::Object {
final field dynamic x;
final field dynamic y;
[@vm.bytecode=
Bytecode {
EntryOptional 2, 1, 0
LoadConstant r2, CP#0
Frame 0
CheckStack
Push r0
Push r1
StoreFieldTOS CP#1
Push r0
Push r2
StoreFieldTOS CP#2
Push r0
PushConstant CP#4
IndirectStaticCall 1, CP#3
Drop1
PushConstant CP#0
ReturnTOS
}
ConstantPool {
[0] = Null
[1] = FieldOffset #lib::D::x
[2] = FieldOffset #lib::D::y
[3] = ArgDesc num-args 1, num-type-args 0, names []
[4] = StaticICData target 'dart.core::Object::', arg-desc CP#3
}
] const constructor •(dynamic x, [dynamic y = null]) → void
: self::D::x = x, self::D::y = y, super core::Object::•()
;
}
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#3
ReturnTOS
}
ConstantPool {
[0] = TypeArgs []
[1] = Int 2
[2] = String 'A.elem3'
[3] = Instance #lib::A type-args CP#0 {index: 1, _name: 2}
}
]static const field self::A c1 = self::A::elem3;
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#0
ReturnTOS
}
ConstantPool {
[0] = String 'hello!'
}
]static const field core::String c2 = "hello!";
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#0
ReturnTOS
}
ConstantPool {
[0] = Int 6
}
]static const field core::int c3 = self::c2.{core::String::length};
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#3
ReturnTOS
}
ConstantPool {
[0] = TypeArgs []
[1] = Int 3
[2] = Int 15
[3] = Instance #lib::C type-args CP#0 {j: 1, i: 2}
}
]static const field self::C c4 = const self::C::•(1, 2, 3);
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#4
ReturnTOS
}
ConstantPool {
[0] = TypeArgs []
[1] = Int 4
[2] = Instance #lib::B type-args CP#0 {i: 1}
[3] = Null
[4] = Instance #lib::D type-args CP#0 {x: 2, y: 3}
}
]static const field self::D c5 = const self::D::•(const self::B::•(4));
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#3
PushConstant CP#5
IndirectStaticCall 1, CP#4
Drop1
PushConstant CP#6
PushConstant CP#7
IndirectStaticCall 1, CP#4
Drop1
PushConstant CP#8
PushConstant CP#9
IndirectStaticCall 1, CP#4
Drop1
PushConstant CP#12
PushConstant CP#13
IndirectStaticCall 1, CP#4
Drop1
PushConstant CP#17
PushConstant CP#18
IndirectStaticCall 1, CP#4
Drop1
PushConstant CP#16
ReturnTOS
}
ConstantPool {
[0] = TypeArgs []
[1] = Int 2
[2] = String 'A.elem3'
[3] = Instance #lib::A type-args CP#0 {index: 1, _name: 2}
[4] = ArgDesc num-args 1, num-type-args 0, names []
[5] = StaticICData target 'dart.core::print', arg-desc CP#4
[6] = String 'hello!'
[7] = StaticICData target 'dart.core::print', arg-desc CP#4
[8] = Int 6
[9] = StaticICData target 'dart.core::print', arg-desc CP#4
[10] = Int 3
[11] = Int 15
[12] = Instance #lib::C type-args CP#0 {j: 10, i: 11}
[13] = StaticICData target 'dart.core::print', arg-desc CP#4
[14] = Int 4
[15] = Instance #lib::B type-args CP#0 {i: 14}
[16] = Null
[17] = Instance #lib::D type-args CP#0 {x: 15, y: 16}
[18] = StaticICData target 'dart.core::print', arg-desc CP#4
}
]static method test_constants1() → void {
core::print(self::c1);
core::print(self::c2);
core::print(self::c3);
core::print(self::c4);
core::print(self::c5);
}
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#0
PushConstant CP#2
IndirectStaticCall 1, CP#1
Drop1
PushConstant CP#3
PushConstant CP#4
IndirectStaticCall 1, CP#1
Drop1
PushConstant CP#8
PushConstant CP#9
IndirectStaticCall 1, CP#1
Drop1
PushConstant CP#10
PushConstant CP#11
IndirectStaticCall 1, CP#1
Drop1
PushConstant CP#19
PushConstant CP#20
IndirectStaticCall 1, CP#1
Drop1
PushConstant CP#30
PushConstant CP#31
IndirectStaticCall 1, CP#1
Drop1
PushConstant CP#32
ReturnTOS
}
ConstantPool {
[0] = Int 42
[1] = ArgDesc num-args 1, num-type-args 0, names []
[2] = StaticICData target 'dart.core::print', arg-desc CP#1
[3] = String 'foo'
[4] = StaticICData target 'dart.core::print', arg-desc CP#1
[5] = TypeArgs []
[6] = Int 1
[7] = String 'A.elem2'
[8] = Instance #lib::A type-args CP#5 {index: 6, _name: 7}
[9] = StaticICData target 'dart.core::print', arg-desc CP#1
[10] = List type-arg dart.core::Object, entries CP# [0, 3]
[11] = StaticICData target 'dart.core::print', arg-desc CP#1
[12] = TypeArgs [dart.core::String, #lib::A]
[13] = String 'E2'
[14] = String 'E4'
[15] = Int 3
[16] = String 'A.elem4'
[17] = Instance #lib::A type-args CP#5 {index: 15, _name: 16}
[18] = List type-arg dynamic, entries CP# [13, 8, 14, 17]
[19] = Instance dart.core::_ImmutableMap type-args CP#12 {_kvPairs: 18}
[20] = StaticICData target 'dart.core::print', arg-desc CP#1
[21] = Int 9
[22] = Int 30
[23] = Instance #lib::C type-args CP#5 {j: 21, i: 22}
[24] = TypeArgs [dart.core::String, dart.core::Object]
[25] = String 'bar'
[26] = Int 6
[27] = Instance #lib::B type-args CP#5 {i: 26}
[28] = List type-arg dynamic, entries CP# [3, 0, 25, 27]
[29] = Instance dart.core::_ImmutableMap type-args CP#24 {_kvPairs: 28}
[30] = Instance #lib::D type-args CP#5 {x: 23, y: 29}
[31] = StaticICData target 'dart.core::print', arg-desc CP#1
[32] = Null
}
]static method test_constants2() → void {
core::print(42);
core::print("foo");
core::print(self::A::elem2);
core::print(const <core::Object>[42, "foo"]);
core::print(const <core::String, self::A>{"E2": self::A::elem2, "E4": self::A::elem4});
core::print(const self::D::•(const self::C::•(4, 5, 6), const <core::String, core::Object>{"foo": 42, "bar": const self::B::•(self::c2.{core::String::length})}));
}
[@vm.bytecode=
Bytecode {
Entry 1
CheckStack
PushConstant CP#0
StoreLocal r0
Push r0
PushConstant CP#1
CreateArrayTOS
StoreLocal r0
Push r0
PushConstant CP#2
PushConstant CP#3
StoreIndexedTOS
Push r0
PushConstant CP#3
Push FP[-5]
StoreIndexedTOS
Push r0
PushConstant CP#4
PushConstant CP#1
StoreIndexedTOS
PushConstant CP#6
IndirectStaticCall 2, CP#5
PushConstant CP#8
IndirectStaticCall 1, CP#7
Drop1
PushConstant CP#9
StoreLocal r0
Push r0
PushConstant CP#1
CreateArrayTOS
StoreLocal r0
Push r0
PushConstant CP#2
PushConstant CP#10
StoreIndexedTOS
Push r0
PushConstant CP#3
Push FP[-5]
InstanceCall1 1, CP#11
StoreIndexedTOS
Push r0
PushConstant CP#4
PushConstant CP#12
StoreIndexedTOS
PushConstant CP#13
IndirectStaticCall 2, CP#5
PushConstant CP#14
IndirectStaticCall 1, CP#7
Drop1
PushConstant CP#15
ReturnTOS
}
ConstantPool {
[0] = TypeArgs [dart.core::int]
[1] = Int 3
[2] = Int 0
[3] = Int 1
[4] = Int 2
[5] = ArgDesc num-args 1, num-type-args 1, names []
[6] = StaticICData target 'dart.core::List::_fromLiteral', arg-desc CP#5
[7] = ArgDesc num-args 1, num-type-args 0, names []
[8] = StaticICData target 'dart.core::print', arg-desc CP#7
[9] = TypeArgs [dart.core::String]
[10] = String 'a'
[11] = ICData target-name 'toString', arg-desc CP#7
[12] = String 'b'
[13] = StaticICData target 'dart.core::List::_fromLiteral', arg-desc CP#5
[14] = StaticICData target 'dart.core::print', arg-desc CP#7
[15] = Null
}
]static method test_list_literal(core::int a) → void {
core::print(<core::int>[1, a, 3]);
core::print(<core::String>["a", a.{core::int::toString}(), "b"]);
}
[@vm.bytecode=
Bytecode {
Entry 1
CheckStack
PushConstant CP#0
PushConstant CP#1
PushConstant CP#2
CreateArrayTOS
StoreLocal r0
Push r0
PushConstant CP#3
PushConstant CP#4
StoreIndexedTOS
Push r0
PushConstant CP#4
Push FP[-7]
StoreIndexedTOS
Push r0
PushConstant CP#5
Push FP[-6]
StoreIndexedTOS
Push r0
PushConstant CP#6
PushConstant CP#5
StoreIndexedTOS
PushConstant CP#8
IndirectStaticCall 2, CP#7
PushConstant CP#10
IndirectStaticCall 1, CP#9
Drop1
PushConstant CP#11
PushConstant CP#1
PushConstant CP#2
CreateArrayTOS
StoreLocal r0
Push r0
PushConstant CP#3
PushConstant CP#12
StoreIndexedTOS
Push r0
PushConstant CP#4
Push FP[-7]
StoreIndexedTOS
Push r0
PushConstant CP#5
Push FP[-6]
InstanceCall1 1, CP#13
StoreIndexedTOS
Push r0
PushConstant CP#6
PushConstant CP#6
StoreIndexedTOS
PushConstant CP#14
IndirectStaticCall 2, CP#7
PushConstant CP#15
IndirectStaticCall 1, CP#9
Drop1
PushConstant CP#16
Push FP[-8]
InstantiateTypeArgumentsTOS 1, CP#17
PushConstant CP#18
PushConstant CP#19
IndirectStaticCall 2, CP#7
PushConstant CP#20
IndirectStaticCall 1, CP#9
Drop1
PushConstant CP#16
Push FP[-8]
InstantiateTypeArgumentsTOS 1, CP#21
PushConstant CP#1
PushConstant CP#5
CreateArrayTOS
StoreLocal r0
Push r0
PushConstant CP#3
Push FP[-5]
StoreIndexedTOS
Push r0
PushConstant CP#4
PushConstant CP#2
StoreIndexedTOS
PushConstant CP#22
IndirectStaticCall 2, CP#7
PushConstant CP#23
IndirectStaticCall 1, CP#9
Drop1
PushConstant CP#16
ReturnTOS
}
ConstantPool {
[0] = TypeArgs [dart.core::int, dart.core::int]
[1] = TypeArgs [dynamic]
[2] = Int 4
[3] = Int 0
[4] = Int 1
[5] = Int 2
[6] = Int 3
[7] = ArgDesc num-args 1, num-type-args 1, names []
[8] = StaticICData target 'dart.core::Map::_fromLiteral', arg-desc CP#7
[9] = ArgDesc num-args 1, num-type-args 0, names []
[10] = StaticICData target 'dart.core::print', arg-desc CP#9
[11] = TypeArgs [dart.core::String, dart.core::int]
[12] = String 'foo'
[13] = ICData target-name 'toString', arg-desc CP#9
[14] = StaticICData target 'dart.core::Map::_fromLiteral', arg-desc CP#7
[15] = StaticICData target 'dart.core::print', arg-desc CP#9
[16] = Null
[17] = TypeArgs [dart.core::String, #lib::test_map_literal::T]
[18] = List type-arg dynamic, entries CP# []
[19] = StaticICData target 'dart.core::Map::_fromLiteral', arg-desc CP#7
[20] = StaticICData target 'dart.core::print', arg-desc CP#9
[21] = TypeArgs [#lib::test_map_literal::T, dart.core::int]
[22] = StaticICData target 'dart.core::Map::_fromLiteral', arg-desc CP#7
[23] = StaticICData target 'dart.core::print', arg-desc CP#9
}
]static method test_map_literal<T extends core::Object = dynamic>(core::int a, core::int b, self::test_map_literal::T c) → void {
core::print(<core::int, core::int>{1: a, b: 2});
core::print(<core::String, core::int>{"foo": a, b.{core::int::toString}(): 3});
core::print(<core::String, self::test_map_literal::T>{});
core::print(<self::test_map_literal::T, core::int>{c: 4});
}
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#0
PushConstant CP#2
IndirectStaticCall 1, CP#1
Drop1
PushConstant CP#3
ReturnTOS
}
ConstantPool {
[0] = Symbol 'test_symbol'
[1] = ArgDesc num-args 1, num-type-args 0, names []
[2] = StaticICData target 'dart.core::print', arg-desc CP#1
[3] = Null
}
]static method test_symbol() → void {
core::print(#test_symbol);
}
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#0
PushConstant CP#2
IndirectStaticCall 1, CP#1
Drop1
PushConstant CP#4
Push FP[-5]
InstantiateType CP#3
PushConstant CP#5
IndirectStaticCall 1, CP#1
Drop1
PushConstant CP#4
ReturnTOS
}
ConstantPool {
[0] = Type dart.core::String
[1] = ArgDesc num-args 1, num-type-args 0, names []
[2] = StaticICData target 'dart.core::print', arg-desc CP#1
[3] = Type #lib::test_type_literal::T
[4] = Null
[5] = StaticICData target 'dart.core::print', arg-desc CP#1
}
]static method test_type_literal<T extends core::Object = dynamic>() → void {
core::print(core::String);
core::print(self::test_type_literal::T);
}
[@vm.bytecode=
Bytecode {
Entry 0
CheckStack
PushConstant CP#0
ReturnTOS
}
ConstantPool {
[0] = Null
}
]static method main() → dynamic {}
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