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v8/test/cctest/interpreter/bytecode_expectations/Modules.golden
Caitlin Potter bf463c4dc0 [async-iteration] implement AsyncGenerator 
- Introduce new struct AsyncGeneratorRequest, which holds
  information pertinent to resuming execution of an
  AsyncGenerator, such as the Promise associated with the async
  generator request. It is intended to be used as a singly
  linked list, and holds a pointer to the next item in te queue.

- Introduce JSAsyncGeneratorObject (subclass of
  JSGeneratorObject), which includes several new internal fields
  (`queue` which contains a singly linked list of
  AsyncGeneratorRequest objects, and `await_input` which
  contains the sent value from an Await expression (This is
  necessary to prevent function.sent (used by yield*) from
  having the sent value observably overwritten during
  execution).

- Modify SuspendGenerator to accept a set of Flags, which
  indicate whether the suspend is for a Yield or Await, and
  whether it takes place on an async generator or ES6
  generator.

- Introduce interpreter intrinsics and TF intrinsic lowering for
  accessing the await input of an async generator

- Modify the JSGeneratorStore operator to understand whether or
  not it's suspending for a normal yield, or an AsyncGenerator
  Await. This ensures appropriate registers are stored.

- Add versions of ResumeGeneratorTrampoline which store the
  input value in a different field depending on wether it's an
  AsyncGenerator Await resume, or an ordinary resume. Also modifies
  whether debug code will assert that the generator object is a
  JSGeneratorObject or a JSAsyncGeneratorObject depending on the
  resume type.

BUG=v8:5855
R=bmeurer@chromium.org, rmcilroy@chromium.org, jgruber@chromium.org,
littledan@chromium.org, neis@chromium.org
TBR=marja@chromium.org

Change-Id: I9d58df1d344465fc937fe7eed322424204497187
Reviewed-on: https://chromium-review.googlesource.com/446961
Commit-Queue: Caitlin Potter <caitp@igalia.com>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44240}
2017-03-29 17:33:12 +00:00

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#
# Autogenerated by generate-bytecode-expectations.
#
---
wrap: no
module: yes
top level: yes
---
snippet: "
import \"bar\";
"
frame size: 9
parameter count: 2
bytecode array length: 143
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(27),
B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(2),
B(ResumeGenerator), R(new_target),
B(Star), R(1),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(1),
B(JumpIfTrue), U8(64),
B(LdaSmi), I8(78),
B(Star), R(3),
B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(LdaConstant), U8(0),
B(Star), R(5),
B(Mov), R(arg0), R(3),
B(Mov), R(closure), R(4),
B(CallRuntime), U16(Runtime::kPushModuleContext), R(3), U8(3),
B(PushContext), R(0),
B(Ldar), R(this),
B(StaCurrentContextSlot), U8(4),
/* 0 E> */ B(StackCheck),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(4),
B(Mov), R(closure), R(3),
/* 0 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(3), U8(2),
B(StaCurrentContextSlot), U8(5),
B(Star), R(3),
B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(4),
B(LdaZero),
B(SuspendGenerator), R(4), U8(0),
B(Ldar), R(3),
/* 13 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(CallRuntime), U16(Runtime::k_GeneratorGetInputOrDebugPos), R(4), U8(1),
B(Star), R(5),
B(CallRuntime), U16(Runtime::k_GeneratorGetResumeMode), R(4), U8(1),
B(Star), R(6),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(24),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(15),
B(Jump), U8(2),
B(LdaTrue),
B(Star), R(8),
B(Mov), R(5), R(7),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(7), U8(2),
/* 13 S> */ B(Return),
B(Ldar), R(5),
/* 0 E> */ B(Throw),
B(Ldar), R(5),
B(StaCurrentContextSlot), U8(6),
B(LdaCurrentContextSlot), U8(6),
B(Star), R(3),
B(LdaTrue),
B(Star), R(4),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(3), U8(2),
/* 13 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
]
handlers: [
]
---
snippet: "
import {foo} from \"bar\";
"
frame size: 9
parameter count: 2
bytecode array length: 143
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(27),
B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(2),
B(ResumeGenerator), R(new_target),
B(Star), R(1),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(1),
B(JumpIfTrue), U8(64),
B(LdaSmi), I8(78),
B(Star), R(3),
B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(LdaConstant), U8(0),
B(Star), R(5),
B(Mov), R(arg0), R(3),
B(Mov), R(closure), R(4),
B(CallRuntime), U16(Runtime::kPushModuleContext), R(3), U8(3),
B(PushContext), R(0),
B(Ldar), R(this),
B(StaCurrentContextSlot), U8(4),
/* 0 E> */ B(StackCheck),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(4),
B(Mov), R(closure), R(3),
/* 0 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(3), U8(2),
B(StaCurrentContextSlot), U8(5),
B(Star), R(3),
B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(4),
B(LdaZero),
B(SuspendGenerator), R(4), U8(0),
B(Ldar), R(3),
/* 24 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(CallRuntime), U16(Runtime::k_GeneratorGetInputOrDebugPos), R(4), U8(1),
B(Star), R(5),
B(CallRuntime), U16(Runtime::k_GeneratorGetResumeMode), R(4), U8(1),
B(Star), R(6),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(24),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(15),
B(Jump), U8(2),
B(LdaTrue),
B(Star), R(8),
B(Mov), R(5), R(7),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(7), U8(2),
/* 24 S> */ B(Return),
B(Ldar), R(5),
/* 0 E> */ B(Throw),
B(Ldar), R(5),
B(StaCurrentContextSlot), U8(6),
B(LdaCurrentContextSlot), U8(6),
B(Star), R(3),
B(LdaTrue),
B(Star), R(4),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(3), U8(2),
/* 24 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
]
handlers: [
]
---
snippet: "
import {foo as goo} from \"bar\";
goo(42);
{ let x; { goo(42) } };
"
frame size: 10
parameter count: 2
bytecode array length: 213
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(27),
B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(3),
B(ResumeGenerator), R(new_target),
B(Star), R(2),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(2),
B(JumpIfTrue), U8(64),
B(LdaSmi), I8(78),
B(Star), R(4),
B(CallRuntime), U16(Runtime::kAbort), R(4), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(LdaConstant), U8(0),
B(Star), R(6),
B(Mov), R(arg0), R(4),
B(Mov), R(closure), R(5),
B(CallRuntime), U16(Runtime::kPushModuleContext), R(4), U8(3),
B(PushContext), R(0),
B(Ldar), R(this),
B(StaCurrentContextSlot), U8(4),
/* 0 E> */ B(StackCheck),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(5),
B(Mov), R(closure), R(4),
/* 0 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(4), U8(2),
B(StaCurrentContextSlot), U8(5),
B(Star), R(4),
B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(5),
B(LdaZero),
B(SuspendGenerator), R(5), U8(0),
B(Ldar), R(4),
/* 64 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(CallRuntime), U16(Runtime::k_GeneratorGetInputOrDebugPos), R(5), U8(1),
B(Star), R(6),
B(CallRuntime), U16(Runtime::k_GeneratorGetResumeMode), R(5), U8(1),
B(Star), R(7),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(7),
B(JumpIfTrue), U8(24),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(7),
B(JumpIfTrue), U8(15),
B(Jump), U8(2),
B(LdaTrue),
B(Star), R(9),
B(Mov), R(6), R(8),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(8), U8(2),
/* 64 S> */ B(Return),
B(Ldar), R(6),
/* 0 E> */ B(Throw),
/* 32 S> */ B(LdaUndefined),
B(Star), R(5),
/* 32 E> */ B(LdaModuleVariable), I8(-1), U8(0),
B(JumpIfNotHole), U8(11),
B(LdaConstant), U8(1),
B(Star), R(6),
B(CallRuntime), U16(Runtime::kThrowReferenceError), R(6), U8(1),
B(Star), R(4),
B(LdaSmi), I8(42),
B(Star), R(6),
/* 32 E> */ B(Call1), R(4), R(5), R(6), U8(2),
B(Ldar), R(closure),
B(CreateBlockContext), U8(2),
B(PushContext), R(1),
B(LdaTheHole),
B(StaCurrentContextSlot), U8(4),
/* 47 S> */ B(LdaUndefined),
/* 47 E> */ B(StaCurrentContextSlot), U8(4),
/* 52 S> */ B(LdaUndefined),
B(Star), R(5),
/* 52 E> */ B(LdaModuleVariable), I8(-1), U8(1),
B(JumpIfNotHole), U8(11),
B(LdaConstant), U8(1),
B(Star), R(6),
B(CallRuntime), U16(Runtime::kThrowReferenceError), R(6), U8(1),
B(Star), R(4),
B(LdaSmi), I8(42),
B(Star), R(6),
/* 52 E> */ B(Call1), R(4), R(5), R(6), U8(4),
B(StaContextSlot), R(1), U8(6), U8(0),
B(PopContext), R(1),
B(LdaCurrentContextSlot), U8(6),
B(Star), R(4),
B(LdaTrue),
B(Star), R(5),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(4), U8(2),
/* 64 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["goo"],
FIXED_ARRAY_TYPE,
]
handlers: [
]
---
snippet: "
export var foo = 42;
foo++;
{ let x; { foo++ } };
"
frame size: 10
parameter count: 2
bytecode array length: 184
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(27),
B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(3),
B(ResumeGenerator), R(new_target),
B(Star), R(2),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(2),
B(JumpIfTrue), U8(64),
B(LdaSmi), I8(78),
B(Star), R(4),
B(CallRuntime), U16(Runtime::kAbort), R(4), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(LdaConstant), U8(0),
B(Star), R(6),
B(Mov), R(arg0), R(4),
B(Mov), R(closure), R(5),
B(CallRuntime), U16(Runtime::kPushModuleContext), R(4), U8(3),
B(PushContext), R(0),
B(Ldar), R(this),
B(StaCurrentContextSlot), U8(4),
/* 0 E> */ B(StackCheck),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(5),
B(Mov), R(closure), R(4),
/* 0 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(4), U8(2),
B(StaCurrentContextSlot), U8(5),
B(Star), R(4),
B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(5),
B(LdaZero),
B(SuspendGenerator), R(5), U8(0),
B(Ldar), R(4),
/* 49 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(CallRuntime), U16(Runtime::k_GeneratorGetInputOrDebugPos), R(5), U8(1),
B(Star), R(6),
B(CallRuntime), U16(Runtime::k_GeneratorGetResumeMode), R(5), U8(1),
B(Star), R(7),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(7),
B(JumpIfTrue), U8(24),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(7),
B(JumpIfTrue), U8(15),
B(Jump), U8(2),
B(LdaTrue),
B(Star), R(9),
B(Mov), R(6), R(8),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(8), U8(2),
/* 49 S> */ B(Return),
B(Ldar), R(6),
/* 0 E> */ B(Throw),
/* 17 S> */ B(LdaSmi), I8(42),
/* 17 E> */ B(StaModuleVariable), I8(1), U8(0),
/* 21 S> */ B(LdaModuleVariable), I8(1), U8(0),
B(Inc), U8(2),
/* 24 E> */ B(StaModuleVariable), I8(1), U8(0),
B(Ldar), R(closure),
B(CreateBlockContext), U8(1),
B(PushContext), R(1),
B(LdaTheHole),
B(StaCurrentContextSlot), U8(4),
/* 34 S> */ B(LdaUndefined),
/* 34 E> */ B(StaCurrentContextSlot), U8(4),
/* 39 S> */ B(LdaModuleVariable), I8(1), U8(1),
B(ToNumber), R(4),
B(Ldar), R(4),
B(Inc), U8(3),
/* 42 E> */ B(StaModuleVariable), I8(1), U8(1),
B(Ldar), R(4),
B(StaContextSlot), R(1), U8(6), U8(0),
B(PopContext), R(1),
B(LdaCurrentContextSlot), U8(6),
B(Star), R(4),
B(LdaTrue),
B(Star), R(5),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(4), U8(2),
/* 49 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
FIXED_ARRAY_TYPE,
]
handlers: [
]
---
snippet: "
export let foo = 42;
foo++;
{ let x; { foo++ } };
"
frame size: 10
parameter count: 2
bytecode array length: 188
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(27),
B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(3),
B(ResumeGenerator), R(new_target),
B(Star), R(2),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(2),
B(JumpIfTrue), U8(68),
B(LdaSmi), I8(78),
B(Star), R(4),
B(CallRuntime), U16(Runtime::kAbort), R(4), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(LdaConstant), U8(0),
B(Star), R(6),
B(Mov), R(arg0), R(4),
B(Mov), R(closure), R(5),
B(CallRuntime), U16(Runtime::kPushModuleContext), R(4), U8(3),
B(PushContext), R(0),
B(Ldar), R(this),
B(StaCurrentContextSlot), U8(4),
B(LdaTheHole),
B(StaModuleVariable), I8(1), U8(0),
/* 0 E> */ B(StackCheck),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(5),
B(Mov), R(closure), R(4),
/* 0 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(4), U8(2),
B(StaCurrentContextSlot), U8(5),
B(Star), R(4),
B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(5),
B(LdaZero),
B(SuspendGenerator), R(5), U8(0),
B(Ldar), R(4),
/* 49 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(CallRuntime), U16(Runtime::k_GeneratorGetInputOrDebugPos), R(5), U8(1),
B(Star), R(6),
B(CallRuntime), U16(Runtime::k_GeneratorGetResumeMode), R(5), U8(1),
B(Star), R(7),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(7),
B(JumpIfTrue), U8(24),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(7),
B(JumpIfTrue), U8(15),
B(Jump), U8(2),
B(LdaTrue),
B(Star), R(9),
B(Mov), R(6), R(8),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(8), U8(2),
/* 49 S> */ B(Return),
B(Ldar), R(6),
/* 0 E> */ B(Throw),
/* 17 S> */ B(LdaSmi), I8(42),
/* 17 E> */ B(StaModuleVariable), I8(1), U8(0),
/* 21 S> */ B(LdaModuleVariable), I8(1), U8(0),
B(Inc), U8(2),
/* 24 E> */ B(StaModuleVariable), I8(1), U8(0),
B(Ldar), R(closure),
B(CreateBlockContext), U8(1),
B(PushContext), R(1),
B(LdaTheHole),
B(StaCurrentContextSlot), U8(4),
/* 34 S> */ B(LdaUndefined),
/* 34 E> */ B(StaCurrentContextSlot), U8(4),
/* 39 S> */ B(LdaModuleVariable), I8(1), U8(1),
B(ToNumber), R(4),
B(Ldar), R(4),
B(Inc), U8(3),
/* 42 E> */ B(StaModuleVariable), I8(1), U8(1),
B(Ldar), R(4),
B(StaContextSlot), R(1), U8(6), U8(0),
B(PopContext), R(1),
B(LdaCurrentContextSlot), U8(6),
B(Star), R(4),
B(LdaTrue),
B(Star), R(5),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(4), U8(2),
/* 49 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
FIXED_ARRAY_TYPE,
]
handlers: [
]
---
snippet: "
export const foo = 42;
foo++;
{ let x; { foo++ } };
"
frame size: 10
parameter count: 2
bytecode array length: 192
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(27),
B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(3),
B(ResumeGenerator), R(new_target),
B(Star), R(2),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(2),
B(JumpIfTrue), U8(68),
B(LdaSmi), I8(78),
B(Star), R(4),
B(CallRuntime), U16(Runtime::kAbort), R(4), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(LdaConstant), U8(0),
B(Star), R(6),
B(Mov), R(arg0), R(4),
B(Mov), R(closure), R(5),
B(CallRuntime), U16(Runtime::kPushModuleContext), R(4), U8(3),
B(PushContext), R(0),
B(Ldar), R(this),
B(StaCurrentContextSlot), U8(4),
B(LdaTheHole),
B(StaModuleVariable), I8(1), U8(0),
/* 0 E> */ B(StackCheck),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(5),
B(Mov), R(closure), R(4),
/* 0 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(4), U8(2),
B(StaCurrentContextSlot), U8(5),
B(Star), R(4),
B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(5),
B(LdaZero),
B(SuspendGenerator), R(5), U8(0),
B(Ldar), R(4),
/* 51 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(CallRuntime), U16(Runtime::k_GeneratorGetInputOrDebugPos), R(5), U8(1),
B(Star), R(6),
B(CallRuntime), U16(Runtime::k_GeneratorGetResumeMode), R(5), U8(1),
B(Star), R(7),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(7),
B(JumpIfTrue), U8(24),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(7),
B(JumpIfTrue), U8(15),
B(Jump), U8(2),
B(LdaTrue),
B(Star), R(9),
B(Mov), R(6), R(8),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(8), U8(2),
/* 51 S> */ B(Return),
B(Ldar), R(6),
/* 0 E> */ B(Throw),
/* 19 S> */ B(LdaSmi), I8(42),
/* 19 E> */ B(StaModuleVariable), I8(1), U8(0),
/* 23 S> */ B(LdaModuleVariable), I8(1), U8(0),
B(Inc), U8(2),
/* 26 E> */ B(CallRuntime), U16(Runtime::kThrowConstAssignError), R(0), U8(0),
B(Ldar), R(closure),
B(CreateBlockContext), U8(1),
B(PushContext), R(1),
B(LdaTheHole),
B(StaCurrentContextSlot), U8(4),
/* 36 S> */ B(LdaUndefined),
/* 36 E> */ B(StaCurrentContextSlot), U8(4),
/* 41 S> */ B(LdaModuleVariable), I8(1), U8(1),
B(ToNumber), R(4),
B(Ldar), R(4),
B(Inc), U8(3),
/* 44 E> */ B(CallRuntime), U16(Runtime::kThrowConstAssignError), R(0), U8(0),
B(Ldar), R(4),
B(StaContextSlot), R(1), U8(6), U8(0),
B(PopContext), R(1),
B(LdaCurrentContextSlot), U8(6),
B(Star), R(4),
B(LdaTrue),
B(Star), R(5),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(4), U8(2),
/* 51 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
FIXED_ARRAY_TYPE,
]
handlers: [
]
---
snippet: "
export default (function () {});
"
frame size: 9
parameter count: 2
bytecode array length: 154
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(27),
B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(2),
B(ResumeGenerator), R(new_target),
B(Star), R(1),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(1),
B(JumpIfTrue), U8(68),
B(LdaSmi), I8(78),
B(Star), R(3),
B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(LdaConstant), U8(0),
B(Star), R(5),
B(Mov), R(arg0), R(3),
B(Mov), R(closure), R(4),
B(CallRuntime), U16(Runtime::kPushModuleContext), R(3), U8(3),
B(PushContext), R(0),
B(Ldar), R(this),
B(StaCurrentContextSlot), U8(4),
B(LdaTheHole),
B(StaModuleVariable), I8(1), U8(0),
/* 0 E> */ B(StackCheck),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(4),
B(Mov), R(closure), R(3),
/* 0 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(3), U8(2),
B(StaCurrentContextSlot), U8(5),
B(Star), R(3),
B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(4),
B(LdaZero),
B(SuspendGenerator), R(4), U8(0),
B(Ldar), R(3),
/* 32 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(CallRuntime), U16(Runtime::k_GeneratorGetInputOrDebugPos), R(4), U8(1),
B(Star), R(5),
B(CallRuntime), U16(Runtime::k_GeneratorGetResumeMode), R(4), U8(1),
B(Star), R(6),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(24),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(15),
B(Jump), U8(2),
B(LdaTrue),
B(Star), R(8),
B(Mov), R(5), R(7),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(7), U8(2),
/* 32 S> */ B(Return),
B(Ldar), R(5),
/* 0 E> */ B(Throw),
B(Ldar), R(5),
B(StaCurrentContextSlot), U8(6),
B(CreateClosure), U8(1), U8(2), U8(0),
B(StaModuleVariable), I8(1), U8(0),
B(LdaCurrentContextSlot), U8(6),
B(Star), R(3),
B(LdaTrue),
B(Star), R(4),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(3), U8(2),
/* 32 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
SHARED_FUNCTION_INFO_TYPE,
]
handlers: [
]
---
snippet: "
export default (class {});
"
frame size: 9
parameter count: 2
bytecode array length: 191
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(27),
B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(2),
B(ResumeGenerator), R(new_target),
B(Star), R(1),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(1),
B(JumpIfTrue), U8(68),
B(LdaSmi), I8(78),
B(Star), R(3),
B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(LdaConstant), U8(0),
B(Star), R(5),
B(Mov), R(arg0), R(3),
B(Mov), R(closure), R(4),
B(CallRuntime), U16(Runtime::kPushModuleContext), R(3), U8(3),
B(PushContext), R(0),
B(Ldar), R(this),
B(StaCurrentContextSlot), U8(4),
B(LdaTheHole),
B(StaModuleVariable), I8(1), U8(0),
/* 0 E> */ B(StackCheck),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(4),
B(Mov), R(closure), R(3),
/* 0 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(3), U8(2),
B(StaCurrentContextSlot), U8(5),
B(Star), R(3),
B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(4),
B(LdaZero),
B(SuspendGenerator), R(4), U8(0),
B(Ldar), R(3),
/* 26 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(CallRuntime), U16(Runtime::k_GeneratorGetInputOrDebugPos), R(4), U8(1),
B(Star), R(5),
B(CallRuntime), U16(Runtime::k_GeneratorGetResumeMode), R(4), U8(1),
B(Star), R(6),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(24),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(15),
B(Jump), U8(2),
B(LdaTrue),
B(Star), R(8),
B(Mov), R(5), R(7),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(7), U8(2),
/* 26 S> */ B(Return),
B(Ldar), R(5),
/* 0 E> */ B(Throw),
B(Ldar), R(5),
B(StaCurrentContextSlot), U8(7),
/* 16 S> */ B(CreateClosure), U8(1), U8(2), U8(0),
B(Star), R(3),
B(LdaTheHole),
B(Star), R(4),
B(LdaSmi), I8(16),
B(Star), R(6),
B(LdaSmi), I8(24),
B(Star), R(7),
B(Mov), R(3), R(5),
B(CallRuntime), U16(Runtime::kDefineClass), R(4), U8(4),
B(Star), R(4),
B(CallRuntime), U16(Runtime::kInstallClassNameAccessor), R(3), U8(1),
B(CallRuntime), U16(Runtime::kToFastProperties), R(3), U8(1),
B(StaCurrentContextSlot), U8(6),
B(LdaCurrentContextSlot), U8(6),
/* 16 E> */ B(StaModuleVariable), I8(1), U8(0),
B(LdaCurrentContextSlot), U8(7),
B(Star), R(3),
B(LdaTrue),
B(Star), R(4),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(3), U8(2),
/* 26 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
SHARED_FUNCTION_INFO_TYPE,
]
handlers: [
]
---
snippet: "
export {foo as goo} from \"bar\"
"
frame size: 9
parameter count: 2
bytecode array length: 143
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(27),
B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(2),
B(ResumeGenerator), R(new_target),
B(Star), R(1),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(1),
B(JumpIfTrue), U8(64),
B(LdaSmi), I8(78),
B(Star), R(3),
B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(LdaConstant), U8(0),
B(Star), R(5),
B(Mov), R(arg0), R(3),
B(Mov), R(closure), R(4),
B(CallRuntime), U16(Runtime::kPushModuleContext), R(3), U8(3),
B(PushContext), R(0),
B(Ldar), R(this),
B(StaCurrentContextSlot), U8(4),
/* 0 E> */ B(StackCheck),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(4),
B(Mov), R(closure), R(3),
/* 0 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(3), U8(2),
B(StaCurrentContextSlot), U8(5),
B(Star), R(3),
B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(4),
B(LdaZero),
B(SuspendGenerator), R(4), U8(0),
B(Ldar), R(3),
/* 30 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(CallRuntime), U16(Runtime::k_GeneratorGetInputOrDebugPos), R(4), U8(1),
B(Star), R(5),
B(CallRuntime), U16(Runtime::k_GeneratorGetResumeMode), R(4), U8(1),
B(Star), R(6),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(24),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(15),
B(Jump), U8(2),
B(LdaTrue),
B(Star), R(8),
B(Mov), R(5), R(7),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(7), U8(2),
/* 30 S> */ B(Return),
B(Ldar), R(5),
/* 0 E> */ B(Throw),
B(Ldar), R(5),
B(StaCurrentContextSlot), U8(6),
B(LdaCurrentContextSlot), U8(6),
B(Star), R(3),
B(LdaTrue),
B(Star), R(4),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(3), U8(2),
/* 30 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
]
handlers: [
]
---
snippet: "
export * from \"bar\"
"
frame size: 9
parameter count: 2
bytecode array length: 143
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(27),
B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(2),
B(ResumeGenerator), R(new_target),
B(Star), R(1),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(1),
B(JumpIfTrue), U8(64),
B(LdaSmi), I8(78),
B(Star), R(3),
B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(LdaConstant), U8(0),
B(Star), R(5),
B(Mov), R(arg0), R(3),
B(Mov), R(closure), R(4),
B(CallRuntime), U16(Runtime::kPushModuleContext), R(3), U8(3),
B(PushContext), R(0),
B(Ldar), R(this),
B(StaCurrentContextSlot), U8(4),
/* 0 E> */ B(StackCheck),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(4),
B(Mov), R(closure), R(3),
/* 0 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(3), U8(2),
B(StaCurrentContextSlot), U8(5),
B(Star), R(3),
B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(4),
B(LdaZero),
B(SuspendGenerator), R(4), U8(0),
B(Ldar), R(3),
/* 19 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(CallRuntime), U16(Runtime::k_GeneratorGetInputOrDebugPos), R(4), U8(1),
B(Star), R(5),
B(CallRuntime), U16(Runtime::k_GeneratorGetResumeMode), R(4), U8(1),
B(Star), R(6),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(24),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(15),
B(Jump), U8(2),
B(LdaTrue),
B(Star), R(8),
B(Mov), R(5), R(7),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(7), U8(2),
/* 19 S> */ B(Return),
B(Ldar), R(5),
/* 0 E> */ B(Throw),
B(Ldar), R(5),
B(StaCurrentContextSlot), U8(6),
B(LdaCurrentContextSlot), U8(6),
B(Star), R(3),
B(LdaTrue),
B(Star), R(4),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(3), U8(2),
/* 19 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
]
handlers: [
]
---
snippet: "
import * as foo from \"bar\"
foo.f(foo, foo.x);
"
frame size: 9
parameter count: 2
bytecode array length: 181
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(27),
B(CallRuntime), U16(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(2),
B(ResumeGenerator), R(new_target),
B(Star), R(1),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(1),
B(JumpIfTrue), U8(74),
B(LdaSmi), I8(78),
B(Star), R(3),
B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(LdaConstant), U8(0),
B(Star), R(5),
B(Mov), R(arg0), R(3),
B(Mov), R(closure), R(4),
B(CallRuntime), U16(Runtime::kPushModuleContext), R(3), U8(3),
B(PushContext), R(0),
B(Ldar), R(this),
B(StaCurrentContextSlot), U8(4),
B(LdaZero),
B(Star), R(3),
B(CallRuntime), U16(Runtime::kGetModuleNamespace), R(3), U8(1),
B(StaCurrentContextSlot), U8(6),
/* 0 E> */ B(StackCheck),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(4),
B(Mov), R(closure), R(3),
/* 0 E> */ B(CallRuntime), U16(Runtime::kCreateJSGeneratorObject), R(3), U8(2),
B(StaCurrentContextSlot), U8(5),
B(Star), R(3),
B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(4),
B(LdaZero),
B(SuspendGenerator), R(4), U8(0),
B(Ldar), R(3),
/* 45 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(1),
B(CallRuntime), U16(Runtime::k_GeneratorGetInputOrDebugPos), R(4), U8(1),
B(Star), R(5),
B(CallRuntime), U16(Runtime::k_GeneratorGetResumeMode), R(4), U8(1),
B(Star), R(6),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(24),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(6),
B(JumpIfTrue), U8(15),
B(Jump), U8(2),
B(LdaTrue),
B(Star), R(8),
B(Mov), R(5), R(7),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(7), U8(2),
/* 45 S> */ B(Return),
B(Ldar), R(5),
/* 0 E> */ B(Throw),
/* 27 S> */ B(LdaImmutableCurrentContextSlot), U8(6),
B(Star), R(4),
/* 30 E> */ B(LdaNamedProperty), R(4), U8(1), U8(4),
B(Star), R(3),
B(LdaImmutableCurrentContextSlot), U8(6),
B(Star), R(5),
B(LdaImmutableCurrentContextSlot), U8(6),
B(Star), R(6),
/* 41 E> */ B(LdaNamedProperty), R(6), U8(2), U8(6),
B(Star), R(6),
/* 31 E> */ B(CallProperty2), R(3), R(4), R(5), R(6), U8(2),
B(StaCurrentContextSlot), U8(7),
B(LdaCurrentContextSlot), U8(7),
B(Star), R(3),
B(LdaTrue),
B(Star), R(4),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(3), U8(2),
/* 45 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["f"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
]
handlers: [
]
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