b54dbdc6bf
Cleans up a plethora of JumpIfUndefined().JumpIfNull() occurances by introducing a new JumpIfUndefinedOrNull bytecode. Change-Id: I715e9dd82ca8309e0f3eb6514ddec19b4efe7dbe Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1743148 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#63130}
431 lines
15 KiB
Plaintext
431 lines
15 KiB
Plaintext
#
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# Autogenerated by generate-bytecode-expectations.
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#
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---
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wrap: yes
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---
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snippet: "
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for (var p of [0, 1, 2]) {}
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"
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frame size: 15
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parameter count: 1
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bytecode array length: 171
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 48 S> */ B(CreateArrayLiteral), U8(0), U8(0), U8(37),
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B(Star), R(4),
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B(LdaNamedProperty), R(4), U8(1), U8(1),
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B(Star), R(5),
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B(CallProperty0), R(5), R(4), U8(3),
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B(JumpIfJSReceiver), U8(7),
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B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
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B(Star), R(3),
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B(LdaNamedProperty), R(3), U8(2), U8(5),
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B(Star), R(2),
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B(LdaFalse),
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B(Star), R(6),
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B(Mov), R(context), R(9),
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B(LdaTrue),
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B(Star), R(6),
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/* 43 S> */ B(CallProperty0), R(2), R(3), U8(7),
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B(Star), R(10),
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B(JumpIfJSReceiver), U8(7),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(10), U8(1),
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B(LdaNamedProperty), R(10), U8(3), U8(9),
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B(JumpIfToBooleanTrue), U8(23),
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B(LdaNamedProperty), R(10), U8(4), U8(11),
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B(Star), R(10),
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B(LdaFalse),
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B(Star), R(6),
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B(Mov), R(10), R(1),
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/* 34 E> */ B(StackCheck),
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/* 43 S> */ B(Mov), R(1), R(0),
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B(Ldar), R(10),
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B(JumpLoop), U8(40), I8(0),
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B(LdaSmi), I8(-1),
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B(Star), R(8),
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B(Star), R(7),
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B(Jump), U8(7),
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B(Star), R(8),
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B(LdaZero),
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B(Star), R(7),
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B(LdaTheHole),
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/* 43 E> */ B(SetPendingMessage),
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B(Star), R(9),
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B(Ldar), R(6),
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B(JumpIfToBooleanTrue), U8(58),
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B(LdaNamedProperty), R(3), U8(5), U8(13),
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B(Star), R(11),
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B(JumpIfUndefinedOrNull), U8(50),
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B(Mov), R(context), R(12),
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B(TestTypeOf), U8(6),
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B(JumpIfTrue), U8(18),
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B(Wide), B(LdaSmi), I16(159),
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B(Star), R(13),
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B(LdaConstant), U8(6),
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B(Star), R(14),
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B(CallRuntime), U16(Runtime::kNewTypeError), R(13), U8(2),
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B(Throw),
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B(CallProperty0), R(11), R(3), U8(15),
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B(JumpIfJSReceiver), U8(21),
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B(Star), R(13),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(13), U8(1),
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B(Jump), U8(12),
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B(Star), R(12),
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B(LdaZero),
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B(TestReferenceEqual), R(7),
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B(JumpIfTrue), U8(5),
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B(Ldar), R(12),
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B(ReThrow),
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B(Ldar), R(9),
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B(SetPendingMessage),
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B(LdaZero),
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B(TestReferenceEqual), R(7),
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B(JumpIfFalse), U8(5),
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B(Ldar), R(8),
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B(ReThrow),
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B(LdaUndefined),
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/* 62 S> */ B(Return),
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]
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constant pool: [
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ARRAY_BOILERPLATE_DESCRIPTION_TYPE,
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SYMBOL_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
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]
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handlers: [
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[38, 81, 89],
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[113, 146, 148],
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]
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---
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snippet: "
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var x = 'potatoes';
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for (var p of x) { return p; }
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"
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frame size: 16
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parameter count: 1
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bytecode array length: 182
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(LdaConstant), U8(0),
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B(Star), R(0),
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/* 68 S> */ B(LdaNamedProperty), R(0), U8(1), U8(0),
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B(Star), R(6),
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B(CallProperty0), R(6), R(0), U8(2),
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B(Mov), R(0), R(5),
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B(JumpIfJSReceiver), U8(7),
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B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
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B(Star), R(4),
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B(LdaNamedProperty), R(4), U8(2), U8(4),
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B(Star), R(3),
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B(LdaFalse),
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B(Star), R(7),
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B(Mov), R(context), R(10),
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B(LdaTrue),
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B(Star), R(7),
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/* 63 S> */ B(CallProperty0), R(3), R(4), U8(6),
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B(Star), R(11),
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B(JumpIfJSReceiver), U8(7),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(11), U8(1),
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B(LdaNamedProperty), R(11), U8(3), U8(8),
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B(JumpIfToBooleanTrue), U8(27),
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B(LdaNamedProperty), R(11), U8(4), U8(10),
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B(Star), R(11),
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B(LdaFalse),
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B(Star), R(7),
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B(Mov), R(11), R(2),
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/* 54 E> */ B(StackCheck),
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/* 63 S> */ B(Mov), R(2), R(1),
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/* 73 S> */ B(LdaSmi), I8(1),
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B(Mov), R(11), R(9),
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B(Star), R(8),
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B(Jump), U8(15),
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B(LdaSmi), I8(-1),
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B(Star), R(9),
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B(Star), R(8),
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B(Jump), U8(7),
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B(Star), R(9),
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B(LdaZero),
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B(Star), R(8),
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B(LdaTheHole),
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B(SetPendingMessage),
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B(Star), R(10),
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B(Ldar), R(7),
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B(JumpIfToBooleanTrue), U8(58),
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B(LdaNamedProperty), R(4), U8(5), U8(12),
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B(Star), R(12),
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B(JumpIfUndefinedOrNull), U8(50),
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B(Mov), R(context), R(13),
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B(TestTypeOf), U8(6),
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B(JumpIfTrue), U8(18),
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B(Wide), B(LdaSmi), I16(159),
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B(Star), R(14),
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B(LdaConstant), U8(6),
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B(Star), R(15),
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B(CallRuntime), U16(Runtime::kNewTypeError), R(14), U8(2),
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B(Throw),
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B(CallProperty0), R(12), R(4), U8(14),
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B(JumpIfJSReceiver), U8(21),
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B(Star), R(14),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(14), U8(1),
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B(Jump), U8(12),
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B(Star), R(13),
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B(LdaZero),
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B(TestReferenceEqual), R(8),
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B(JumpIfTrue), U8(5),
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B(Ldar), R(13),
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B(ReThrow),
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B(Ldar), R(10),
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B(SetPendingMessage),
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B(Ldar), R(8),
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B(SwitchOnSmiNoFeedback), U8(7), U8(2), I8(0),
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B(Jump), U8(8),
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B(Ldar), R(9),
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B(ReThrow),
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B(Ldar), R(9),
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/* 85 S> */ B(Return),
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B(LdaUndefined),
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/* 85 S> */ B(Return),
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]
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constant pool: [
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["potatoes"],
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SYMBOL_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
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Smi [6],
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Smi [9],
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]
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handlers: [
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[39, 86, 94],
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[118, 151, 153],
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]
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---
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snippet: "
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for (var x of [10, 20, 30]) {
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if (x == 10) continue;
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if (x == 20) break;
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}
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"
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frame size: 15
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parameter count: 1
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bytecode array length: 187
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 48 S> */ B(CreateArrayLiteral), U8(0), U8(0), U8(37),
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B(Star), R(4),
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B(LdaNamedProperty), R(4), U8(1), U8(1),
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B(Star), R(5),
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B(CallProperty0), R(5), R(4), U8(3),
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B(JumpIfJSReceiver), U8(7),
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B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
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B(Star), R(3),
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B(LdaNamedProperty), R(3), U8(2), U8(5),
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B(Star), R(2),
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B(LdaFalse),
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B(Star), R(6),
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B(Mov), R(context), R(9),
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B(LdaTrue),
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B(Star), R(6),
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/* 43 S> */ B(CallProperty0), R(2), R(3), U8(7),
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B(Star), R(10),
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B(JumpIfJSReceiver), U8(7),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(10), U8(1),
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B(LdaNamedProperty), R(10), U8(3), U8(9),
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B(JumpIfToBooleanTrue), U8(39),
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B(LdaNamedProperty), R(10), U8(4), U8(11),
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B(Star), R(10),
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B(LdaFalse),
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B(Star), R(6),
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B(Mov), R(10), R(1),
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/* 34 E> */ B(StackCheck),
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/* 43 S> */ B(Mov), R(1), R(0),
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/* 66 S> */ B(LdaSmi), I8(10),
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/* 72 E> */ B(TestEqual), R(0), U8(13),
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B(JumpIfFalse), U8(4),
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/* 79 S> */ B(Jump), U8(11),
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/* 91 S> */ B(LdaSmi), I8(20),
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/* 97 E> */ B(TestEqual), R(0), U8(14),
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B(JumpIfFalse), U8(4),
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/* 104 S> */ B(Jump), U8(5),
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B(JumpLoop), U8(56), I8(0),
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B(LdaSmi), I8(-1),
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B(Star), R(8),
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B(Star), R(7),
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B(Jump), U8(7),
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B(Star), R(8),
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B(LdaZero),
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B(Star), R(7),
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B(LdaTheHole),
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B(SetPendingMessage),
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B(Star), R(9),
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B(Ldar), R(6),
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B(JumpIfToBooleanTrue), U8(58),
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B(LdaNamedProperty), R(3), U8(5), U8(15),
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B(Star), R(11),
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B(JumpIfUndefinedOrNull), U8(50),
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B(Mov), R(context), R(12),
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B(TestTypeOf), U8(6),
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B(JumpIfTrue), U8(18),
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B(Wide), B(LdaSmi), I16(159),
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B(Star), R(13),
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B(LdaConstant), U8(6),
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B(Star), R(14),
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B(CallRuntime), U16(Runtime::kNewTypeError), R(13), U8(2),
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B(Throw),
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B(CallProperty0), R(11), R(3), U8(17),
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B(JumpIfJSReceiver), U8(21),
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B(Star), R(13),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(13), U8(1),
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B(Jump), U8(12),
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B(Star), R(12),
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B(LdaZero),
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B(TestReferenceEqual), R(7),
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B(JumpIfTrue), U8(5),
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B(Ldar), R(12),
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B(ReThrow),
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B(Ldar), R(9),
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B(SetPendingMessage),
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B(LdaZero),
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B(TestReferenceEqual), R(7),
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B(JumpIfFalse), U8(5),
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B(Ldar), R(8),
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B(ReThrow),
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B(LdaUndefined),
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/* 113 S> */ B(Return),
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]
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constant pool: [
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ARRAY_BOILERPLATE_DESCRIPTION_TYPE,
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SYMBOL_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
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]
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handlers: [
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[38, 97, 105],
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[129, 162, 164],
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]
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---
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snippet: "
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var x = { 'a': 1, 'b': 2 };
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for (x['a'] of [1,2,3]) { return x['a']; }
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"
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frame size: 15
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parameter count: 1
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bytecode array length: 193
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(41),
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B(Star), R(0),
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/* 77 S> */ B(CreateArrayLiteral), U8(1), U8(1), U8(37),
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B(Star), R(3),
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B(LdaNamedProperty), R(3), U8(2), U8(2),
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B(Star), R(4),
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B(CallProperty0), R(4), R(3), U8(4),
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B(JumpIfJSReceiver), U8(7),
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B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
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B(Star), R(2),
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B(LdaNamedProperty), R(2), U8(3), U8(6),
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B(Star), R(1),
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B(LdaFalse),
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B(Star), R(5),
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B(Mov), R(context), R(8),
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B(LdaTrue),
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B(Star), R(5),
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/* 68 S> */ B(CallProperty0), R(1), R(2), U8(8),
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B(Star), R(9),
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B(JumpIfJSReceiver), U8(7),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(9), U8(1),
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B(LdaNamedProperty), R(9), U8(4), U8(10),
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B(JumpIfToBooleanTrue), U8(33),
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B(LdaNamedProperty), R(9), U8(5), U8(12),
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B(Star), R(9),
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B(LdaFalse),
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B(Star), R(5),
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B(Ldar), R(9),
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/* 67 E> */ B(StaNamedProperty), R(0), U8(6), U8(14),
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/* 62 E> */ B(StackCheck),
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/* 96 S> */ B(LdaNamedProperty), R(0), U8(6), U8(16),
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B(Star), R(7),
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B(LdaSmi), I8(1),
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B(Star), R(6),
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B(Mov), R(0), R(10),
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B(Jump), U8(15),
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B(LdaSmi), I8(-1),
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B(Star), R(7),
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B(Star), R(6),
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B(Jump), U8(7),
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B(Star), R(7),
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B(LdaZero),
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B(Star), R(6),
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B(LdaTheHole),
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B(SetPendingMessage),
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B(Star), R(8),
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B(Ldar), R(5),
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B(JumpIfToBooleanTrue), U8(58),
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B(LdaNamedProperty), R(2), U8(7), U8(18),
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B(Star), R(11),
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B(JumpIfUndefinedOrNull), U8(50),
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B(Mov), R(context), R(12),
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B(TestTypeOf), U8(6),
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B(JumpIfTrue), U8(18),
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B(Wide), B(LdaSmi), I16(159),
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B(Star), R(13),
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B(LdaConstant), U8(8),
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B(Star), R(14),
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B(CallRuntime), U16(Runtime::kNewTypeError), R(13), U8(2),
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B(Throw),
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B(CallProperty0), R(11), R(2), U8(20),
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B(JumpIfJSReceiver), U8(21),
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B(Star), R(13),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(13), U8(1),
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B(Jump), U8(12),
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B(Star), R(12),
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B(LdaZero),
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B(TestReferenceEqual), R(6),
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B(JumpIfTrue), U8(5),
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B(Ldar), R(12),
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B(ReThrow),
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B(Ldar), R(8),
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B(SetPendingMessage),
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B(Ldar), R(6),
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B(SwitchOnSmiNoFeedback), U8(9), U8(2), I8(0),
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B(Jump), U8(8),
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B(Ldar), R(7),
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B(ReThrow),
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B(Ldar), R(7),
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/* 105 S> */ B(Return),
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B(LdaUndefined),
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/* 105 S> */ B(Return),
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]
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constant pool: [
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OBJECT_BOILERPLATE_DESCRIPTION_TYPE,
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ARRAY_BOILERPLATE_DESCRIPTION_TYPE,
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SYMBOL_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["a"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
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Smi [6],
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Smi [9],
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]
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handlers: [
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[44, 97, 105],
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[129, 162, 164],
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]
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