769d332619
With this change the bytecode array builder only emits expression positions for bytecodes that can throw. This allows more peephole optimization opportunities and results in smaller code. BUG=v8:4280,chromium:615979 LOG=N Review-Url: https://codereview.chromium.org/2038323002 Cr-Commit-Position: refs/heads/master@{#36863}
117 lines
2.5 KiB
Plaintext
117 lines
2.5 KiB
Plaintext
#
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# Autogenerated by generate-bytecode-expectations.
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#
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---
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pool type: string
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execute: yes
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wrap: yes
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---
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snippet: "
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const x = 10;
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"
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frame size: 1
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parameter count: 1
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bytecode array length: 10
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bytecodes: [
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B(LdaTheHole),
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B(Star), R(0),
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/* 30 E> */ B(StackCheck),
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/* 44 S> */ B(LdaSmi), U8(10),
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B(Star), R(0),
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B(LdaUndefined),
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/* 48 S> */ B(Return),
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]
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constant pool: [
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]
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handlers: [
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]
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---
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snippet: "
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const x = 10; return x;
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"
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frame size: 2
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parameter count: 1
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bytecode array length: 20
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bytecodes: [
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B(LdaTheHole),
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B(Star), R(0),
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/* 30 E> */ B(StackCheck),
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/* 44 S> */ B(LdaSmi), U8(10),
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B(Star), R(0),
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/* 48 S> */ B(JumpIfNotHole), U8(11),
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B(LdaConstant), U8(0),
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B(Star), R(1),
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B(CallRuntime), U16(Runtime::kThrowReferenceError), R(1), U8(1),
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/* 58 S> */ B(Return),
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]
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constant pool: [
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"x",
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]
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handlers: [
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]
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---
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snippet: "
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const x = ( x = 20);
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"
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frame size: 3
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parameter count: 1
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bytecode array length: 33
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bytecodes: [
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B(LdaTheHole),
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B(Star), R(0),
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/* 30 E> */ B(StackCheck),
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/* 48 S> */ B(LdaSmi), U8(20),
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B(Star), R(1),
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B(Ldar), R(0),
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B(JumpIfNotHole), U8(11),
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B(LdaConstant), U8(0),
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B(Star), R(2),
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/* 48 E> */ B(CallRuntime), U16(Runtime::kThrowReferenceError), R(2), U8(1),
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B(CallRuntime), U16(Runtime::kThrowConstAssignError), R(0), U8(0),
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B(Mov), R(1), R(0),
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B(Ldar), R(0),
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B(LdaUndefined),
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/* 55 S> */ B(Return),
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]
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constant pool: [
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"x",
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]
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handlers: [
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]
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---
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snippet: "
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const x = 10; x = 20;
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"
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frame size: 3
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parameter count: 1
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bytecode array length: 35
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bytecodes: [
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B(LdaTheHole),
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B(Star), R(0),
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/* 30 E> */ B(StackCheck),
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/* 44 S> */ B(LdaSmi), U8(10),
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B(Star), R(0),
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/* 48 S> */ B(LdaSmi), U8(20),
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B(Star), R(1),
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B(Ldar), R(0),
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B(JumpIfNotHole), U8(11),
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B(LdaConstant), U8(0),
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B(Star), R(2),
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/* 50 E> */ B(CallRuntime), U16(Runtime::kThrowReferenceError), R(2), U8(1),
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B(CallRuntime), U16(Runtime::kThrowConstAssignError), R(0), U8(0),
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B(Mov), R(1), R(0),
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B(LdaUndefined),
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/* 56 S> */ B(Return),
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]
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constant pool: [
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"x",
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]
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handlers: [
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]
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