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}
79 lines
1.4 KiB
Plaintext
79 lines
1.4 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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do expressions: yes
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---
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snippet: "
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var a = do { }; return a;
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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: 7
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(Mov), R(0), R(1),
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/* 50 S> */ B(Ldar), R(1),
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/* 60 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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var a = do { var x = 100; }; return a;
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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: 13
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 55 S> */ B(LdaSmi), U8(100),
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B(Star), R(1),
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/* 42 S> */ B(LdrUndefined), R(0),
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B(Ldar), R(0),
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B(Star), R(2),
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/* 63 S> */ B(Nop),
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/* 73 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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while(true) { var a = 10; a = do { ++a; break; }; a = 20; }
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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: 24
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 34 E> */ B(StackCheck),
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/* 56 S> */ B(LdaSmi), U8(10),
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B(Star), R(1),
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/* 69 S> */ B(Inc),
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B(Star), R(1),
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B(Star), R(0),
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/* 74 S> */ B(Jump), U8(11),
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B(Mov), R(0), R(1),
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/* 84 S> */ B(LdaSmi), U8(20),
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B(Star), R(1),
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B(Jump), U8(-19),
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B(LdaUndefined),
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/* 94 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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