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22 lines
1.4 KiB
Plaintext
22 lines
1.4 KiB
Plaintext
The aim of Binaryen, a compiler and toolchain infrastructure library for
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WebAssembly, is to make compiling to WebAssembly easy, fast, and effective.
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* Easy: Binaryen has a simple C API in a single header, and can also be used
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from JavaScript. It accepts input in WebAssembly-like form but also accepts
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a general control flow graph for compilers that prefer that.
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* Fast: Binaryen's internal IR uses compact data structures and is designed for
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completely parallel codegen and optimization, using all available CPU cores.
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Binaryen's IR also compiles down to WebAssembly extremely easily and quickly
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because it is essentially a subset of WebAssembly.
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* Effective: Binaryen's optimizer has many passes that can improve code very
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significantly (e.g. local coloring to coalesce local variables; dead code
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elimination; precomputing expressions when possible at compile time; etc.).
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These optimizations aim to make Binaryen powerful enough to be used as a
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compiler backend by itself. One specific area of focus is on
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WebAssembly-specific optimizations (that general-purpose compilers might not
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do), which you can think of as wasm minification, similar to minification for
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JavaScript, CSS, etc., all of which are language-specific (an example of such
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an optimization is block return value generation in SimplifyLocals).
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WWW: https://github.com/WebAssembly/binaryen
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