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| author | Alon Zakai <alonzakai@gmail.com> | 2018-05-10 08:58:09 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-05-10 08:58:09 -0700 |
| commit | 111b4f1950467d51a78211af183f4ae6398aac49 (patch) | |
| tree | 7f53ab6389e2bcaacf761cbf33846ac0210bd098 /src/wasm-emscripten.h | |
| parent | 6a9ececa2fc9eca99a12b65ca130612942babdce (diff) | |
| download | binaryen-111b4f1950467d51a78211af183f4ae6398aac49.tar.gz binaryen-111b4f1950467d51a78211af183f4ae6398aac49.tar.bz2 binaryen-111b4f1950467d51a78211af183f4ae6398aac49.zip | |
Optimize equivalent locals (#1540)
If locals are known to contain the same value, we can
* Pick which local to use for a get_local of any of them. Makes sense to prefer the most common, to increase the chance of one dropping to zero uses.
* Remove copies between a local and one that we know contains the same value.
This is a consistent win, small though, around 0.1-0.2%.
Diffstat (limited to 'src/wasm-emscripten.h')
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