35f6c0fdbf
Currently we always generate a diamond in the graph builder for every legacy const context slot, which we cannot get rid of until late control reduction, even if we know after context specialization that the slot is already initialized. Now we generate a select instead, which the CommonOperatorReducer happily removes during typed lowering. This greatly speeds up asm.js code generated by Emscripten with the new POINTER_MASKING mode. R=mstarzinger@chromium.org Review URL: https://codereview.chromium.org/1072353002 Cr-Commit-Position: refs/heads/master@{#27739} |
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| intl | ||
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| memory | ||
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| mjsunit | ||
| mozilla | ||
| preparser | ||
| promises-aplus | ||
| test262 | ||
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| webkit | ||