[webkit-dev] Why using structure address for inline caching in LLInt?

Jiho Choi jray319 at gmail.com
Wed Mar 11 21:25:38 PDT 2015


I was wondering why structure address is compared instead of structure ID
for inline caching in LLInt. I thought about the case when structure table
entry is garbage-collected, but it shouldn't be collected if there is
bytecode instruction pointing to the entry. In addition, Baseline JIT is
using structure ID.

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