• bmeurer's avatar
    [turbofan] Properly optimize instanceof (even in the presence of @@hasInstance). · 241c024c
    bmeurer authored
    This is the TurboFan counterpart of http://crrev.com/2504263004, but it
    is a bit more involved, since in TurboFan we always inline the appropriate
    call to the @@hasInstance handler, and by that we can optimize a lot more
    patterns of instanceof than Crankshaft, and even yield fast instanceof
    for custom @@hasInstance handlers (which we can now properly inline as
    well).
    
    Also we now properly optimize Function.prototype[@@hasInstance], even if
    the right hand side of an instanceof doesn't have the Function.prototype
    as its direct prototype.
    
    For the baseline case, we still rely on the global protector cell, but
    we can address that in a follow-up as well, and make it more robust in
    general.
    
    TEST=mjsunit/compiler/instanceof
    BUG=v8:5640
    R=yangguo@chromium.org
    
    Review-Url: https://codereview.chromium.org/2511223003
    Cr-Commit-Position: refs/heads/master@{#41092}
    241c024c
Name
Last commit
Last update
..
benchmarks Loading commit data...
cctest Loading commit data...
common Loading commit data...
debugger Loading commit data...
fuzzer Loading commit data...
inspector Loading commit data...
intl Loading commit data...
js-perf-test Loading commit data...
memory Loading commit data...
message Loading commit data...
mjsunit Loading commit data...
mozilla Loading commit data...
preparser Loading commit data...
promises-aplus Loading commit data...
simdjs Loading commit data...
test262 Loading commit data...
unittests Loading commit data...
webkit Loading commit data...
BUILD.gn Loading commit data...
bot_default.gyp Loading commit data...
bot_default.isolate Loading commit data...
default.gyp Loading commit data...
default.isolate Loading commit data...
optimize_for_size.gyp Loading commit data...
optimize_for_size.isolate Loading commit data...
perf.gyp Loading commit data...
perf.isolate Loading commit data...