• adamk's avatar
    Optimize add/set/delete operations for string keys in Maps and Sets · 243764b0
    adamk authored
    This was previously landed in commit 8599f5f0, but failed the
    collections mjsunit test on ia32 with --deopt-every-n=1. The fixed
    patch adds a ClearFlag(HValue::kCanOverflow) call after every
    arithmetic operation, which should remove all the deopt points in these
    intrinsics.
    
    Ideally, it seems like there should be a way to verify that there are
    no deopt points for these inline optimized functions, since there's
    nothing to deopt to. But I don't currently know of such a thing.
    
    Review URL: https://codereview.chromium.org/782073002
    
    Cr-Commit-Position: refs/heads/master@{#25715}
    243764b0
hydrogen-instructions.h 251 KB