• Sigurd Schneider's avatar
    [turbofan] Add inlining for RegExp#test · 394d53d1
    Sigurd Schneider authored
    This CL adds a TFS stub for RegExp#test and moves several checks to
    the JSCallReducer. In particular, the JSCallReducer checks that
     - property {exec} on the regexp is still the original exec
     - property {lastIndex} on the regexp is a non-negative smi
    The stub does not repeat these checks in release mode.
    
    This effectively means that if the regexp is known, we can perform these
    checks at compile time, and get away with a map dependency.
    
    Bug: v8:7779, v8:7200
    
    Change-Id: I0c6d711d4f1d2f6f325a1c02855b0e1b62e014c8
    Reviewed-on: https://chromium-review.googlesource.com/1074654
    Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
    Reviewed-by: 's avatarJakob Gruber <jgruber@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#53630}
    394d53d1
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