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    [turbofan]: Better source position information · 21dfcf5d
    danno authored
    * Ensure that a source position is already specified in generated code before
      prologue is assembled.
    * Ensure source position is set for instructions before their gaps are assembled
      (this fixes missing source position information at the beginning of deferred
      code).
    * Don't output source position information for gap moves that are
      redundant. This led to extraneous, confusing source positions for constants
      that did not end up producing any code.
    * Output source position information that is usable in turbolizer when --trace-turbo
      is specified.
    
    LOG=N
    
    Review-Url: https://codereview.chromium.org/2599433002
    Cr-Commit-Position: refs/heads/master@{#41914}
    21dfcf5d
code-generator.h 11.8 KB