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    • Jeff Cohen's avatar
      ddc8b78c
    • Nate Begeman's avatar
      Implement Subtarget support · f26625e1
      Nate Begeman authored
      Implement the X86 Subtarget.
      
      This consolidates the checks for target triple, and setting options based
      on target triple into one place.  This allows us to convert the asm printer
      and isel over from being littered with "forDarwin", "forCygwin", etc. into
      just having the appropriate flags for each subtarget feature controlling
      the code for that feature.
      
      This patch also implements indirect external and weak references in the
      X86 pattern isel, for darwin.  Next up is to convert over the asm printers
      to use this new interface.
      
      llvm-svn: 22389
      f26625e1
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