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  • Bill Wendling's avatar
    Second attempt: · 084669a1
    Bill Wendling authored
    Massive check in. This changes the "-fast" flag to "-O#" in llc. If you want to
    use the old behavior, the flag is -O0. This change allows for finer-grained
    control over which optimizations are run at different -O levels.
    
    Most of this work was pretty mechanical. The majority of the fixes came from
    verifying that a "fast" variable wasn't used anymore. The JIT still uses a
    "Fast" flag. I'll change the JIT with a follow-up patch.
    
    llvm-svn: 70343
    084669a1
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