[llvm-commits] [llvm] r102941 - /llvm/trunk/lib/Target/X86/X86TargetMachine.cpp
echristo at apple.com
Mon May 3 23:29:05 PDT 2010
On May 3, 2010, at 11:27 PM, Chris Lattner wrote:
> On May 3, 2010, at 11:14 PM, Eric Christopher wrote:
>>>> Ok, this seems more like something that should be a -mattr flag based on the CPU, not a random llc hook.
>>> I don't think it's meant to be a permanent option, right? Eric, are you just toggling it for try to track down a bug?
>> I was yes, but I figured being able to turn it off might be of use for others to track down bugs. Didn't think there was much overhead in adding a new option. I can take it out if it's a problem.
> If this optimization pass makes sense for some cpu's but not others, then a -mattr makes the most sense. Otherwise, I prefer to avoid random command line option hooks.
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