[LLVMdev] Possible bug in LLC at -O1

Chris Lattner clattner at apple.com
Thu Nov 22 08:16:59 PST 2012


On Nov 21, 2012, at 10:53 PM, Anitha B Gollamudi <anitha.boyapati at gmail.com> wrote:
>> 
>> 1. For some reason, I am not able to use -regalloc=fast at -O1. Gives
>> the following error:
>> 
>>   $ llc  -regalloc=fast -O1 -mcpu=bdver2 test.ll
>>    LLVM ERROR: regalloc=... not currently supported with -O0
>> 
>>  How do I switch to "fast" allocator at -O1?
>> 
> 
> <ping>
> 
> Not much help on register allocator issue either?

For what its worth, many people in the US are out on vacation this week.

-Chris



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