[llvm-commits] Patch for review: Speeding up ScheduleDAG computations

Evan Cheng evan.cheng at apple.com
Mon Mar 10 23:58:12 PDT 2008

On Mar 10, 2008, at 1:55 PM, Dan Gohman wrote:

> On Mar 7, 2008, at 4:49 PM, Chris Lattner wrote:
>> On Mar 7, 2008, at 4:42 PM, Evan Cheng wrote:
>>> Did you use make Output/176.gcc.diff-llc? I think the makefile rule
>>> uses -output.
>> More specifically:
>>  make bugpoint-llc
>> Should work.  When it gets confused, use "cd Output/bugpoint-llc;
>> bugpoint <copied options>" where the options copied come from  
>> whatever
>> 'make bugpoint-llc' does, but without -output.
> That's cool. Unfortunately neither "make bugpoint-llc" nor copying its
> bugpoint command and removing -output produced a testcase that
> reproduces the problem :-/.

Yeah. Unfortunately the larger the test case, the more likely this  
happens. It is a big pain in the behind. Are you able to get somewhere  
by trimming down the test or add printf's? I know that's back to the  
stone age, but when all else fails, that's what we are left with.


> Dan
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