[LLVMdev] opt -globaldce -deadargelim yields different result then when run separately

Chris Lattner sabre at nondot.org
Sun Nov 11 09:38:49 PST 2007

This is probably a bug, please file an example in bugzilla, thanks!



On Nov 11, 2007, at 7:55 AM, Torvald Riegel <torvald at se.inf.tu-dresden.de 
 > wrote:

> Hi,
> when I run opt -globaldce -deadargelim on a module, deadargelim  
> removes less
> arguments than when I run opt separately for the two passes. The  
> module has
> dead functions that hold references to other functions, which makes  
> the
> latter intrinsically live for deadargelim. -debug-pass=Executions  
> shows no
> other passes being run before deadargelim.
> Why is that so?
> Thanks,
> Torvald
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