[PATCH][DAG] Fix non-deterministic code generation

[Hal Finkel]

Juergen,

Do you happen to know what in CodeGen is sensitive to the absolute value of the node order?

 -Hal

----- Original Message -----
> From: "Juergen Ributzka" <juergen at apple.com>
> To: "LLVM Commits" <llvm-commits at cs.uiuc.edu>
> Sent: Saturday, November 16, 2013 11:04:29 PM
> Subject: [PATCH][DAG] Fix non-deterministic code generation
> 
> 
> 
> Hi @ll,
> 
> this patch resets SDNodeOrder in the SelectionDAGBuilder before
> processing the IR of a new function. This is required to obtain
> deterministic code generation for a function regardless of its
> location in the source file.
> 
> Cheers,
> Juergen
> 
> 
> 
> 
> 
> 
> 
> 
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-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory