[llvm-commits] [llvm] r53246 - in /llvm/trunk/lib/CodeGen/SelectionDAG: LegalizeDAG.cpp SelectionDAG.cpp

[Evan Cheng]

On Jul 9, 2008, at 12:31 AM, Duncan Sands wrote:

> Hi Evan,
>
>> Do not CSE DEBUG_LOC, DBG_LABEL, DBG_STOPPOINT, DECLARE, and  
>> EH_LABEL SDNode's. This improves compile time slightly at -O0 -g.
>
> isn't this going to produce fatter debug info?

Only if sdisel produce multiple nodes of same opcode and same operands  
during llvm ir to sdnodes translation phase. That would mean the  
frontend is broken.

Evan

>
>
> Ciao,
>
> Duncan.