svn commit: r255804 - in head/contrib/llvm/lib: CodeGen/SelectionDAG Target/AArch64 Target/ARM Target/Hexagon Target/MSP430 Target/Mips Target/NVPTX Target/PowerPC Target/R600 Target/Sparc Target/S...

[Bryan Drewery]

On 9/22/2013 5:03 PM, Dimitry Andric wrote:
> Author: dim
> Date: Sun Sep 22 22:03:30 2013
> New Revision: 255804
> URL: http://svnweb.freebsd.org/changeset/base/255804
> 
> Log:
>   Pull in r191165 from upstream llvm trunk:
>   
>     ISelDAG: spot chain cycles involving MachineNodes
>   
>     Previously, the DAGISel function WalkChainUsers was spotting that it
>     had entered already-selected territory by whether a node was a
>     MachineNode (amongst other things). Since it's fairly common practice
>     to insert MachineNodes during ISelLowering, this was not the correct
>     check.
>   
>     Looking around, it seems that other nodes get their NodeId set to -1
>     upon selection, so this makes sure the same thing happens to all
>     MachineNodes and uses that characteristic to determine whether we
>     should stop looking for a loop during selection.
>   
>     This should fix PR15840.

15840 is for x11-fonts/ucs-fixed. Did you put the wrong one?

>   
>   Specifically, this fixes the long-standing assertion failure when
>   compiling the multimedia/gstreamer port on i386.  Thanks to Tijl

I will update the package builder with this. Thanks!

>   Coosemans for his help in getting upstream to fix it.
>   
>   Approved by:	re (marius)


-- 
Regards,
Bryan Drewery

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