Hi Phil,
Try this:
( scratchpad ) USE: optimizer.debugger
( scratchpad ) [ [ drop ] each ] f optimized-quot.
[
dup length swap 0 -rot \ G:1872514 [
pick pick < [
swap
>r 2dup
>r
>r drop drop r>
r>
r>
swap
>r
>r 1+ r>
r>
G:1872514
] [ 3drop ] if
] call
]
Note that stack shuffles are coalesced at a later stage of the compile
process, after IR optimization.
Slava
Phil Dawes wrote:
> Hi Slava, Hi Factor List,
>
> I was wondering, what do you use for prettyprinting/visualising IR graphs?
> I'd like to write some tight loop code in factor rather than C, and want
> to get better view of how factor is compiling the code.
>
> I've found that in addition to using tools.disassembler after the code
> is compiled, I can take the code through the various stages thus:
>
> USING: compiler optimizer generator ;
>
> 1) Getting basic dataflow
>
> \ myword word-dataflow pprint
>
> 2) Getting optimized dataflow
>
> \ myword word-dataflow optimize pprint
>
> 3) Getting machine code:
>
> \ myword word-dataflow optimize H{ } clone
> [ compiled set \ myword dup generate ] keep pprint
>
> However I currently lack a way of visualising the IR dataflow to easily
> see what's going on. I could hack something up, but was wondering if
> there was already something I could use?
>
> Actually a more general question: are there any other tips and tricks
> that might help make the compilation process more transparent?
>
> Many thanks,
>
> Phil
>
>
>
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