refactor: move SparseArrays into an extension

[avik-pal]

No description provided.

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diff --git a/src/analyses/activity.jl b/src/analyses/activity.jl
index fac4476..2200589 100644
--- a/src/analyses/activity.jl
+++ b/src/analyses/activity.jl
@@ -80,7 +80,7 @@ end
 @inline ptreltype(::Type{Complex{T}}) where {T} = T
 @inline ptreltype(::Type{Tuple{Vararg{T}}}) where {T} = T
 @inline ptreltype(::Type{IdDict{K,V}}) where {K,V} = V
-@inline ptreltype(::Type{IdDict{K,V} where K}) where {V} = V
+@inline ptreltype(::Type{IdDict{K, V} where {K}}) where {V} = V
 @static if VERSION < v"1.11-"
 else
 @inline ptreltype(::Type{Memory{T}}) where T = T
@@ -93,7 +93,7 @@ end
 @inline is_arrayorvararg_ty(::Type{Core.LLVMPtr{T,N} where N}) where {T} = true
 @inline is_arrayorvararg_ty(::Type{Base.RefValue{T}}) where {T} = true
 @inline is_arrayorvararg_ty(::Type{IdDict{K,V}}) where {K,V} = true
-@inline is_arrayorvararg_ty(::Type{IdDict{K,V} where K}) where {V} = true
+@inline is_arrayorvararg_ty(::Type{IdDict{K, V} where {K}}) where {V} = true
 @static if VERSION < v"1.11-"
 else
 @inline is_arrayorvararg_ty(::Type{Memory{T}}) where T = true

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Benchmark Results

	main	3d9ca6c...	main / 3d9ca6c...
basics/overhead	5.25 ± 0.92 ns	4.65 ± 0.01 ns	1.13 ± 0.2
time_to_load	1.28 ± 0.011 s	1.17 ± 0.0068 s	1.1 ± 0.011

Benchmark Plots

A plot of the benchmark results has been uploaded as an artifact at https://github.com/EnzymeAD/Enzyme.jl/actions/runs/17784875671/artifacts/4030272579.

[codecov]

Codecov Report

❌ Patch coverage is 2.50000% with 78 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.09%. Comparing base (345b215) to head (3d9ca6c).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
ext/EnzymeSparseArraysExt.jl	0.00%	78 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2585      +/-   ##
==========================================
- Coverage   75.10%   75.09%   -0.02%     
==========================================
  Files          56       57       +1     
  Lines       17724    17728       +4     
==========================================
+ Hits        13312    13313       +1     
- Misses       4412     4415       +3     

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[wsmoses]

unfortunately presently this cannot be moved into an extension (it will not get picked up from generated function shenanigans). the longer term soltn i need to figure out is how to handle this specific edge case of a ccall return, but I haven't gotten to so yet [and it only came up for sparsearrays]

[vchuravy]

You would need to perform an invoke in world (probably invole_in_world_total) with the world being the job.world