llvmcall: use opaque pointer

[inkydragon]

Close #106

• Make inttoptr, ptrtoint, bitcast ptr to ptr do nothing
  we may remove those later.
• Update other llvmcall
• doc: Update jldoctest
• Julia nightly CI should be able to pass.
• Add @static if to ensure compatibility with Julia versions 1.6 to 1.1
• Update CI
  • Update nightly CI
  • ci.Aqua: turn off piracy tests
  • ci: Split doctest and docbuild to doc.yml

[codecov]

Codecov Report

Attention: Patch coverage is 52.85714% with 33 lines in your changes missing coverage. Please review.

Project coverage is 48.92%. Comparing base (6f02941) to head (e90e946).
Report is 4 commits behind head on master.

Files with missing lines	Patch %	Lines
src/llvm_intrin/memory_addr.jl	51.47%	33 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #118      +/-   ##
==========================================
+ Coverage   47.63%   48.92%   +1.28%     
==========================================
  Files          35       35              
  Lines        5741     5930     +189     
==========================================
+ Hits         2735     2901     +166     
- Misses       3006     3029      +23     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[chriselrod]

If you're working on this, you should apply for https://sciml.ai/small_grants/#update_loopvectorization_to_support_changes_in_julia_v112_200 if you haven't already.

[DilumAluthge]

@inkydragon Any idea why CI is still failing?