[llvm-dev] 404s within LLVM documentation

[Patrick Nappa via llvm-dev]

Hi all,

I'm currently in the process of updating the Kaleidoscope tutorials (first
and foremost, the ORC/BuildingAJIT ones), and I've noticed a fair few 404s
which are lingering within the current visible documentation. Some of these
don't seem to have linked to existing pages for a while.

I was wondering if there was a way to set up a check in the buildbot to
ensure that documentation doesn't break between builds? I'm happy to fix
the current dead links I've found (see below) but thought it might be wise
to set up a more automated approach in the future. Does anyone have any
tips on how I'd go about doing this/if this should be set up at all?

I ran a web crawler to find each of the dead links (this may not be
exhaustive), and they are as follows:
https://llvm.org/docs/TestSuiteMakefileGuide
https://llvm.org/docs/doxygen/structLICM.html
https://llvm.org/docs/tutorial/LangImpl5.html#for-loop-expression
https://llvm.org/docs/tutorial/LangImpl7.html#user-defined-local-variables
http://llvm.org/docs/lnt/modindex.html
https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/LangImpl6.html#user-defined-unary-operators
https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/LangImpl5.html#for-loop-expression
https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/LangImpl7.html#user-defined-local-variables
https://llvm.org/docs/tutorial/LangRef.html#instruction-reference
https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/LangImpl4.html#adding-a-jit-compiler
https://llvm.org/docs/tutorial/WritingAnLLVMPass.html
https://llvm.org/docs/tutorial/Passes.html
https://llvm.org/docs/tutorial/ProgrammersManual.html#viewing-graphs-while-debugging-code
https://llvm.org/docs/tutorial/SourceLevelDebugging.html
https://llvm.org/docs/tutorial/Frontend/PerformanceTips.html
https://llvm.org/docs/tutorial/GetElementPtr.html
https://llvm.org/docs/tutorial/GarbageCollection.html
https://llvm.org/docs/tutorial/ExceptionHandling.html
https://www.llvm.org/docs/doxygen/structLICM.html
http://llvm.org/docs/TestSuiteMakefileGuide
http://llvm.org/docs/doxygen/structLICM.html
https://www.llvm.org/docs/TestSuiteMakefileGuide
http://llvm.org/docs/tutorial/LangImpl5.html#for-loop-expression
http://llvm.org/docs/tutorial/LangImpl7.html#user-defined-local-variables

Some of these are trivial mistakes (i.e.
https://llvm.org/docs/tutorial/LangRef.html#instruction-reference ->
https://llvm.org/docs/LangRef.html#instruction-reference), and some require
a bit more inspection.

Regards,
Patrick
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