debug info fixes/refactor

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This fixes (on my end) #3340, #3117, #2945, #2922, and #2762

A general refactor of debug info generation in order to fix issues and
increase stability.

What I believe is the root cause of a bunch of issues is that we use the
temporary metadata/forward declarations too much (/ hold onto them for
too long). It seems to cause problems with the reference counting inside
LLVM.

This PR reduces the use of these forward declarations to a minimum, it
creates it, fills in the fields, and resolves it, instead of waiting
until the end of generating code.

Some smaller issues I came across have also been solved.

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This commit is contained in:

Laytan Laats

2024-04-01 00:29:57 +02:00

parent 0d8dadb084

commit 9647cb74ad

4 changed files with 495 additions and 489 deletions

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src/llvm_backend_debug.cpp

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