stage2 LLVM debug info #11085
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stage2 LLVM debug info #11085
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This commit also adds a bunch of bindings for debug info.
also fix issue with memoization and recursiveness.
Also make `namespaceToDebugScope` behave correctly for file-level structs. Instead of being inside their own scope, they use the file scope.
Previously, we did this so that we could insert a debug variable declaration intrinsic on the alloca. But there is a dbg.value intrinsic for declaring variables that are values.
Also fix UAF of Type memory in the di_type_map.
This required adjusting `Type.nameAlloc` to be used with a general-purpose allocator and added `Type.nameAllocArena` for the arena use case (avoids allocation sometimes).
andrewrk
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This was referenced Mar 8, 2022
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Additional tests performed locally: I ran the behavior tests natively (x86_64-linux) with a debug build of LLVM and it did not trip any assertions. |
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Merge Checklist:
implement structsimplement debug info for structs in the llvm backend #11095implement unionsimplement debug info for unions in the llvm backend #11096implement local variablesemit DWARF .debug_info for local variables #6014implement global variablesimplement debug info for global variables in the llvm backend #11097Type.nameAlloc)