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In https://reviews.llvm.org/D114543 the uwtable attribute gained a flag so that we can ask for sync uwtables instead of async, as the former are much cheaper. The default is async, so that's what I've done here, but I left a TODO that we might be able to do better. While in here I went ahead and dropped support for removing uwtable attributes in rustc: we never did it, so I didn't write the extra C++ bridge code to make it work. Maybe I should have done the same thing with the `sync|async` parameter but we'll see. |
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| .editorconfig | ||
| ArchiveWrapper.cpp | ||
| CoverageMappingWrapper.cpp | ||
| Linker.cpp | ||
| LLVMWrapper.h | ||
| PassWrapper.cpp | ||
| README | ||
| RustWrapper.cpp | ||
This directory currently contains some LLVM support code. This will generally be sent upstream to LLVM in time; for now it lives here. NOTE: the LLVM C++ ABI is subject to between-version breakage and must *never* be exposed to Rust. To allow for easy auditing of that, all Rust-exposed types must be typedef-ed as "LLVMXyz", or "LLVMRustXyz" if they were defined here. Functions that return a failure status and leave the error in the LLVM last error should return an LLVMRustResult rather than an int or anything to avoid confusion. When translating enums, add a single `Other` variant as the first one to allow for new variants to be added. It should abort when used as an input. All other types must not be typedef-ed as such.