432e145bd5
Improve opaque pointers support Opaque pointers are coming, and rustc is not ready. This adds partial support by passing an explicit load type to LLVM. Two issues I've encountered: * The necessary type was not available at the point where non-temporal copies were generated. I've pushed the code for that upwards out of the memcpy implementation and moved the position of a cast to make do with the types we have available. (I'm not sure that cast is needed at all, but have retained it in the interest of conservativeness.) * The `PlaceRef::project_deref()` function used during debuginfo generation seems to be buggy in some way -- though I haven't figured out specifically what it does wrong. Replacing it with `load_operand().deref()` did the trick, but I don't really know what I'm doing here. |
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| README.md | ||
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.