mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-27 19:16:36 +00:00
Speed up target feature computation The LLVM backend calls `LLVMRustHasFeature` twice for every feature. In short-running rustc invocations, this accounts for a surprising amount of work. r? `@bjorn3`
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.