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authorbors <bors@rust-lang.org>2025-03-11 12:05:16 +0000
committerbors <bors@rust-lang.org>2025-03-11 12:05:16 +0000
commitebf0cf75d368c035f4c7e7246d203bd469ee4a51 (patch)
tree1c26d90ad88273c67bd0f169b122ebd9a4b88e84 /compiler/rustc_builtin_macros/src
parent705421b52239d7393b4738764b192179d5c139c2 (diff)
parentcee311454427bf5049f5493bb7c7d74df2abb369 (diff)
downloadrust-ebf0cf75d368c035f4c7e7246d203bd469ee4a51.tar.gz
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Auto merge of #137586 - nnethercote:SetImpliedBits, r=bjorn3
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`
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