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authorbors <bors@rust-lang.org>2023-03-05 05:15:50 +0000
committerbors <bors@rust-lang.org>2023-03-05 05:15:50 +0000
commit35636f9459720513ca4ed19373a4a7c9e0ea3c46 (patch)
treef134f3d534e5f7faaa3bef1afde578c04bed3884 /compiler/rustc_mir_transform/src/coverage/tests.rs
parenta512c6c77115169d706338dbc7abc53ce302f616 (diff)
parent9aad2ad3615468463cfa036801525bc2f7e3553a (diff)
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Auto merge of #107723 - Kobzol:bootstrap-bolt, r=Mark-Simulacrum
Apply BOLT optimizations without rebuilding LLVM

This PR adds an explicit BOLT bootstrap step which applies BOLT on the fly when LLVM artifacts are copied to a sysroot (it only does this once per bootstrap invocation, the result is cached).  This avoids one LLVM rebuild in the Linux CI dist build.

r? `@jyn514`
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