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Merge "Add option to emit ThinLTO indexes and imports for MLGO training" into main

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Yi Kong 2023-11-01 05:12:25 +00:00 committed by Gerrit Code Review
commit bc9d35168c
1 changed files with 6 additions and 0 deletions
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6
cc/lto.go
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@ -147,6 +147,12 @@ func (lto *lto) flags(ctx BaseModuleContext, flags Flags) Flags {
}
}
// For ML training
if ctx.Config().IsEnvTrue("THINLTO_EMIT_INDEXES_AND_IMPORTS") {
ltoLdFlags = append(ltoLdFlags, "-Wl,--save-temps=import")
ltoLdFlags = append(ltoLdFlags, "-Wl,--thinlto-emit-index-files")
}
flags.Local.CFlags = append(flags.Local.CFlags, ltoCFlags...)
flags.Local.AsFlags = append(flags.Local.AsFlags, ltoCFlags...)
flags.Local.LdFlags = append(flags.Local.LdFlags, ltoCFlags...)