Andrew Ng dbdbf1e63d [LLD][ELF] Fix performance regression when using linker scripts (#194668) ...

The addition of the support for `--enable-non-contiguous-regions` from
PR #90007 moved an "early out" condition in
`LinkerScript::computeInputSections()`. This could result in other
relatively expensive checks, i.e. `pat.sectionPat.match`,
`cmd->matchesFile`, `pat.excludesFile` and `flagsMatch`, to be performed
unnecessarily in the default situation where
`--enable-non-contiguous-regions` is disabled.

This fix restores the "early out" condition and shows an ~14%
improvement for the Linux kernel benchmark link and has been seen to
improve performance by up to ~30% for a large UE5 link.

2026-04-29 11:29:43 +01:00

71 KiB

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