[NewPM] Add missing LTO ArgPromotion pass #115
Merged
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This is a followup to D96780 to add one more pass missing from the
NewPM LTO pipeline. The missing ArgPromotion run is inserted at
the same position as in the LegacyPM, resolving the already
present FIXME:
https://github.com/llvm/llvm-project/blob/16086d47c0d0cd08ffae8e69a69c88653e654d01/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp#L1096-L1098
The compile-time impact is minimal with ~0.1% geomean regression
on CTMark.
Differential Revision: https://reviews.llvm.org/D108866
(cherry picked from commit b28c3b9)
Upstream backport requested in https://bugs.llvm.org/show_bug.cgi?id=51664. This is intended to unblock rust-lang/rust#88243.