David Green 86bfeb906e Revert "Inlining: Run the legacy AlwaysInliner before the regular inliner." ...

This seems to cause large regressions in existing code, as much as 75% slower
(4x the time taken). Small always inline functions seem to be used a lot in the
cmsis-dsp library.

I would add a phase ordering test to show the problems, but one already exists!
The llvm/test/Transforms/PhaseOrdering/ARM/arm_mult_q15.ll was just changed by
removing alwaysinline to hide the problems that existed.

This reverts commit cae033dcf2.
This reverts commit 8e33c41e72.

2023-02-10 15:01:49 +00:00

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