Copying Aldy for the jump threading expertise.
This change can cause improvements much earlier in the optimization
pipeline, especially when it comes to PHI nodes. Many of those threading
tests are finicky about the IL coming in. If we do a better job
optimizing earlier, an opportunity that us
Hi Andrew,
Your patch caused a regression [1] on aarch64-linux-gnu. Would you
please investigate? I did a quick analysis and it seems that the
expected 18 for aarch64 is now 17:
$ grep "Jumps threaded" a-ssa-dom-thread-7.c.197t.thread2
Jumps threaded: 17
Let me know if you need any assistance i
