-
Notifications
You must be signed in to change notification settings - Fork 10.8k
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
[CodeGen] Tail Duplication: Remove irrelevant phi node workaround #86981
base: main
Are you sure you want to change the base?
Conversation
09dfd61
to
3a17954
Compare
The comment is quite old, and removing it and then running the old test, it passed without asserting.
; CHECK-LABEL: foo: | ||
; CHECK: // %bb.0: // %entry | ||
; CHECK-NEXT: { | ||
; CHECK-NEXT: r1:0 = combine(r3,r2) |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
This looks like too much was optimized out, that I doubt whatever MIR pattern was here didn't survive late enough
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Alright, so is there a way to see all the optimizations done
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
-print-changed/-print-after-all?
The comment is quite old, and removing it and then running the old test, it passed without asserting.