Skip to content
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

InstCombine Len([_; N]) => const N in MIR #46264

Merged
merged 1 commit into from
Nov 26, 2017

Conversation

scottmcm
Copy link
Member

A small opportunity I noticed in passing.

Not super exciting on its own, but opens the door for a const propagation pass that could completely remove const bounds checks from arrays at MIR time, for example.

@rust-highfive
Copy link
Collaborator

r? @nikomatsakis

(rust_highfive has picked a reviewer for you, use r? to override)

@arielb1
Copy link
Contributor

arielb1 commented Nov 25, 2017

@bors r+ rollup

@bors
Copy link
Contributor

bors commented Nov 25, 2017

📌 Commit 62391c8 has been approved by arielb1

@kennytm kennytm added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Nov 25, 2017
kennytm added a commit to kennytm/rust that referenced this pull request Nov 25, 2017
InstCombine Len([_; N]) => const N in MIR

A small opportunity I noticed in passing.

Not super exciting on its own, but opens the door for a const propagation pass that could completely remove const bounds checks from arrays at MIR time, for example.
kennytm added a commit to kennytm/rust that referenced this pull request Nov 26, 2017
InstCombine Len([_; N]) => const N in MIR

A small opportunity I noticed in passing.

Not super exciting on its own, but opens the door for a const propagation pass that could completely remove const bounds checks from arrays at MIR time, for example.
bors added a commit that referenced this pull request Nov 26, 2017
Rollup of 7 pull requests

- Successful merges: #46201, #46224, #46234, #46252, #46259, #46264, #46269
- Failed merges:
@bors bors merged commit 62391c8 into rust-lang:master Nov 26, 2017
@scottmcm scottmcm deleted the mir-array-len branch November 27, 2017 00:43
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion.
Projects
None yet
Development

Successfully merging this pull request may close these issues.

6 participants