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Move is_min_const_fn query to librustc_mir. #67781

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merged 2 commits into from
Jan 8, 2020

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cjgillot
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@cjgillot cjgillot commented Jan 1, 2020

The only two uses of the associated methods are in librustc_mir and
librustdoc. Please tell me if there is a better choice.

cc #65031

Comment on lines 10 to 22
pub trait TyCtxtConstExt {
/// Whether the `def_id` counts as const fn in your current crate, considering all active
/// feature gates
pub fn is_const_fn(self, def_id: DefId) -> bool {
fn is_const_fn(self, def_id: DefId) -> bool;

/// Whether the `def_id` is an unstable const fn and what feature gate is necessary to enable it
fn is_unstable_const_fn(self, def_id: DefId) -> Option<Symbol>;

/// Returns `true` if this function must conform to `min_const_fn`
fn is_min_const_fn(self, def_id: DefId) -> bool;
}

impl<'tcx> TyCtxtConstExt for TyCtxt<'tcx> {
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I think these can just be free functions.

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Yea that seems better than an extension trait.

@Dylan-DPC-zz Dylan-DPC-zz added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Jan 2, 2020
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bors commented Jan 6, 2020

☔ The latest upstream changes (presumably #67886) made this pull request unmergeable. Please resolve the merge conflicts.

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Zoxc commented Jan 7, 2020

r? @oli-obk

@rust-highfive rust-highfive assigned oli-obk and unassigned eddyb Jan 7, 2020
@@ -1,16 +1,28 @@
use crate::hir;
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Please move this file to src/librustc_mir/const_eval/fn_queries.rs and reexport the functions in the const_eval module

The only two uses of the associated methods are in librustc_mir and
librustdoc. Please tell me if there is a better choice.
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cjgillot commented Jan 8, 2020

Rebased with review comments.

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oli-obk commented Jan 8, 2020

@bors r+ rollup

Thanks!

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bors commented Jan 8, 2020

📌 Commit c1c09be has been approved by oli-obk

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jan 8, 2020
JohnTitor added a commit to JohnTitor/rust that referenced this pull request Jan 8, 2020
Move `is_min_const_fn` query to librustc_mir.

The only two uses of the associated methods are in `librustc_mir` and
`librustdoc`. Please tell me if there is a better choice.

cc rust-lang#65031
bors added a commit that referenced this pull request Jan 8, 2020
Rollup of 10 pull requests

Successful merges:

 - #67774 (Try statx for all linux-gnu target.)
 - #67781 (Move `is_min_const_fn` query to librustc_mir.)
 - #67798 (Remove wrong advice about spin locks from `spin_loop_hint` docs)
 - #67849 (Add a check for swapped words when we can't find an identifier)
 - #67875 (Distinguish between private items and hidden items in rustdoc)
 - #67887 (`Option::{expect,unwrap}` and `Result::{expect, expect_err, unwrap, unwrap_err}` have `#[track_caller]`)
 - #67955 (rustdoc: Remove more `#[doc(cfg(..))]` duplicates)
 - #67977 (Updates for VxWorks)
 - #67985 (Remove insignificant notes from CStr documentation)
 - #68003 (ci: fix wrong shared.sh import for publish_toolstate)

Failed merges:

 - #67820 (Parse the syntax described in RFC 2632)
 - #67979 (Move `intravisit` => `rustc_hir` + misc cleanup)

r? @ghost
bors added a commit that referenced this pull request Jan 8, 2020
Rollup of 10 pull requests

Successful merges:

 - #67774 (Try statx for all linux-gnu target.)
 - #67781 (Move `is_min_const_fn` query to librustc_mir.)
 - #67798 (Remove wrong advice about spin locks from `spin_loop_hint` docs)
 - #67849 (Add a check for swapped words when we can't find an identifier)
 - #67875 (Distinguish between private items and hidden items in rustdoc)
 - #67887 (`Option::{expect,unwrap}` and `Result::{expect, expect_err, unwrap, unwrap_err}` have `#[track_caller]`)
 - #67955 (rustdoc: Remove more `#[doc(cfg(..))]` duplicates)
 - #67977 (Updates for VxWorks)
 - #67985 (Remove insignificant notes from CStr documentation)
 - #68003 (ci: fix wrong shared.sh import for publish_toolstate)

Failed merges:

 - #67820 (Parse the syntax described in RFC 2632)
 - #67979 (Move `intravisit` => `rustc_hir` + misc cleanup)

r? @ghost
@bors bors merged commit c1c09be into rust-lang:master Jan 8, 2020
JohnTitor added a commit to JohnTitor/rust-clippy that referenced this pull request Jan 9, 2020
bors added a commit to rust-lang/rust-clippy that referenced this pull request Jan 9, 2020
@cjgillot cjgillot deleted the passes-const branch January 9, 2020 07:18
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7 participants