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add cast kind of from_exposed_addr (int-to-ptr casts) #97653

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merged 2 commits into from
Jun 3, 2022

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@RalfJung RalfJung commented Jun 2, 2022

This is basically the dual to #97582, for int2ptr casts.

Cc @tmiasko #97649

@rustbot rustbot added the T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. label Jun 2, 2022
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Some changes occured to rustc_codegen_cranelift

cc @bjorn3

Some changes occurred in src/tools/clippy.

cc @rust-lang/clippy

Some changes occured to the CTFE / Miri engine

cc @rust-lang/miri

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r? @wesleywiser

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Jun 2, 2022
let ty_from = op.ty(body, tcx);
let cast_ty_from = CastTy::from_ty(ty_from);
let cast_ty_to = CastTy::from_ty(*ty);
// Misc casts are either between floats and ints, or one ptr type to another.
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@oli-obk this looks like logic that would also be nice to have in MIR validation, but without duplicating everything...

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yea, I was actually wondering whether we shouldn't move (large) parts of mir typeck to mir validation

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basically anything that doesn't produce obligations I guess

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Co-authored-by: Oli Scherer <github35764891676564198441@oli-obk.de>
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oli-obk commented Jun 2, 2022

r? @oli-obk
@bors r+

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bors commented Jun 2, 2022

📌 Commit d5a590f has been approved by oli-obk

@rust-highfive rust-highfive assigned oli-obk and unassigned wesleywiser Jun 2, 2022
@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 Jun 2, 2022
@oli-obk oli-obk added the A-mir-opt Area: MIR optimizations label Jun 2, 2022
bors added a commit to rust-lang-ci/rust that referenced this pull request Jun 3, 2022
Rollup of 5 pull requests

Successful merges:

 - rust-lang#97366 (Stabilize `{slice,array}::from_ref`)
 - rust-lang#97653 (add cast kind of from_exposed_addr (int-to-ptr casts))
 - rust-lang#97663 (take back half-baked noaliasing check in Assignment)
 - rust-lang#97664 (On E0204 suggest missing type param bounds)
 - rust-lang#97668 (rustdoc: clean up primitive.slice.html links)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit f116dd7 into rust-lang:master Jun 3, 2022
@rustbot rustbot added this to the 1.63.0 milestone Jun 3, 2022
flip1995 pushed a commit to flip1995/rust that referenced this pull request Jun 4, 2022
add cast kind of from_exposed_addr (int-to-ptr casts)

This is basically the dual to rust-lang#97582, for int2ptr casts.

Cc `@tmiasko` rust-lang#97649
@RalfJung RalfJung deleted the int-to-ptr branch June 5, 2022 15:08
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7 participants