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192 Commits

Author SHA1 Message Date
Matthias Krüger
31d7e514ab Rollup merge of #108047 - oli-obk:machine->🞋, r=RalfJung 
Use `target` instead of `machine` for mir interpreter integer handling.

The naming of `machine` only makes sense from a mir interpreter internals perspective, but outside users talk about the `target` platform. As per https://github.com/rust-lang/rust/pull/108029#issuecomment-1429791015

r? `@RalfJung`
 2023-02-15 21:30:57 +01:00
bors
2d14db321b Auto merge of #108006 - cjgillot:def-impl, r=oli-obk 
Avoid accessing HIR when it can be avoided

Experiment to see if it helps some incremental cases.

Will be rebased once https://github.com/rust-lang/rust/pull/107942 gets merged.

r? `@ghost`
 2023-02-15 16:14:10 +00:00
Oli Scherer
38b7cdf393 Use target instead of machine for mir interpreter integer handling. 
The naming of `machine` only makes sense from a mir interpreter internals perspective, but outside users talk about the `target` platform
 2023-02-15 08:56:18 +00:00
Camille GILLOT
03dff82d59 Add of_trait to DefKind::Impl. 2023-02-14 19:55:44 +00:00
Oli Scherer
936bf29d4c s/eval_usize/eval_target_usize/ for clarity 2023-02-14 08:51:19 +00:00
Nicholas Nethercote
7a72560154 Reduce direct mk_ty usage. 
We use more specific `mk_*` functions in most places, might as well use
them as much as possible.
 2023-02-13 09:32:48 +11:00
Nicholas Nethercote
afbe167fbb Avoid some tls::with calls. 
These are in places where a `tcx` is easily obtained.
 2023-02-09 15:28:04 +11:00
Maybe Waffle
fd649a3cc5 Replace enum ==s with matches where it makes sense 2023-01-30 12:26:26 +00:00
bors
3cdd0197e7 Auto merge of #106227 - bryangarza:ctfe-limit, r=oli-obk 
Use stable metric for const eval limit instead of current terminator-based logic

This patch adds a `MirPass` that inserts a new MIR instruction `ConstEvalCounter` to any loops and function calls in the CFG. This instruction is used during Const Eval to count against the `const_eval_limit`, and emit the `StepLimitReached` error, replacing the current logic which uses Terminators only.

The new method of counting loops and function calls should be more stable across compiler versions (i.e., not cause crates that compiled successfully before, to no longer compile when changes to the MIR generation/optimization are made).

Also see: #103877
 2023-01-29 04:11:27 +00:00
Camille GILLOT
1974b6b68d Introduce GeneratorWitnessMIR. 2023-01-27 18:58:44 +00:00
Kyle Matsuda
c2414dfaa4 change fn_sig query to use EarlyBinder; remove bound_fn_sig query; add EarlyBinder to fn_sig in metadata 2023-01-26 20:28:25 -07:00
Kyle Matsuda
e982971ff2 replace usages of fn_sig query with bound_fn_sig 2023-01-26 20:15:36 -07:00
Bryan Garza
7618163a1c Add comments and remove unnecessary code 2023-01-23 23:56:22 +00:00
Bryan Garza
172662dede Add back Machine::before_terminator(...) method 
Added it back because it's used by Miri, but in the compiler itself, it
will not do anything (just return `Ok(())`.
 2023-01-23 23:56:22 +00:00
Bryan Garza
eea42733ac Replace terminator-based const eval limit 
- Remove logic that limits const eval based on terminators, and use the
  stable metric instead (back edges + fn calls)
- Add unstable flag `tiny-const-eval-limit` to add UI tests that do not
  have to go up to the regular 2M step limit
 2023-01-23 23:56:22 +00:00
Bryan Garza
b763f9094f Remove debugging-related code 2023-01-23 23:56:22 +00:00
Bryan Garza
360db516cc Create stable metric to measure long computation in Const Eval 
This patch adds a `MirPass` that tracks the number of back-edges and
function calls in the CFG, adds a new MIR instruction to increment a
counter every time they are encountered during Const Eval, and emit a
warning if a configured limit is breached.
 2023-01-23 23:56:22 +00:00
bors
56ee85274e Auto merge of #106090 - WaffleLapkin:dereffffffffff, r=Nilstrieb 
Remove some `ref` patterns from the compiler

Previous PR: https://github.com/rust-lang/rust/pull/105368

r? `@Nilstrieb`
 2023-01-20 04:52:28 +00:00
Scott McMurray
925dc37313 Stop using BREAK & CONTINUE in compiler 
Switching them to `Break(())` and `Continue(())` instead.

libs-api would like to remove these constants, so stop using them in compiler to make the removal PR later smaller.
 2023-01-17 23:17:51 -08:00
Maybe Waffle
6a28fb42a8 Remove double spaces after dots in comments 2023-01-17 08:09:33 +00:00
Maybe Waffle
98f30e833a Undo questionable changes 2023-01-17 07:48:19 +00:00
Maybe Waffle
3dca58e249 rustc_const_eval: remove ref patterns (+some pattern matching imps) 2023-01-17 07:48:19 +00:00
Deadbeef
6e63f7be54 attempt to make a minimal example work 2023-01-12 02:28:37 +00:00
Ralf Jung
5a06b1e67c simplify alignment_check_failed a bit 2022-12-15 16:48:30 +00:00
Oli Scherer
b05c790fd6 Reuse the ctfe error emitting logic for the future incompat lint 2022-12-15 16:48:24 +00:00
Oli Scherer
dec05e9c73 Factor decorate closure out into a method 2022-12-15 16:25:50 +00:00
Oli Scherer
d9d92ed7da Move alignment failure error reporting to machine 2022-12-15 16:07:35 +00:00
Oli Scherer
d66824dbc4 Make alignment checks a future incompat lint 2022-12-15 16:07:28 +00:00
Ralf Jung
fa83763491 always check alignment during CTFE 2022-12-15 15:36:11 +00:00
Michael Goulet
96cb18e864 Combine identical alias arms 2022-12-13 17:48:55 +00:00
Michael Goulet
61adaf8187 Combine projection and opaque into alias 2022-12-13 17:48:55 +00:00
KaDiWa
9bc69925cb compiler: remove unnecessary imports and qualified paths 2022-12-10 18:45:34 +01:00
Oli Scherer
99348a5330 Change CTFE backtraces to use note instead of label to preserve their order 
labels are reordered within the file in which they are reported, which can mess up the stack trace
 2022-12-06 18:59:46 +00:00
Rageking8
58110572fb fix dupe word typos 2022-12-05 16:42:36 +08:00
Ralf Jung
60d5d65a4d interpret: get rid of run() function 2022-11-27 15:20:26 +01:00
Matthias Krüger
820a41580e Rollup merge of #104564 - RalfJung:either, r=oli-obk 
interpret: use Either over Result when it is not representing an error condition

r? `@oli-obk`
 2022-11-20 18:21:48 +01:00
Lukas Markeffsky
3d7e9c4b7f Revert "don't call align_offset during const eval, ever" 
This reverts commit f3a577bfae376c0222e934911865ed14cddd1539.
 2022-11-19 16:58:02 +01:00
Lukas Markeffsky
9e5d497b67 fix const align_offset implementation 2022-11-19 16:57:58 +01:00
Lukas Markeffsky
60f352fd7d replace potential ICE with graceful error (no_core only) 2022-11-19 16:47:42 +01:00
Lukas Markeffsky
a906f6cb69 don't call align_offset during const eval, ever 2022-11-19 16:47:42 +01:00
Lukas Markeffsky
211743b2c8 make const align_offset useful 2022-11-19 16:36:08 +01:00
Lukas Markeffsky
f770fecfe1 unify inherent impls of CompileTimeEvalContext 2022-11-19 16:36:08 +01:00
Ralf Jung
4101889786 interpret: use Either over Result when it is not representing an error condition 2022-11-18 10:18:32 +01:00
Ralf Jung
1115ec601a cleanup and dedupe CTFE and Miri error reporting 2022-11-16 10:13:29 +01:00
Ralf Jung
c78021709a add is_sized method on Abi and Layout, and use it 2022-11-13 12:23:53 +01:00
Guillaume Gomez
2414a4c31a Rollup merge of #103625 - WaffleLapkin:no_tyctxt_dogs_allowed, r=compiler-errors 
Accept `TyCtxt` instead of `TyCtxtAt` in `Ty::is_*` functions

Functions in answer:

- `Ty::is_freeze`
- `Ty::is_sized`
- `Ty::is_unpin`
- `Ty::is_copy_modulo_regions`

This allows to remove a lot of useless `.at(DUMMY_SP)`, making the code a bit nicer :3

r? `@compiler-errors`
 2022-10-29 14:18:03 +02:00
bors
5237c4d83d Auto merge of #102674 - CastilloDel:master, r=oli-obk 
Remove allow(rustc::potential_query_instability) in rustc_const_eval

The use of FxHashMap has been replaced with FxIndexMap.

Related to #84447
 2022-10-28 12:52:17 +00:00
Maybe Waffle
a17ccfa621 Accept TyCtxt instead of TyCtxtAt in Ty::is_* functions 
Functions in answer:

- `Ty::is_freeze`
- `Ty::is_sized`
- `Ty::is_unpin`
- `Ty::is_copy_modulo_regions`
 2022-10-27 15:06:08 +04:00
Michael Goulet
ab36a2fe16 Revert "Unify tcx.constness and param env constness checks" 
This reverts commit bef8681a18.
This reverts commit c646c4d403.
 2022-10-20 03:44:12 +00:00
CastilloDel
c3a1ca6be7 Remove allow(rustc::potential_query_instability) in rustc_const_eval 
The use of FxHashMap has been replaced with FxIndexMap. For
more information see https://github.com/rust-lang/rust/issues/84447
 2022-10-18 17:44:01 +02:00