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815 Commits

Author SHA1 Message Date
David Wood
fd0806618c
Constraints are now being categorized, sorted and the error labelled. Categorization needs a bit of work. 2018-07-01 15:33:05 +01:00
David Wood
56274be4b5
Added bfs for constraint paths from regions. 2018-07-01 15:30:43 +01:00
Niko Matsakis
9e2157fdca
don't consider assignments to temporaries "interesting" 2018-07-01 15:30:43 +01:00
Niko Matsakis
0b620186fd
propagate boring vs interesting causal info for constraints/tests 2018-07-01 15:30:42 +01:00
Niko Matsakis
609bb27514
categorize Locations as interesting or boring 2018-07-01 15:27:15 +01:00
Niko Matsakis
dbeda5ee29
remove the at_location from Locations 
We are not currently using it for anything; even polonius just uses
the `from_location`.
 2018-07-01 15:27:10 +01:00
Niko Matsakis
73f8333e78 update mir-opt tests 2018-07-01 10:13:05 -04:00
Niko Matsakis
865320f6a4 remove the ins set altogether 2018-07-01 10:13:05 -04:00
Niko Matsakis
5ddda3f195
rename ToLocations to NormalizeLocation 2018-07-01 15:00:34 +01:00
bors
e100ce4f92 Auto merge of #51855 - Eh2406:i51821, r=nikomatsakis 
A fix for 51821

This dedupe the vec of `OutlivesConstraint` using a `FxHashSet<(RegionVid, RegionVid)>` it alsow adds a `struct ConstraintSet` to encapsulate/ensure this behavere.
 2018-07-01 10:41:51 +00:00
Niko Matsakis
ac5bd5dd2b remove the FxHashSet since it's not helping us in practice 
It turns out that we don't have duplicates, just self-cycles.
 2018-07-01 05:53:35 -04:00
Vadim Petrochenkov
9f92fce77c Fortify dummy span checking 2018-06-30 01:53:32 +03:00
Eh2406
6e0cefe3db add comments 2018-06-28 10:18:35 -04:00
Eh2406
ad71cbfe66 use deref instead of inner 2018-06-28 10:18:33 -04:00
Eh2406
4b44db126e each_affected_by_dirty 2018-06-28 10:18:32 -04:00
Eh2406
9bd2a63f29 remove inner_mut as it can mess up invariants 2018-06-28 10:18:31 -04:00
Eh2406
497a3b4fd5 fix typo and tidy 2018-06-28 10:18:30 -04:00
Eh2406
e2c0378a63 move related types into the new module 2018-06-28 10:18:29 -04:00
Eh2406
e4f03682df use the type system to ensure we dedup from the start 2018-06-28 10:18:25 -04:00
Eh2406
0119669711 use retain to avoid the allocation 2018-06-28 10:15:37 -04:00
Eh2406
8a356011ae Remove duplicates 2018-06-28 10:15:37 -04:00
bors
99a9d6806d Auto merge of #51538 - nikomatsakis:nll-perf-examination, r=eddyb 
convert NLL ops to caches

This is a extension of <https://github.com/rust-lang/rust/pull/51460>. It uses a lot more caching than we used to do. This caching is not yet as efficient as it could be, but I'm curious to see the current perf results.

This is the high-level idea: in the MIR type checker, use [canonicalized queries](https://rust-lang-nursery.github.io/rustc-guide/traits/canonical-queries.html) for all the major operations. This is helpful because the MIR type check is operating in a context where all types are fully known (mostly, anyway) but regions are completely renumbered. This means we often wind up with duplicate queries like `Foo<'1, '2> :Bar` and `Foo<'3, '4>: Bar`. Canonicalized queries let us re-use the results. By the final commit in this PR, we can essentially just "read off" the resulting region relations and add them to the NLL type check.
 2018-06-28 01:41:40 +00:00
Niko Matsakis
0a0dae0964 pull out ParamEnvAnd and remove QueryKey 2018-06-27 15:45:49 -04:00
Vytautas Astrauskas
03ecd982bf Fix the error of selecting obligation by not running the borrow checker. 2018-06-27 18:14:00 +02:00
Vytautas Astrauskas
612eeb1df7 Fix NLL issue 50716 and add a regression test. 2018-06-27 18:13:43 +02:00
Niko Matsakis
e895f3aded convert dropck_outlives type-op to use the query 2018-06-26 12:41:47 -04:00
Niko Matsakis
7c72e778ab instantiate closure requirements as query-region-constraints [WIP] 
Marked as WIP because it invalidates some tests.
 2018-06-26 10:59:40 -04:00
Niko Matsakis
3e32d42532 transition to Fallible 2018-06-26 10:59:40 -04:00
Niko Matsakis
2a0b3d6224 introduce Normalizable trait for things directly normalizable 2018-06-26 10:59:40 -04:00
Niko Matsakis
d6136837b7 convert predicates to operate on 1 predicate at a time 2018-06-26 10:59:40 -04:00
Niko Matsakis
2655522580 move type_op into rustc 2018-06-26 10:59:40 -04:00
Niko Matsakis
3b446b4b91 introduce QueryTypeOp trait and use it for eq 2018-06-26 10:59:40 -04:00
Niko Matsakis
e72dc79488 make convert so it can apply to a single constraint 2018-06-26 10:49:24 -04:00
Niko Matsakis
3f1961d62e extract type-ops into their own submodules 2018-06-26 10:49:24 -04:00
Niko Matsakis
7cb86ed1e3 change to crate privacy instead of pub(super) 2018-06-26 10:49:24 -04:00
Niko Matsakis
7358931a1c improve trivial_case handling 2018-06-26 10:49:24 -04:00
Niko Matsakis
c8cf710ce0 replace LexicalRegionConstraintData with QueryRegionConstraint 2018-06-26 10:49:24 -04:00
Niko Matsakis
71234278fa align the type-op outputs with what canonicalized queries give 2018-06-26 10:31:49 -04:00
Niko Matsakis
6ac89174b8 mk fully_perform_op_and_get_region_constraint_data a TypeOp method 2018-06-26 10:31:49 -04:00
Niko Matsakis
efc84c83f9 remove the TypeOp vs InfcxTypeOp distinction 2018-06-26 10:31:49 -04:00
Niko Matsakis
dee18864ad promote type_op into a mod.rs file 2018-06-26 10:31:49 -04:00
Niko Matsakis
252a6dfa35 introduce DropckOutlives type-op 2018-06-26 10:31:49 -04:00
Niko Matsakis
7a641cb145 make TypeOp implement debug instead of carrying a closure 
This allows us to avoid some silly clones etc.
 2018-06-26 10:31:49 -04:00
Niko Matsakis
e7a9e7aef2 extract a enabled helper to remove some ad-hoc conditionals 2018-06-26 10:31:49 -04:00
Niko Matsakis
13e77934e5 create InfcxTypeOp that only depend on an infcx 
We want any add'l context required to be passed through the struct
itself.
 2018-06-26 10:31:49 -04:00
Niko Matsakis
846cc263cf make normalize into an op 2018-06-26 10:31:49 -04:00
Niko Matsakis
f998628e5c let trivial_noop take ownership of self 2018-06-26 10:31:49 -04:00
Niko Matsakis
8147d17d8e make normalize take ownership of the thing to be normalized 2018-06-26 10:31:49 -04:00
Niko Matsakis
214d7650c9 introduce prove_predicates type op 2018-06-26 10:31:49 -04:00
Niko Matsakis
7c62461c39 introduce trivial_noop to accommodate micro-optimizations 2018-06-26 10:31:49 -04:00