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Author SHA1 Message Date
Oliver Schneider
d64af4a627 Rebase and address comments 2017-04-25 13:35:04 +02:00
Oliver Schneider
e0655a0319
Fix a parse-fail test 2017-04-25 11:07:43 +02:00
Oliver Schneider
f4b1e2af68
Improve E0178 suggestion placement 2017-04-25 11:07:42 +02:00
Oliver Schneider
3a5567bad4
Address PR comments 2017-04-25 11:07:42 +02:00
Oliver Schneider
ca701d7aeb
Simplify a suggestion for str addition 2017-04-25 11:07:42 +02:00
Oliver Schneider
b857a1a39f
Update affected tests 2017-04-25 11:04:35 +02:00
Oliver Schneider
0e920fde4f
Minimize single span suggestions into a note 2017-04-25 11:04:34 +02:00
bors
0777c757a6 Auto merge of #40123 - TimNN:llvm40, r=alexcrichton 
LLVM 4.0 Upgrade

Since nobody has done this yet, I decided to get things started:

**Todo:**

* [x] push the relevant commits to `rust-lang/llvm` and `rust-lang/compiler-rt`
* [x] cleanup `.gitmodules`
* [x] Verify if there are any other commits from `rust-lang/llvm` which need backporting
* [x] Investigate / fix debuginfo ("`<optimized out>`") failures
* [x] Use correct emscripten version in docker image

---

Closes #37609.

---

**Test results:**

Everything is green 🎉
 2017-04-24 22:18:16 +00:00
bors
63c77214c1 Auto merge of #40634 - GuillaumeGomez:refcell-docs, r=steveklabnik 
Add more explanation on RefCell::get_mut

Fixes #40203.

r? @rust-lang/docs
 2017-04-24 13:09:35 +00:00
Guillaume Gomez
3ad844cfe2 Add more explanation on RefCell::get_mut 2017-04-24 15:08:39 +02:00
bors
846891aeff Auto merge of #41494 - withoutboats:associated-consts-are-not-object-safe, r=eddyb 
Associated consts are not object safe.

fixes #26847

r? @eddyb
 2017-04-24 10:06:41 +00:00
Without Boats
5dc43d272d Feature gate in test. 2017-04-24 02:42:36 -07:00
Without Boats
95ffda1e9e Style. 2017-04-24 01:40:17 -07:00
Without Boats
ed5d09d8f3 Fix type error. 2017-04-24 01:20:36 -07:00
Without Boats
bd31498ef6 Add compile-fail test. 2017-04-24 01:19:12 -07:00
Without Boats
86b10671db Associated consts are not object safe. 2017-04-23 22:00:09 -07:00
bors
15ce54096a Auto merge of #41486 - arielb1:select-where, r=eddyb 
traits::select: quickly filter out predicates from other traits

this improves most pre-trans passes's performance by ~1%.

That missed the spring cleaning PR because I wanted to ship it.

r? @eddyb
 2017-04-23 23:06:50 +00:00
bors
2bd4b5c6db Auto merge of #41485 - arielb1:dtorck-constraint, r=eddyb 
cache dtorck constraints on ADTs

This avoids visiting the fields of all structs multiple times, improving item-bodies checking time by 10% (!).

Not sure whether we want this in 1.18 or 1.19. It's a big-ish patch, but the 10% win is very tempting.

r? @eddyb
 2017-04-23 20:11:50 +00:00
Ariel Ben-Yehuda
d3476f4b76 cache ADT dtorck results 
This avoids visiting the fields of all structs multiple times, improving
item-bodies checking time by 10% (!).
 2017-04-23 23:09:21 +03:00
Ariel Ben-Yehuda
eadb049799 traits::select: quickly filter out predicates from other traits 
this improves most pre-trans passes's performance by ~1%.
 2017-04-23 23:05:25 +03:00
Tim Neumann
8994277657 FIN: windows-gnu: statically link gcc_s, pthread with llvm 2017-04-23 22:00:03 +02:00
Tim Neumann
f3dda17469 FIN: Compile LLVM with -fno-omit-frame-pointer on 32bit MinGW builds 
to work around an apparently bad optimization.
 2017-04-23 22:00:03 +02:00
Tim Neumann
67560f6fae FIN: switch appveryor to mingw with posix threads 2017-04-23 22:00:03 +02:00
Tim Neumann
6723e69a54 FIN: ignore failing test on emscripten, see #41299 2017-04-23 22:00:02 +02:00
Tim Neumann
5bd4e27db2 FIN: update appveyor mingw description 2017-04-23 22:00:02 +02:00
Tim Neumann
5ae4a58c33 FIN: build comiler-rt wihout Thumb on arm 2017-04-23 22:00:02 +02:00
Tim Neumann
a146431e4c FIN: disable backtrace printing for panic-runtime/abort* on ARM 2017-04-23 22:00:02 +02:00
Tim Neumann
a0ce63be2b FIN: update emscripten builder 2017-04-23 22:00:01 +02:00
Tim Neumann
f622542b64 FIN/CRT: adopt all applicable rust compiler-rt patches 2017-04-23 22:00:01 +02:00
Tim Neumann
aaa307ce47 FIN/LLVM: new rust patches required for 4.0 2017-04-23 22:00:01 +02:00
Tim Neumann
4fcfab16d3 FIN/LLVM: adopt all applicable rust llvm patches 2017-04-23 22:00:01 +02:00
Tim Neumann
167b7eb8b5 FIN: update to upstream (llvm 4.0.1 + fastcomp 1.37.10) & compiler-rt 4.0 2017-04-23 22:00:00 +02:00
Ariel Ben-Yehuda
5412587910 clean-up adt_sized_constraint now that it uses on-demand 2017-04-23 14:37:18 +03:00
bors
23de823e93 Auto merge of #41408 - eddyb:poly-const-eval, r=arielb1 
rustc: generalize monomorphic_const_eval to polymorphic constants.

With the addition of `Substs` to the query key, we can now evaluate *and cache* polymorphic constants.

Fixes #23898 by replacing the crippled explicit-discriminant-only local-crate-only `lookup_variant_by_id` with `ConstVal::Variant` which can describe variants irrespective of their discriminant.

Fixes #41394 by fixing #23898 (for the original testcase) and by not looping past the first discriminant.
 2017-04-23 08:35:00 +00:00
Eduard-Mihai Burtescu
8054377f8f rustc_const_eval: support all unit enum variants. 2017-04-23 11:11:57 +03:00
Eduard-Mihai Burtescu
0ff828baa0 rustc_const_eval: CallOn isn't needed, typeck/const-qualif handle those cases. 2017-04-23 11:11:56 +03:00
Eduard-Mihai Burtescu
e22873d912 rustc: make the const-eval cache polymorphic. 2017-04-23 11:11:54 +03:00
bors
a94124488a Auto merge of #41437 - cuviper:remove-unstable-deprecated, r=alexcrichton 
Remove items that are unstable and deprecated

This removes unstable items that have been deprecated for more than one cycle.

- Since 1.16.0, `#![feature(enumset)]`
    - All of `mod collections::enum_set`
- Since 1.15.0, `#![feature(borrow_state)]`
    - `cell::BorrowState`
    - `RefCell::borrow_state()`
- Since 1.15.0, `#![feature(is_unique)]`
    - `Rc::is_unique()` (made private like `Arc::is_unique()`)
- Since 1.15.0, `#![feature(rc_would_unwrap)]`
    - `Rc::would_wrap()`
- Since 1.13.0, `#![feature(binary_heap_extras)]`
    - `BinaryHeap::push_pop()`
    - `BinaryHeap::replace()`
- Since 1.12.0, `#![feature(as_unsafe_cell)]`
    - `Cell::as_unsafe_cell()`
    - `RefCell::as_unsafe_cell()`
- Since 1.12.0, `#![feature(map_entry_recover_keys)]`
    - `btree_map::OccupiedEntry::remove_pair()`
    - `hash_map::OccupiedEntry::remove_pair()`
- Since 1.11.0, `#![feature(float_extras)]`
    - `Float::nan()`
    - `Float::infinity()`
    - `Float::neg_infinity()`
    - `Float::neg_zero()`
    - `Float::zero()`
    - `Float::one()`
    - `Float::integer_decode()`
    - `f32::integer_decode()`
    - `f32::ldexp()`
    - `f32::frexp()`
    - `f32::next_after()`
    - `f64::integer_decode()`
    - `f64::ldexp()`
    - `f64::frexp()`
    - `f64::next_after()`
- Since 1.11.0, `#![feature(zero_one)]`
    - `num::Zero`
    - `num::One`
 2017-04-23 02:13:55 +00:00
Corey Farwell
13d2534fd3 Remove unused import. 2017-04-22 22:13:22 -04:00
bors
252d3da8a6 Auto merge of #41469 - arielb1:rustc-spring-cleaning, r=eddyb 
Performance audit, Spring 2017

Fix up some quite important performance "surprises" I've found running callgrind on rustc.
 2017-04-22 20:07:01 +00:00
Ariel Ben-Yehuda
a660ad84b3 bail out of selection when there are multiple surviving candidates 
In some cases (e.g. <[int-var] as Add<[int-var]>>), selection can turn up
a large number of candidates. Bailing out early avoids O(n^2) performance.

This improves item-type checking time by quite a bit, resulting in ~2% of total
time-to-typeck.
 2017-04-22 21:02:50 +03:00
Ariel Ben-Yehuda
a0f145ba8c add a cache to impl_polarity 
this is another one of these things that looks *much* worse on valgrind.
 2017-04-22 21:02:41 +03:00
Ariel Ben-Yehuda
81af6fb67c allocate less strings in symbol_names 
this improves trans performance by *another* 10%.
 2017-04-22 21:02:02 +03:00
Ariel Ben-Yehuda
266d36f3b1 weak_lang_items: check for lang attribute before calling value_str 
improves trans performance by *another* 10%.
 2017-04-22 21:00:50 +03:00
Ariel Ben-Yehuda
ece6c8434b cache attributes of items from foreign crates 
this avoids parsing item attributes on each call to `item_attrs`, which takes
off 33% (!) of translation time and 50% (!) of trans-item collection time.
 2017-04-22 21:00:50 +03:00
Ariel Ben-Yehuda
acd0e40b86 short-cut SharedCrateContext::layout_of 
That method is *incredibly* hot, so this ends up saving 10% of trans
time.

BTW, we really should be doing dependency tracking there - and possibly be
taking the respective perf hit (got to find a way to make DTMs fast), but
`layout_cache` is a non-dep-tracking map.
 2017-04-22 21:00:50 +03:00
Ariel Ben-Yehuda
e1377a4f47 avoid calling mk_region unnecessarily 
this improves typeck & trans performance by 1%. This looked hotter on
callgrind than it is on a CPU.
 2017-04-22 21:00:50 +03:00
Ariel Ben-Yehuda
3bf00450cb remove cleanup branches to the resume block 
This improves LLVM performance by 10% lost during the shimmir transition.
 2017-04-22 21:00:50 +03:00
bors
cb4065b9ce Auto merge of #41431 - GuillaumeGomez:hoedown-default, r=aturon 
Re-enable hoedown by default

r? @rust-lang/docs

cc @aturon
 2017-04-22 17:37:04 +00:00
bors
9cc77d7690 Auto merge of #41464 - frewsxcv:rollup, r=frewsxcv 
Rollup of 3 pull requests

- Successful merges: #41077, #41355, #41450
- Failed merges:
 2017-04-22 14:17:36 +00:00