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Author SHA1 Message Date
Matthew Jasper
f71f733d48 Add a MIR transform to remove fake reads 
As we are now creating borrows of places that may not be valid for
borrow checking matches, these have to be removed to avoid generating
broken code.
 2018-09-24 23:33:13 +01:00
Rémy Rakic
e90c942477 Update mir-opt test suite 2018-09-18 14:36:37 +02:00
bors
dfabe4b885 Auto merge of #54032 - oli-obk:layout_scalar_ranges, r=eddyb 
Add forever unstable attribute to allow specifying arbitrary scalar ranges

r? @eddyb for the first commit and @nikomatsakis for the second one
 2018-09-14 09:47:21 +00:00
Oliver Schneider
5f42a0f005 Change debug printing to print in the old concise style 2018-09-11 13:49:10 +02:00
Niko Matsakis
2f6628ecec optimize let x: T = .. to avoid a temporary 
For some weird reason this fixes `intrinsic-move-val`. It also affects
various test heuristics. I removed one test (`reborrow_basic`) that
didn't seem to really be testing anything in particular anymore,
compared to all the other tests we've got.
 2018-09-10 08:28:56 -04:00
Niko Matsakis
dd3cc9669a add the AscribeUserType statement kind 
Make it have the semantics of subtype.
 2018-09-10 08:22:31 -04:00
bors
0198a1ea45 Auto merge of #53909 - mikhail-m1:53643, r=nikomatsakis 
Skip a shared borrow of a immutable local variables

issue #53643

r? @nikomatsakis
 2018-09-08 19:57:14 +00:00
Wesley Wiser
b1211e8703 Fix tests 2018-09-06 22:57:05 -04:00
Mikhail Modin
527a29a5c6 Skip a shared borrow of a immutable local variables 
issue #53643
 2018-09-06 21:46:52 +01:00
Oliver Schneider
d125e904b5 Restrict most uses of const_fn to min_const_fn 2018-08-31 08:40:00 +02:00
Oliver Schneider
472ca71598 Implement the min_const_fn feature gate 2018-08-31 08:39:59 +02:00
Niko Matsakis
7eec37b2f9 merge PointIndexMap and RegionValueElements 2018-08-27 13:57:55 -04:00
Niko Matsakis
fe34c90458 patch up mir-opt tests 2018-07-26 15:12:04 +03:00
Oliver Schneider
cbd42749ef Update mir-opt to promoted changes 2018-07-23 09:51:31 +02:00
dylan_DPC
0770ff0500 delete tests 2018-07-21 19:46:41 +05:30
dylan_DPC
7db3324340 remove unwanted tests and a reference to it in comments 2018-07-21 11:42:44 +05:30
bors
e92e9ce0d8 Auto merge of #52046 - cramertj:fix-generator-mir, r=eddyb 
Ensure StorageDead is created even if variable initialization fails

Rebase and slight cleanup of https://github.com/rust-lang/rust/pull/51109
Fixes https://github.com/rust-lang/rust/issues/49232

r? @eddyb
 2018-07-13 00:38:17 +00:00
Taylor Cramer
9c15a6606e Ensure StorageDead is created even if variable initialization fails 2018-07-12 10:13:41 -07:00
gnzlbg
4ff90c7e0a bump minimum LLVM version to 5.0 2018-07-09 11:35:52 +02:00
bors
b51ca20ce5 Auto merge of #51964 - matthewjasper:unused-mut-mir-generation, r=nikomatsakis 
[NLL] Fix various unused mut errors

Closes #51801
Closes #50897
Closes #51830
Closes #51904
cc #51918 - keeping this one open in case there are any more issues

This PR contains multiple changes. List of changes with examples of what they fix:

* Change mir generation so that the parameter variable doesn't get a name when a `ref` pattern is used as an argument
```rust
fn f(ref y: i32) {} // doesn't trigger lint
```
* Change mir generation so that by-move closure captures don't get first moved into a temporary.
```rust
let mut x = 0; // doesn't trigger lint
move || {
    x = 1;
};
```
* Treat generator upvars the same as closure upvars
```rust
let mut x = 0; // This mut is now necessary and is not linted against.
move || {
    x = 1;
    yield;
};
```

r? @nikomatsakis
 2018-07-05 00:22:14 +00:00
Matthew Jasper
125c9d99e5 Fix various nll unused mut errors 2018-07-03 20:12:09 +01:00
Niko Matsakis
73f8333e78 update mir-opt tests 2018-07-01 10:13:05 -04:00
Matthew Jasper
43fce075d3 Update MIR opt tests 2018-06-27 22:06:21 +01:00
varkor
ee7e30f14a Fix codegen tests 2018-06-23 18:00:47 +01:00
Eduard-Mihai Burtescu
3da186b67f rustc: use syntactic (instead of visibility) source info where appropriate. 2018-05-30 20:30:10 +03:00
Felix S. Klock II
5eebd36c93 Test update: Fallout from ReadForMatch statements + changes to codegen under NLL. 2018-05-29 23:02:40 +02:00
John Kåre Alsaker
6c2d875261 Make &Slice a thin pointer 2018-05-27 17:28:35 +02:00
bors
c6a1979e20 Auto merge of #50603 - eddyb:issue-49955, r=nikomatsakis 
rustc_mir: allow promotion of promotable temps indexed at runtime.

Fixes #49955.

r? @nikomatsakis
 2018-05-19 00:27:45 +00:00
Eduard-Mihai Burtescu
d1f117df0f rustc_mir: allow promotion of promotable temps indexed at runtime. 2018-05-16 15:40:54 +03:00
Eduard-Mihai Burtescu
b9af400a46 rustc_mir: generate an extra temporary during borrowed rvalue promotion. 2018-05-16 14:11:01 +03:00
Niko Matsakis
a64ef13a06 "fix" test region-liveness-two-disjoint-uses 
We no longer get two disjoint uses. =)
 2018-05-10 17:14:51 -04:00
Felix S. Klock II
930e76e2af Update mir-opt test to reflect change to MIR code-generation. 2018-05-04 13:17:13 +02:00
Niko Matsakis
45d281d7fa remove -Znll -- borrowck=mir implies nll now 2018-04-15 07:13:42 -04:00
Vadim Petrochenkov
fcf48520a0 Add some new tests + Fix failing tests 2018-04-12 23:06:03 +03:00
Vadim Petrochenkov
1a2a23447e Stabilize attributes on generic parameters 2018-04-05 02:19:56 +03:00
Mark Mansi
7ce8191775 Stabilize i128_type 2018-03-26 08:36:50 -05:00
David Wood
03481f19ea
Updated MIR with UserAssertTy in mir-opt tests. 2018-03-23 11:34:06 +00:00
Niko Matsakis
94eebaa325 WIP fix mir-opt-end-region-8 2018-03-21 09:24:32 -04:00
Vadim Petrochenkov
7c90189e13 Stabilize slice patterns without .. 
Merge `feature(advanced_slice_patterns)` into `feature(slice_patterns)`
 2018-03-20 02:27:40 +03:00
Oliver Schneider
d98a2b90b2
Rebase fallout 2018-03-08 08:34:17 +01:00
Oliver Schneider
918b6d7633
Produce instead of pointers 2018-03-08 08:08:14 +01:00
Manish Goregaokar
f59ab8e96a
Rollup merge of #48355 - mikhail-m1:subslice_pattern_array_drop2, r=nikomatsakis 
Fixes #47311.
r? @nrc
 2018-02-28 15:09:22 -08:00
Mikhail Modin
12c7e27330 restore Subslice move out from array after elaborate drops and borrowck 2018-02-25 18:59:16 +03:00
Eduard-Mihai Burtescu
c9fcedeb4c rustc_mir: optimize the deaggregator's expansion of statements. 2018-02-20 02:50:26 +02:00
Eduard-Mihai Burtescu
d773d95880 rustc_mir: don't run the deaggregator on arrays for now. 2018-02-20 02:50:26 +02:00
Eduard-Mihai Burtescu
b88180f74c rustc_mir: handle all aggregate kinds in the deaggregator. 2018-02-20 02:50:26 +02:00
Matthias Krüger
4452446292 fix more typos found by codespell. 2018-02-17 17:38:49 +01:00
bors
b85bd51c94 Auto merge of #47926 - mikhail-m1:subslice_pattern_array_drop2, r=nikomatsakis 
add transform for uniform array move out

reworked second step for fix #34708
previous try #46686
r? @nikomatsakis
 2018-02-17 08:44:41 +00:00
bors
7f2baba121 Auto merge of #48092 - eddyb:discriminate-the-void, r=nikomatsakis 
rustc_mir: insert a dummy access to places being matched on, when building MIR.

Fixes #47412 by adding a `_dummy = Discriminant(place)` before each `match place {...}`.

r? @nikomatsakis
 2018-02-11 02:42:19 +00:00
Eduard-Mihai Burtescu
8af134e031 rustc_mir: insert a dummy access to places being matched on, when building MIR. 2018-02-09 23:25:10 +02:00