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237 Commits

Author SHA1 Message Date
Niko Matsakis
877b93add2 Move shifting code out of expr and into somewhere more accessible 2015-11-03 04:35:00 -05:00
Oliver Schneider
09d3adf52e implement RFC 1229 
const eval errors outside of true constant enviroments are not reported anymore, but instead forwarded to a lint.
 2015-10-13 17:01:03 +02:00
Cristi Cobzarenco
4b308b44e1 typos: fix a grabbag of typos all over the place 2015-10-08 19:49:31 +01:00
bors
168a23ebe1 Auto merge of #28787 - dotdash:no_more___fat_ptr, r=eddyb 
A DST value and a fat pointer to it have the same representation, all we
have to do is to adjust the type of the datum holding the pointer.
 2015-10-01 20:06:35 +00:00
Niko Matsakis
01f32ace03 Convert DefId to use DefIndex, which is an index into a list of 
paths, and construct paths for all definitions. Also, stop rewriting
DefIds for closures, and instead just load the closure data from
the original def-id, which may be in another crate.
 2015-10-01 10:43:07 -04:00
Niko Matsakis
a0dc2d9a29 Introduce semi-duplicate DefIds into DefLocal/DefUpvar to remove use 
of xxx_local.
 2015-10-01 10:37:19 -04:00
Niko Matsakis
5600c6282e move direct accesses of node to go through as_local_node_id, unless 
they are being used as an opaque "position identifier"
 2015-10-01 10:37:19 -04:00
Björn Steinbrink
bda083fa70 Avoid unnecessary temporaries when ref'ing a DST value 
A DST value and a fat pointer to it have the same representation, all we
have to do is to adjust the type of the datum holding the pointer.
 2015-10-01 15:24:23 +02:00
bors
2e88c36ebc Auto merge of #28642 - petrochenkov:name3, r=nrc 
This PR removes random remaining `Ident`s outside of libsyntax and performs general cleanup
In particular, interfaces of `Name` and `Ident` are tidied up, `Name`s and `Ident`s being small `Copy` aggregates are always passed to functions by value, and `Ident`s are never used as keys in maps, because `Ident` comparisons are tricky.

Although this PR closes https://github.com/rust-lang/rust/issues/6993 there's still work related to it:
- `Name` can be made `NonZero` to compress numerous `Option<Name>`s and `Option<Ident>`s but it requires const unsafe functions.
- Implementation of `PartialEq` on `Ident` should be eliminated and replaced with explicit hygienic, non-hygienic or member-wise comparisons.
- Finally, large parts of AST can potentially be converted to `Name`s in the same way as HIR to clearly separate identifiers used in hygienic and non-hygienic contexts.

r? @nrc
 2015-09-26 14:48:56 +00:00
Eduard Burtescu
f293ea28b4 Remove the deprecated box(PLACE) syntax. 2015-09-24 18:00:08 +03:00
Vadim Petrochenkov
40ce80484c Remove random Idents outside of libsyntax 2015-09-23 20:04:49 +03:00
Vadim Petrochenkov
64fb709f99 Use Names in hir::{Field, ExprMethodCall, ExprField} 2015-09-22 19:53:53 +03:00
bors
783c3fcc1e Auto merge of #28345 - japaric:op-assign, r=nmatsakis 
Implements overload-able augmented/compound assignments, like `a += b` via the `AddAssign` trait, as specified in RFC [953]

[953]: https://github.com/rust-lang/rfcs/blob/master/text/0953-op-assign.md

r? @nikomatsakis
 2015-09-19 21:19:29 +00:00
Jorge Aparicio
3ae3a5fc3c Overloaded augmented assignments 2015-09-18 21:20:15 -05:00
Björn Steinbrink
2c17bfc20c Skip no-op adjustments in trans 
That allows us to keep using trans_into() in case of adjustments that
may actually be ignored in trans because they are a plain deref/ref pair
with no overloaded deref or unsizing.

Unoptimized(!) benchmarks from servo/servo#7638

Before
```
test goser::bench_clone                          ... bench:      17,701 ns/iter (+/- 58) = 30 MB/s
test goser::bincode::bench_decoder               ... bench:      33,715 ns/iter (+/- 300) = 11 MB/s
test goser::bincode::bench_deserialize           ... bench:      36,804 ns/iter (+/- 329) = 9 MB/s
test goser::bincode::bench_encoder               ... bench:      34,695 ns/iter (+/- 149) = 11 MB/s
test goser::bincode::bench_populate              ... bench:      18,879 ns/iter (+/- 88)
test goser::bincode::bench_serialize             ... bench:      31,668 ns/iter (+/- 156) = 11 MB/s
test goser::capnp::bench_deserialize             ... bench:       2,049 ns/iter (+/- 87) = 218 MB/s
test goser::capnp::bench_deserialize_packed      ... bench:      10,707 ns/iter (+/- 258) = 31 MB/s
test goser::capnp::bench_populate                ... bench:         635 ns/iter (+/- 5)
test goser::capnp::bench_serialize               ... bench:      35,657 ns/iter (+/- 155) = 12 MB/s
test goser::capnp::bench_serialize_packed        ... bench:      37,881 ns/iter (+/- 146) = 8 MB/s
test goser::msgpack::bench_decoder               ... bench:      50,634 ns/iter (+/- 307) = 5 MB/s
test goser::msgpack::bench_encoder               ... bench:      25,738 ns/iter (+/- 90) = 11 MB/s
test goser::msgpack::bench_populate              ... bench:      18,900 ns/iter (+/- 138)
test goser::protobuf::bench_decoder              ... bench:       2,791 ns/iter (+/- 29) = 102 MB/s
test goser::protobuf::bench_encoder              ... bench:      75,414 ns/iter (+/- 358) = 3 MB/s
test goser::protobuf::bench_populate             ... bench:      19,248 ns/iter (+/- 92)
test goser::rustc_serialize_json::bench_decoder  ... bench:     109,999 ns/iter (+/- 797) = 5 MB/s
test goser::rustc_serialize_json::bench_encoder  ... bench:      58,777 ns/iter (+/- 418) = 10 MB/s
test goser::rustc_serialize_json::bench_populate ... bench:      18,887 ns/iter (+/- 76)
test goser::serde_json::bench_deserializer       ... bench:     104,803 ns/iter (+/- 770) = 5 MB/s
test goser::serde_json::bench_populate           ... bench:      18,890 ns/iter (+/- 69)
test goser::serde_json::bench_serializer         ... bench:      75,046 ns/iter (+/- 435) = 8 MB/s
```

After
```
test goser::bench_clone                          ... bench:      16,052 ns/iter (+/- 188) = 34 MB/s
test goser::bincode::bench_decoder               ... bench:      31,194 ns/iter (+/- 941) = 12 MB/s
test goser::bincode::bench_deserialize           ... bench:      33,934 ns/iter (+/- 352) = 10 MB/s
test goser::bincode::bench_encoder               ... bench:      30,737 ns/iter (+/- 1,969) = 13 MB/s
test goser::bincode::bench_populate              ... bench:      17,234 ns/iter (+/- 176)
test goser::bincode::bench_serialize             ... bench:      28,269 ns/iter (+/- 452) = 12 MB/s
test goser::capnp::bench_deserialize             ... bench:       2,019 ns/iter (+/- 85) = 221 MB/s
test goser::capnp::bench_deserialize_packed      ... bench:      10,662 ns/iter (+/- 527) = 31 MB/s
test goser::capnp::bench_populate                ... bench:         607 ns/iter (+/- 2)
test goser::capnp::bench_serialize               ... bench:      30,488 ns/iter (+/- 219) = 14 MB/s
test goser::capnp::bench_serialize_packed        ... bench:      33,731 ns/iter (+/- 201) = 9 MB/s
test goser::msgpack::bench_decoder               ... bench:      46,921 ns/iter (+/- 461) = 6 MB/s
test goser::msgpack::bench_encoder               ... bench:      22,315 ns/iter (+/- 96) = 12 MB/s
test goser::msgpack::bench_populate              ... bench:      17,268 ns/iter (+/- 73)
test goser::protobuf::bench_decoder              ... bench:       2,658 ns/iter (+/- 44) = 107 MB/s
test goser::protobuf::bench_encoder              ... bench:      71,024 ns/iter (+/- 359) = 4 MB/s
test goser::protobuf::bench_populate             ... bench:      17,704 ns/iter (+/- 104)
test goser::rustc_serialize_json::bench_decoder  ... bench:     107,867 ns/iter (+/- 759) = 5 MB/s
test goser::rustc_serialize_json::bench_encoder  ... bench:      52,327 ns/iter (+/- 479) = 11 MB/s
test goser::rustc_serialize_json::bench_populate ... bench:      17,262 ns/iter (+/- 68)
test goser::serde_json::bench_deserializer       ... bench:      99,156 ns/iter (+/- 657) = 6 MB/s
test goser::serde_json::bench_populate           ... bench:      17,264 ns/iter (+/- 77)
test goser::serde_json::bench_serializer         ... bench:      66,135 ns/iter (+/- 392) = 9 MB/s

```
 2015-09-18 15:46:58 +02:00
bors
89faafcd67 Auto merge of #28381 - ebfull:aint-fraid-a-no-ghosts-redux, r=me 
#27483 redux at Gankro's request.

Fixes #26905, Closes #28239

r? @nrc
 2015-09-17 10:11:23 +00:00
Nick Cameron
d21bfff78c Remove hir::ExprParen 2015-09-17 12:16:46 +12:00
Nick Cameron
e9f1b06329 Use ast attributes every where (remove HIR attributes). 
This could be a [breaking-change] if your lint or syntax extension (is that even possible?) uses HIR attributes or literals.
 2015-09-16 10:57:06 +12:00
Sean Bowe
b096403d43 Ignore PhantomData when checking CoerceUnsized implementations 2015-09-14 22:02:26 -06:00
Ariel Ben-Yehuda
5a95acb8ab split ty::util and ty::adjustment 2015-09-14 14:55:56 +03:00
Ariel Ben-Yehuda
caa10c3bde move middle::ty and related modules to middle/ty/ 2015-09-14 10:56:13 +03:00
bors
f6aac80375 Auto merge of #28270 - arielb1:raw-fat-ops, r=nrc 
r? @nrc 

Fixes #17736
Fixes #18829
Fixes #23888
Fixes #28236
 2015-09-06 23:24:11 +00:00
Ariel Ben-Yehuda
34bc99f860 implement raw fat pointer ops 2015-09-06 16:11:38 +03:00
Niko Matsakis
004d70212a track, for each upvar, its index in list of upvars 2015-09-06 07:27:22 -04:00
bors
2f77a59d16 Auto merge of #28201 - apasel422:issue-26205, r=nikomatsakis 
Closes #26205.

r? @eddyb
 2015-09-04 14:16:54 +00:00
Andrew Paseltiner
b8dad48435 Fix multiple mutable autoderefs with Box 
Closes #26205.
 2015-09-03 14:41:27 -04:00
Simonas Kazlauskas
d8074e65b0 Use proper span for break and continue labels 
Fixes #28109
 2015-09-03 03:50:43 +03:00
Nick Cameron
facdf2ebb1 Add an intital HIR and lowering step 2015-09-03 10:02:36 +12:00
Huon Wilson
bb6be30d6f Remove some SIMD codepaths from trans. 2015-08-31 18:33:55 -07:00
bors
abfa081c10 Auto merge of #27999 - dotdash:lt, r=eddyb 
The major change here is in the tiny commit at the end and makes it so that we no longer emit lifetime intrinsics for allocas for function arguments. They are live for the whole function anyway, so the intrinsics add no value. This makes the resulting IR more clear, and reduces the peak memory usage and LLVM times by about 1-4%, depending on the crate.

The remaining changes are just preparatory cleanups and fixes for missing lifetime intrinsics.
 2015-08-27 20:09:15 +00:00
bors
ab21fe59e9 Auto merge of #28020 - dotdash:ref_fat_ptr_be_gone, r=eddyb 
r? @eddyb -- we talked about this on IRC a while back but I only now managed to get the change done.
 2015-08-27 03:57:21 +00:00
Björn Steinbrink
05d36965df Avoid an extra alloca/memcpy when auto-ref'ing fat pointers 
auto_ref() handles fat pointers just fine and unlike ref_fat_ptr() does so
without creating an unnecessary copy of the pointer.
 2015-08-26 19:41:27 +02:00
Ariel Ben-Yehuda
277eeb95c3 move destructors_for_type into AdtDef 2015-08-25 21:52:15 +03:00
Björn Steinbrink
727a5d543d Prefer alloc_ty() instead of alloca() where possible 2015-08-25 18:37:01 +02:00
Björn Steinbrink
6c512dc52b Separate lifetime starts from alloca() 
Combining them seemed like a good idea at the time, but turns out that
handling lifetimes separately makes it somewhat easier to handle cases
where we don't want the intrinsics, and let's you see more easily where
the start/end pairs are.
 2015-08-25 18:36:10 +02:00
Björn Steinbrink
f3bd14ab11 Turn some alloca_no_lifetime() calls into plain alloca() calls 
The issues that the comments referred to were fixed before the PR even
landed but we never got around to remove the hack of skipping the
lifetime start.
 2015-08-25 18:36:10 +02:00
bors
5c630a61c6 Auto merge of #27981 - dotdash:gepi, r=brson 2015-08-25 10:46:06 +00:00
Björn Steinbrink
5d9c250fe4 Use StructGEP instead of GEPi where appropriate 
StructGEP seems clearer and probably does an even better job of the
micro-optimization that we have in GEPi.
 2015-08-24 23:39:56 +02:00
Björn Steinbrink
d80ff126bf Rename get_len() to get_meta() 
The functions is useful for all kinds of fat pointers, but get_len()
just feels so wrong for trait object fat pointers. Let's use get_meta()
because that's rather neutral.
 2015-08-24 23:39:43 +02:00
Niko Matsakis
c0de23de81 convert to use is_local instead of == LOCAL_CRATE 2015-08-24 05:35:34 -04:00
Niko Matsakis
e91bef2e05 fallout from moving def-id 2015-08-24 05:35:34 -04:00
bors
c8c14f207b Auto merge of #27875 - alexcrichton:msvc-f32-rem, r=nrc 
Currently `f32 % f32` will generate a link error on 32-bit MSVC because LLVM
will lower the operation to a call to the nonexistent function `fmodf`. Work
around in this in the backend by lowering to a call to `fmod` instead with
necessary extension/truncation between floats/doubles.

Closes #27859
 2015-08-19 07:14:43 +00:00
Alex Crichton
8a7b0fad53 trans: Call fmod manually for 32-bit float rem 
Currently `f32 % f32` will generate a link error on 32-bit MSVC because LLVM
will lower the operation to a call to the nonexistent function `fmodf`. Work
around in this in the backend by lowering to a call to `fmod` instead with
necessary extension/truncation between floats/doubles.

Closes #27859
 2015-08-17 23:32:30 -07:00
Huon Wilson
1bfbde6778 Add comparison and shuffle SIMD intrinsics. 
- simd_eq, simd_ne, simd_lt, simd_le, simd_gt, simd_ge
- simd_shuffleNNN
 2015-08-17 14:41:37 -07:00
Ariel Ben-Yehuda
015300109d cache Ty::is_simd 2015-08-06 18:26:00 +03:00
Ariel Ben-Yehuda
5f3c1412ad use VariantDef instead of struct_fields 2015-08-06 16:54:40 +03:00
Ariel Ben-Yehuda
764310e7bb introduce an ADTDef struct for struct/enum definitions 2015-08-06 14:16:56 +03:00
Björn Steinbrink
6e311e7af4 Make C_u8 take a u8 instead of a usize value 2015-08-05 09:56:29 +02:00
Eduard Burtescu
a34b0a4691 rustc: replace def::MethodProvenance with ty::ImplOrTraitItemContainer. 2015-08-04 01:16:53 +03:00
Simonas Kazlauskas
cca0ea718d Replace illegal with invalid in most diagnostics 2015-07-29 01:59:31 +03:00