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685 Commits

Author SHA1 Message Date
Daniel Micay
fe3ad0a204 rm some uses of to_mut_unsafe_ptr 2013-06-08 15:02:32 -04:00
Huon Wilson
98ba91f81b remove unused import warnings 2013-06-09 02:22:23 +10:00
Huon Wilson
513d2292e5 std: remove foldr and alli methods in vec 2013-06-09 02:22:23 +10:00
Huon Wilson
ed299af625 std: remove fold[lr] in favour of iterators 2013-06-09 02:22:23 +10:00
Huon Wilson
65c7c58c8f std: remove {all*,any*,count} in favour of iterators 2013-06-09 02:22:23 +10:00
Huon Wilson
ce4f63dcee std: add reverse vec iterators, replace vec::each*_reverse. 2013-06-09 02:22:23 +10:00
Huon Wilson
f661a15b2b std: remove vec::each2 and vec::each2_mut in favour of iterators 2013-06-08 01:20:47 +10:00
Michael Sullivan
8bbf83b62a Clean up a handful of build warnings. 2013-06-06 12:14:41 -07:00
Alexei Sholik
e75572c879 Deduplicate words in code comments 2013-06-06 10:48:27 +03:00
John Clements
04a691a511 token_to_ident takes argument by reference 2013-06-05 12:01:38 -07:00
John Clements
3203595471 interner just uses uints, not idents with syntax context 2013-06-05 12:01:38 -07:00
John Clements
ae02bf70e0 removed some interner fields 2013-06-05 12:01:38 -07:00
John Clements
22d21ab4c2 rename repr to name 2013-06-05 12:01:37 -07:00
Patrick Walton
8114d0e950 librustc: Disallow multiple patterns from appearing in a "let" declaration. 
You can still initialize multiple variables at once with "let (x, y) = (1, 2)".
 2013-06-04 21:45:42 -07:00
Jed Davis
0c9510ac38 Use ABI alignment, not "preferred" alignment, to unify monomorphizations. 
See the comment in the added test case for details.
 2013-06-04 00:18:48 -07:00
Björn Steinbrink
b51f44e21b Fix passing self by value for types passed by value 
For types that are passed by value, we can't just cast the value to a
pointer, but have to use an alloca and copy the value there. This
handling is already present for all other arguments, but was missing
for "self".

Fixes #6682, #4850 and #4878
 2013-06-03 00:06:09 +02:00
bors
63417daea4 auto merge of #6885 : erickt/rust/move-callee_id, r=catamorphism 
The `callee_id` in `ast::expr` in only used in a couple expression variants. This moves the `callee_id` into those branches to make it more clear when its should be used.

Also, it fixes a bug in a std::run test when there is a symlink in the path rust where was checked out.
 2013-06-01 17:13:39 -07:00
Erick Tryzelaar
23808efd11 syntax: move callee_id into the expr_ variants 2013-06-01 15:31:56 -07:00
Luqman Aden
64759c9f25 librustc: Have destructor run for unit-like structs. 2013-06-01 17:41:07 -04:00
Patrick Walton
5fb254695b Remove all uses of pub impl. rs=style 2013-06-01 09:18:27 -07:00
bors
1dd5cd9731 auto merge of #6833 : fdr/rust/fix-warnings, r=Aatch 
Fix a laundry list of warnings involving unused imports that glutted
up compilation output.  There are more, but there seems to be some
false positives (where 'remedy' appears to break the build), but this
particular set of fixes seems safe.
 2013-05-31 00:43:45 -07:00
bors
6fcb483609 auto merge of #6848 : pcwalton/rust/issue-6352, r=pcwalton 
r? @nikomatsakis
 2013-05-30 23:31:48 -07:00
Patrick Walton
40b455792d librustc: Bump the offset when translating const structs. Closes #6352. 2013-05-30 18:17:32 -07:00
Daniel Farina
aef1e10eba Remove unnecessary 'use' forms 
Fix a laundry list of warnings involving unused imports that glutted
up compilation output.  There are more, but there seems to be some
false positives (where 'remedy' appears to break the build), but this
particular set of fixes seems safe.
 2013-05-30 13:08:18 -07:00
Niko Matsakis
9c7eb068e5 Replace NDM with proper FIXME 2013-05-30 15:20:36 -04:00
Niko Matsakis
7a1a40890d Remove copy bindings from patterns. 2013-05-30 15:20:36 -04:00
Niko Matsakis
5209709e46 Fix matching of rvalues with destructors 
Fixes #4542.
 2013-05-30 15:20:36 -04:00
Niko Matsakis
c492a2126f Remove some spurious copies that are identified by later patches 2013-05-30 09:54:39 -04:00
Niko Matsakis
7dfb865339 Remove local_imm/local_mem since all variables are now by reference 2013-05-30 09:54:38 -04:00
Niko Matsakis
2616581863 Refactor helper routines to be less tied to match syntax 2013-05-30 09:47:15 -04:00
Niko Matsakis
dcd84901c6 Remove TrByImplicitRef and source field on datums 2013-05-30 09:47:14 -04:00
Björn Steinbrink
1720d9f663 Remove a bunch of unnecessary allocations and copies 2013-05-30 11:49:04 +02:00
Patrick Walton
206ab89629 librustc: Stop reexporting the standard modules from prelude. 2013-05-29 19:04:53 -07:00
bors
844b5cff36 auto merge of #6794 : thestinger/rust/align_zero, r=pcwalton 
This is unlikely to alter optimized codegen much but there's no point in downgrading the known alignment to 1.
 2013-05-29 07:32:06 -07:00
bors
e3d0c1eb0e auto merge of #6731 : thomaslee/rust/issue-6575, r=pcwalton 
Fix for #6575. In the trans phase, rustc emits code for a function parameter that goes completely unused in the event the return type of the function in question happens to be an immediate.

This patch modifies rustc & parts of rustrt to ensure that the vestigial parameter is no longer present in compiled code.
 2013-05-28 17:37:57 -07:00
Daniel Micay
9ab2921300 use the type's alignment for generated memsets 2013-05-28 18:38:46 -04:00
bors
d7e1f08b21 auto merge of #6774 : alexcrichton/rust/silence-warnings, r=graydon 
Also as a bonus this fixes #6767
 2013-05-28 13:35:05 -07:00
Alex Crichton
b04c40bb1c Silence various warnings throughout test modules 2013-05-28 15:27:35 -05:00
Daniel Micay
accc5272f8 noalias on all &mut parameters is too coarse 
it can alias `&const` and `@mut`
 2013-05-28 13:05:50 -04:00
bors
b738b5766e auto merge of #6754 : thestinger/rust/noalias, r=nikomatsakis 
The compiler guarantees that there are no other references to a unique pointer when it's passed by-value to a function.

The existence of the header and annihilator don't matter since it's not relevant to the call:

> For a call to the parent function, dependencies between memory references from before or after the call and from those during the call are “irrelevant” to the noalias keyword for the arguments and return value used in that call.

@graydon's tracing garbage collector stores the metadata outside of the boxes, so that won't be a problem. I'm unsure if updating the header while inside a function where it's marked as `noalias` would be a problem anyway since you never actually read or write to the header.

@nikomatsakis: r?
 2013-05-28 02:59:03 -07:00
Tom Lee
b7f71e1ee6 Implementing suggestions from @nikomatsakis 2013-05-27 19:34:25 -07:00
bors
2061ce9aff auto merge of #6741 : pcwalton/rust/intra-crate-start, r=graydon 
r? @brson
 2013-05-27 18:26:04 -07:00
Tom Lee
67283eaad2 Omit unused implicit argument if return type is immediate. 2013-05-27 17:13:01 -07:00
bors
dbc57584bd auto merge of #6724 : thestinger/rust/swap_fast, r=thestinger 
Passing higher alignment values gives the optimization passes more freedom since it can copy in larger chunks. This change results in rustc outputting the same post-optimization IR as clang for swaps and most copies excluding the lack of information about padding.

Code snippet:

```rust
#[inline(never)]
fn swap<T>(x: &mut T, y: &mut T) {
    util::swap(x, y);
}
```

Original IR (for `int`):

```llvm
define internal fastcc void @_ZN9swap_283417_a71830ca3ed2d65d3_00E(i64*, i64*) #1 {
static_allocas:
  %2 = icmp eq i64* %0, %1
  br i1 %2, label %_ZN4util9swap_283717_a71830ca3ed2d65d3_00E.exit, label %3

; <label>:3                                       ; preds = %static_allocas
  %4 = load i64* %0, align 1
  %5 = load i64* %1, align 1
  store i64 %5, i64* %0, align 1
  store i64 %4, i64* %1, align 1
  br label %_ZN4util9swap_283717_a71830ca3ed2d65d3_00E.exit

_ZN4util9swap_283717_a71830ca3ed2d65d3_00E.exit:  ; preds = %3, %static_allocas
  ret void
}
```

After #6710:

```llvm
define internal fastcc void @_ZN9swap_283017_a71830ca3ed2d65d3_00E(i64* nocapture, i64* nocapture) #1 {
static_allocas:
  %2 = load i64* %0, align 1
  %3 = load i64* %1, align 1
  store i64 %3, i64* %0, align 1
  store i64 %2, i64* %1, align 1
  ret void
}
```

After this change:

```llvm
define internal fastcc void @_ZN9swap_283017_a71830ca3ed2d65d3_00E(i64* nocapture, i64* nocapture) #1 {
static_allocas:
  %2 = load i64* %0, align 8
  %3 = load i64* %1, align 8
  store i64 %3, i64* %0, align 8
  store i64 %2, i64* %1, align 8
  ret void
}
```

Another example:

```rust
#[inline(never)]
fn set<T>(x: &mut T, y: T) {
    *x = y;
}
```

Before, with `(int, int)` (align 1):

```llvm
define internal fastcc void @_ZN8set_282517_8fa972e3f9e451983_00E({ i64, i64 }* nocapture, { i64, i64 }* nocapture) #1 {
static_allocas:
  %2 = bitcast { i64, i64 }* %1 to i8*
  %3 = bitcast { i64, i64 }* %0 to i8*
  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %3, i8* %2, i64 16, i32 1, i1 false)
  ret void
}
```

After, with `(int, int)` (align 8):

```llvm
define internal fastcc void @_ZN8set_282617_8fa972e3f9e451983_00E({ i64, i64 }* nocapture, { i64, i64 }* nocapture) #1 {
static_allocas:
  %2 = bitcast { i64, i64 }* %1 to i8*
  %3 = bitcast { i64, i64 }* %0 to i8*
  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %3, i8* %2, i64 16, i32 8, i1 false)
  ret void
}
```
 2013-05-27 15:56:08 -07:00
Seo Sanghyeon
8f80323f09 Remove unnecessary allocations flagged by lint 2013-05-28 03:14:44 +09:00
Daniel Micay
c302010ef0 mark unique pointer parameters as noalias 
Closes #6749
 2013-05-26 14:11:30 -04:00
Daniel Micay
58d6864ad7 add an align parameter to call_memcpy 2013-05-26 10:26:04 -04:00
Daniel Micay
d9c0f0f188 add memset32/memset64 2013-05-26 10:26:03 -04:00
Daniel Micay
cf8e9f9aec make the memcpy/memmove intrinsics higher-level 
This allows them to make use of the type's alignment, instead of being
pessimistic and assuming it is only 1.
 2013-05-26 10:26:03 -04:00
James Miller
2c2346e3d4 Mark &mut parameters as noalias 2013-05-26 17:40:07 +12:00