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118 Commits

Author SHA1 Message Date
Niko Matsakis
152bb314f5 fix bug in shape concerning size of tag variant 2011-11-29 12:51:08 -08:00
Marijn Haverbeke
9fb3719ded Rollback return-by-reference 
It's proving too inflexible, so I'm ripping out the extra complexity
in the hope that regions will, at some point, provide something
similar.

Closes #918
 2011-11-23 11:02:27 +01:00
Marijn Haverbeke
acbc4aa9f8 Remove deep scope traversal in revoke_clean 
It is not needed anymore.
 2011-11-23 11:02:27 +01:00
Marijn Haverbeke
68db68c4cc Make trans use last_use info to not actually generate copies 
Issue #925
 2011-11-18 15:56:53 +01:00
Niko Matsakis
adc79e2f44 remove compile-command from local variable blocks 2011-11-17 11:46:13 -08:00
Niko Matsakis
834b6879ea temp workaround for failure to pass ulonglong successfully 2011-11-16 15:27:09 -08:00
Niko Matsakis
96cdfa11db correct translation of neg. numbers in 64-bit architectures 2011-11-16 15:16:42 -08:00
Haitao Li
5a7249c935 Cleanup unused imports 2011-11-10 19:19:40 -08:00
Niko Matsakis
4bd05e5be2 convert GEP to i32 2011-11-02 14:14:19 -07:00
Niko Matsakis
f1bc9307d8 get things checking on ia32 2011-11-02 14:14:19 -07:00
Niko Matsakis
c0e9c42bd2 thread the context through so that int can be 64 bits on x86_64 2011-11-02 14:14:19 -07:00
Niko Matsakis
2521cda1ec work on making the size of ints depend on the target arch 2011-11-02 14:14:19 -07:00
Niko Matsakis
9146bb09a1 work on making the size of ints depend on the target arch 2011-11-02 14:14:19 -07:00
Marijn Haverbeke
0ce40f60e7 Drop support for iter, put, and for-each 
Closes #1056
 2011-10-21 13:47:24 +02:00
Brian Anderson
9efdd0f326 Merge ast::proto_shared and ast::proto_closure 
Now they are both just proto_shared and proto_shared takes an
argument indicating that it is sugared as 'lambda'
 2011-10-20 18:23:48 -07:00
Brian Anderson
4b30a06abe Rename ast::proto_fn to ast::proto_shared 2011-10-20 18:23:48 -07:00
Brian Anderson
29ad3bdb10 Make fn denote a bare function. Convert fn to fn@ as needed 2011-10-20 18:23:48 -07:00
Brian Anderson
0714bb5f7d Fix the problem with check-fast randomly failing 
Trans has been assuming that tag node id's are unique across crates and they
are not so, depending on which way the wind is blowing, it would choose to use
a crate-local tag variant instead of the correct one from std.

No test case since I can't come up with a reliable one that compiles in a
reasonable amount of time.
 2011-10-20 15:38:51 -07:00
Marijn Haverbeke
ef63f09dcd Don't rely on main.ll anymore 
I'll remove the actual file after I register a snapshot.

Issue #992
 2011-10-20 17:18:38 +02:00
Marijn Haverbeke
8124846b2c Get rid of taskpointer-passing throughout the compiler 
Only intrinsics still take a dummy taskptr. We'll have to do some
makefile stunts to snapshot a version without taskptrs-in-intrinsics.

Issue #466
 2011-10-20 14:22:17 +02:00
Niko Matsakis
e8a0e592da reimplement some of the unsafe stuff which got lost 
- blocks inherit unsafety
  - remove the --check-unsafe flag
  - add unsafe annotations where needed to get things to compile
 2011-10-12 16:33:07 -07:00
Niko Matsakis
d4d7eb069b add unsafe tags into various points in the translation chains 
and so forth
 2011-10-12 16:33:06 -07:00
Niko Matsakis
c1cefa52d0 Add unsafe tags to usage of LLVM funcs 2011-10-12 16:33:06 -07:00
Marijn Haverbeke
5c53959f20 Make bcx_tcx-style accessors return by reference 2011-10-10 12:25:58 +02:00
Marijn Haverbeke
a35dbf3fd5 Don't spill immediates in order to drop them 
Issue #1012
 2011-10-10 12:20:28 +02:00
Marijn Haverbeke
c7eee8fb05 Stop registering cleanups for types that don't need them 2011-10-07 14:46:23 +02:00
Marijn Haverbeke
31586339b1 Make it possible to have locals that don't live on the stack 
Local values that are not mutated, don't need to be cleaned up, and
are immediate, don't need to be spilled. (All immediate args, and
non-pointer immediate let locals.)
 2011-10-07 14:43:19 +02:00
Brian Anderson
15e34deba3 Eliminate glue.o. Closes #990 2011-09-28 15:35:21 -07:00
Marijn Haverbeke
94db38a530 Move expr_unary to DPS style 
Issue #667
 2011-09-27 17:31:15 +02:00
Marijn Haverbeke
8c0918ac18 Construct records and tuples in-place 
Issue #667

Now, {a: {b: 10, c: 20}, d: @30} will simply write the values in the right
places, rather than creating intermediary records and then memmoving them.
Cuts about a megabyte off the unoptimized compiler size.
 2011-09-26 22:13:08 +02:00
Jesse Ruderman
3b5b29c7ec Reduce and clarify abuse of 'pure' in interner 2011-09-24 16:33:26 -07:00
Marijn Haverbeke
0bbde048a4 Make sure no dynamic allocas are used before they are allocated 
Closes #965
 2011-09-23 11:11:37 +02:00
Marijn Haverbeke
420484579d Better handling of unreachable code in trans 
The builder functions in trans_build now look at an 'unreachable' flag
in the block context and don't generate code (returning undefined
placeholder values) when this flag is set. Threading the unreachable
flag through context still requires some care, but this seems a more
sane approach than re-checking for terminated blocks throughout the
compiler.

When creating a block, if you use its closest dominator as parent, the
flag will be automatically passed through. If you can't do that,
because the dominator is a scope block that you're trying to get out
of, you'll have to do something like this to explicitly pass on the
flag:

    if bcx.unreachable { Unreachable(next_cx); }

Closes #949. Closes #946. Closes #942. Closes #895. Closes #894.
Closes #892. Closes #957. Closes #958.
 2011-09-23 11:09:57 +02:00
Patrick Walton
e372f943e2 rustc: Write raw type parameters instead of linearized type parameters in object body shapes 2011-09-22 16:13:03 -07:00
Brian Anderson
42fd2a9d89 Remove unused arg from revoke_clean 2011-09-21 15:39:46 -07:00
Brian Anderson
2cc01e2ca2 Add ability to deref unique boxes. Make unique boxes immediates. 
Issue #409
 2011-09-21 14:40:55 -07:00
Marijn Haverbeke
eafb6789a2 Stop creating function pairs for static functions 
These are now called directly. When taking their value, a null pointer is added
to create a pair.
 2011-09-18 22:05:58 +02:00
Tim Chevalier
2b98eccfee Add a type_is_tup_like predicate that takes a block ctxt, and make some fns pure 2011-09-17 10:18:11 -07:00
Brian Anderson
1002623201 Make move-mode arguments unwind correctly. Closes #939 2011-09-16 14:38:04 -07:00
Tim Chevalier
0d4b51d10d Add a returns_non_ty_var predicate 
which just calls non_ty_var on the return type of t, assuming t is
a function type.
 2011-09-16 13:06:31 -07:00
Tim Chevalier
f41f75fe53 Added more predicates in trans 
Added the non_ty_var predicate (soon to be used)
Added a check in get_res_dtor (will be necessary for a future change
to type_of_fn)
Removed a gratuitous ret
 2011-09-15 20:23:06 -07:00
Brian Anderson
31d4fe37f6 Revert "Try a little harder to avoid creating new landing pads" 
This reverts commit b8e31ac46917edcf5922f0b191c5e6c4505830d2.

Conflicts:

	src/comp/middle/trans.rs
 2011-09-14 09:19:31 -07:00
Marijn Haverbeke
93d2a4f82a Add support for basic return-by-alias to trans 
Issue #918
 2011-09-14 14:39:08 +02:00
Marijn Haverbeke
6cd24173d4 Add a ret_style field to fn_ctxt in trans 2011-09-14 13:48:51 +02:00
Brian Anderson
b8e31ac469 Try a little harder to avoid creating new landing pads 
It's only when we add or revoke cleanups involving immediates that we need a
new landing pad for the scope.

Trims 5K off the optimized rustc bin
 2011-09-13 16:52:12 -07:00
Brian Anderson
74c39469be Reuse landing pads when possible 
Cuts the optimized rustc bin from 5.2 to 4.7MB
 2011-09-13 16:52:12 -07:00
Graydon Hoare
a4815b6742 Factor imports mindlessly. 2011-09-12 16:13:28 -07:00
Marijn Haverbeke
fc6b7c8b38 Reformat for new mode syntax, step 1 
Long lines were fixed in a very crude way, as I'll be following up
with another reformat in a bit.
 2011-09-12 12:04:14 +02:00
Marijn Haverbeke
0e6e56ca60 Make the names of the arg mode tag reflect their (revised) meaning 2011-09-12 11:07:17 +02:00
Marijn Haverbeke
4be7e1e5cd Pass all arguments by reference, make immut alias mode equiv to value 
Arguments that can't be safely referenced will be implicitly copied.

(Warnings for expensive copies will be forthcoming.)

This will allow us to get rid of most of the ampersands in function
signatures. See [1].

[1] https://mail.mozilla.org/pipermail/rust-dev/2011-September/000759.html
 2011-09-12 11:06:54 +02:00