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731 commits

Author SHA1 Message Date
Alexander Regueiro
13931762e9 Loosened rules involving statics mentioning other statics. 
Updated tests accordingly.
 2018-06-30 23:52:33 +01:00
Oliver Schneider
4d473300a2 Turn the use of erroneous constants into errors again 2018-06-28 11:04:26 +02:00
Oliver Schneider
4eea1a4e5e Don't const propagate the body of constants 2018-06-28 11:04:25 +02:00
Oliver Schneider
4bb9648b27 Merge ConstVal and ConstValue 2018-06-28 11:04:25 +02:00
Oliver Schneider
05994779ea Move everything over from middle::const_val to mir::interpret 2018-06-28 11:02:31 +02:00
Oliver Schneider
6005b0ad2f Move the Lrc outside the error type and name the fields 2018-06-28 11:01:35 +02:00
Oliver Schneider
6f8fe4eaef Eliminate old CTFE's ErrKind 2018-06-28 11:01:35 +02:00
Without Boats
18ff7d091a Parse async fn header. 
This is gated on edition 2018 & the `async_await` feature gate.

The parser will accept `async fn` and `async unsafe fn` as fn
items. Along the same lines as `const fn`, only `async unsafe fn`
is permitted, not `unsafe async fn`.The parser will not accept
`async` functions as trait methods.

To do a little code clean up, four fields of the function type
struct have been merged into the new `FnHeader` struct: constness,
asyncness, unsafety, and ABI.

Also, a small bug in HIR printing is fixed: it previously printed
`const unsafe fn` as `unsafe const fn`, which is grammatically
incorrect.
 2018-06-21 22:29:47 -07:00
Felix S. Klock II
cac61267a7 Thread info about form of variable bindings, including spans of arg types, down into mir::LocalDecls. 
As a drive-by: the ref_for_guards created by `fn declare_binding`
should not have been tagged as user_variables in the first
place. These secret internal locals are *pointers* to user variables,
but themselves are not such (IMO. For now at least.)
 2018-06-19 19:38:37 +02:00
Eduard-Mihai Burtescu
5a5c7ded0d rustc: rename ty::maps to ty::query. 2018-06-14 18:05:12 +03:00
Oliver Schneider
8a74be6684 Add source information the const propagation of places 2018-06-05 20:49:47 +02:00
Oliver Schneider
5c0d1355f2 Refactor the const eval diagnostic API 2018-06-05 20:49:46 +02:00
Fabian Zaiser
589f9a87a8 Propagate uses of constants correctly so that array index checks work 2018-06-05 10:35:44 +02:00
bors
c610be92e2 Auto merge of #51307 - oli-obk:miri_fixes, r=eddyb 
ScalarPairs are offset==0 field + other non-zst field

r? @eddyb

fixes #51300
 2018-06-04 23:10:15 +00:00
Oliver Schneider
f7eedfab8e Simplify value field access 2018-06-04 14:50:29 +02:00
Oliver Schneider
9d613c27b7 Do not promote union field accesses 2018-06-03 19:06:31 +02:00
Oliver Schneider
47f37d67f1 Correctly access ScalarPair fields during const eval 2018-06-02 23:34:25 +02:00
Mark Simulacrum
5c374739b6 Specify that packed types must derive, not implement, Copy 2018-06-02 07:24:34 -06:00
Linus Färnstrand
376b6407a8 Make ctpop, cttz, ctlz and bswap const fns 2018-05-31 19:18:42 +02:00
Eduard-Mihai Burtescu
06d88cda08 rustc: rename mir::LocalDecl's syntactic_source_info to source_info. 2018-05-30 20:30:10 +03:00
Eduard-Mihai Burtescu
6c53972478 rustc: turn mir::LocalDecl's visibility_source_info into a SourceScope. 2018-05-30 20:30:10 +03:00
Eduard-Mihai Burtescu
3da186b67f rustc: use syntactic (instead of visibility) source info where appropriate. 2018-05-30 20:30:10 +03:00
Eduard-Mihai Burtescu
0895590c53 rustc: rename mir::LocalDecl's source_info to visibility_source_info. 2018-05-30 20:30:10 +03:00
Eduard-Mihai Burtescu
b10c157bd8 rustc: turn mir::LocalDecl's syntactic_scope into a SourceInfo. 2018-05-30 20:30:10 +03:00
Eduard-Mihai Burtescu
ca1ac6b6fb rustc: rename mir::SourceScopeInfo to mir::SourceScopeLocalData. 2018-05-30 20:30:09 +03:00
Eduard-Mihai Burtescu
85d44c4276 rustc: rename mir::VisibilityScope to mir::SourceScope. 2018-05-30 20:30:09 +03:00
Felix S. Klock II
24abe6f363 rust-lang/rust#27282: Add StatementKind::ReadForMatch to MIR. 
(This is just the data structure changes and some boilerplate match
code that followed from it; the actual emission of these statements
comes in a follow-up commit.)
 2018-05-29 23:01:36 +02:00
bors
990d8aa743 Auto merge of #50967 - oli-obk:miri_api_refactor, r=eddyb 
Miri api refactor

r? @eddyb

cc @Zoxc

based on https://github.com/rust-lang/rust/pull/50916
 2018-05-25 13:59:48 +00:00
Oliver Schneider
cc60a22b10 Get rid of scalar_size 2018-05-24 20:49:37 +02:00
Oliver Schneider
f82256e473 primval -> scalar rename 2018-05-24 20:49:37 +02:00
Oliver Schneider
64a75ecc80 change Value::Bytes to Value::Bits 2018-05-24 20:49:37 +02:00
Oliver Schneider
ef2177cffc Rename ByVal(Pair) to Scalar(Pair) 2018-05-24 20:47:35 +02:00
Oliver Schneider
1606e137e7 Rename PrimVal to Scalar 2018-05-24 20:47:35 +02:00
Oliver Schneider
a11f7856f4 Always mark unstable const fn as not const 2018-05-24 17:22:31 +02:00
Oliver Schneider
383a5df58c Enforce stability of const fn in promoteds 2018-05-24 17:22:31 +02:00
Oliver Schneider
2483c81217
Deduplicate match arms 2018-05-22 13:56:37 +02:00
Oliver Schneider
8a5eb68958
Report let bindings and statements as unstable 2018-05-22 10:54:05 +02:00
Oliver Schneider
d7bf358dbd
Be more explicit about what's skipped 2018-05-22 10:54:05 +02:00
Oliver Schneider
9872160836
Allow let bindings in const fn and constants 2018-05-22 10:54:05 +02:00
Eduard-Mihai Burtescu
7e4d8718cb rustc: use intern_* instead of mk_* where possible. 2018-05-21 12:13:19 +03:00
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
Irina Popa
b63d7e2b1c Rename trans to codegen everywhere. 2018-05-17 15:08:30 +03:00
Eduard-Mihai Burtescu
d1f117df0f rustc_mir: allow promotion of promotable temps indexed at runtime. 2018-05-16 15:40:54 +03:00
est31
11f5893610 label-break-value: Parsing and AST/HIR changes 2018-05-16 13:56:24 +02:00
Eduard-Mihai Burtescu
22275f46b2 rustc_mir: focus const-checking logic on whether mutation is forbidden. 2018-05-16 14:19:47 +03:00
Eduard-Mihai Burtescu
4fec5ef81a rustc_mir: promote borrows' underlying temps, and project at runtime. 2018-05-16 14:11:02 +03:00
Eduard-Mihai Burtescu
d79dee0b62 rustc_mir: also promote interior borrows, not just whole temps. 2018-05-16 14:11:01 +03:00
Eduard-Mihai Burtescu
b9af400a46 rustc_mir: generate an extra temporary during borrowed rvalue promotion. 2018-05-16 14:11:01 +03:00
varkor
fd8e284a20 Rename param_counts to own_counts 2018-05-15 14:21:32 +01:00
varkor
7b45a892a4 Use GenericParamCount instead of FxHashMap 2018-05-15 14:21:31 +01:00