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251 Commits

Author SHA1 Message Date
Andrew Cann
9b15ddb29e remove defaulting to unit 
Types will no longer default to `()`, instead always defaulting to `!`.
This disables the associated warning and removes the flag from TyTuple
 2018-03-14 12:44:51 +08:00
Niko Matsakis
6288faa3a3 trans_apply_param_substs => subst_and_normalize_erasing_regions 
Consolidate `trans_apply_param_substs` and
`trans_apply_param_substs_env`. Also remove `trans_impl_self_ty`
 2018-03-13 11:22:08 -04:00
Niko Matsakis
e4728e494e transition various normalization functions to the new methods 
In particular:

- `fully_normalize_monormophic_ty` => `normalize_erasing_regions`
- `normalize_associated_type_in_env` => `normalize_erasing_regions`
- `fully_normalize_associated_types_in` => `normalize_erasing_regions`
- `erase_late_bound_regions_and_normalize` => `normalize_erasing_late_bound_regions`
 2018-03-13 11:22:07 -04:00
Oliver Schneider
9857eaa4df
Nuke ConstInt and Const*size 2018-03-08 08:34:10 +01:00
Oliver Schneider
918b6d7633
Produce instead of pointers 2018-03-08 08:08:14 +01:00
Michael Woerister
e5ee01143b Rename exported_symbol_ids query to something more explicit and document what it is doing. 2018-03-06 09:47:43 +01:00
Michael Woerister
d5ed655a08 Use DefId instead of NodeId while generating debuginfo for statics. 2018-02-19 12:41:10 +01:00
Alex Crichton
4856f07bb5 Rollup merge of #47618 - mrhota:dw_at_noreturn, r=michaelwoerister 
Teach rustc about DW_AT_noreturn and a few more DIFlags

We achieve two small things with this PR:
1. We provide definitions for a few additional llvm debuginfo flags
1. We _use_ one of these new flags, `FlagNoReturn`, and add it to debuginfo for functions with the never return type (`!`).
 2018-01-25 13:49:46 -08:00
John Kåre Alsaker
ccf0d8399e Adds support for immovable generators. Move checking of invalid borrows across suspension points to borrowck. Fixes #44197, #45259 and #45093. 2018-01-23 05:10:38 +01:00
A.J. Gardner
7188706c4f Teach rustc about DW_AT_noreturn and a few more DIFlags 2018-01-20 18:34:53 -06:00
Eduard-Mihai Burtescu
4e40a0d436 rustc_trans: rename mircx: MirContext to fx: FunctionCx. 2018-01-14 08:56:44 +02:00
Eduard-Mihai Burtescu
209abc71e5 rustc_trans: rename bcx to bx. 2018-01-14 08:56:44 +02:00
Eduard-Mihai Burtescu
e69dacb431 rustc_trans: rename ccx to cx. 2018-01-14 08:56:44 +02:00
Eduard-Mihai Burtescu
fb7de6a041 rustc_trans: rename CrateContext to CodegenCx. 2018-01-14 08:55:57 +02:00
Eduard-Mihai Burtescu
2931af62f0 rustc_trans: access fields directly on CrateContext. 2018-01-14 08:55:43 +02:00
Eduard-Mihai Burtescu
d0d13204a6 rustc_trans: collapse {Local,Shared}CrateContext. 2018-01-14 08:52:16 +02:00
Robin Kruppe
cf3fefe97f rustc::ty: Rename struct_variant to non_enum_variant 
It is also intended for use with unions.
 2018-01-08 00:28:05 +01:00
m4b
990a5cc1e5 dwarf: set dwarf linkage_name for fns and statics to its mangled symbol name 2017-12-20 21:28:10 -08:00
bors
df8dfdeff6 Auto merge of #46457 - m4b:no_mangle_static, r=michaelwoerister 
Don't set the linkage_name for static variables

For `no_mangle` statics:

1. Linkage_name no longer set
2. The static variable also no longer has a dwarf namespace scope

This matches C++ output, which does not set the linkage_name and is not scoped:

e.g. c++:

```
0x000000b6:   DW_TAG_base_type [8]
                DW_AT_name [DW_FORM_strp]       ( .debug_str[0x00000077] = "long int")
                DW_AT_encoding [DW_FORM_data1]  (DW_ATE_signed)
                DW_AT_byte_size [DW_FORM_data1] (0x08)

0x000000bd:   DW_TAG_variable [9]
                DW_AT_name [DW_FORM_strp]       ( .debug_str[0x00000053] = "TEST")
                DW_AT_type [DW_FORM_ref4]       (cu + 0x0048 => {0x00000048})
                DW_AT_external [DW_FORM_flag_present]   (true)
                DW_AT_decl_file [DW_FORM_data1] ("/home/m4b/tmp/bad_debug/test.cpp")
                DW_AT_decl_line [DW_FORM_data1] (14)
                DW_AT_location [DW_FORM_exprloc]        (<0x9> 03 40 10 20 00 00 00 00 00 )

0x000000d2:   DW_TAG_namespace [2] *
                DW_AT_name [DW_FORM_strp]       ( .debug_str[0x0000009d] = "std")

```

and (now) Rust:

```
0x0000002a:   DW_TAG_variable [2]
                DW_AT_name [DW_FORM_strp]       ( .debug_str[0x00000046] = "TEST")
                DW_AT_type [DW_FORM_ref4]       (cu + 0x0045 => {0x00000045})
                DW_AT_external [DW_FORM_flag_present]   (true)
                DW_AT_decl_file [DW_FORM_data1] ("/tmp/test.rs")
                DW_AT_decl_line [DW_FORM_data1] (8)
                DW_AT_alignment [DW_FORM_udata] (1)
                DW_AT_location [DW_FORM_exprloc]        (<0x9> 03 c0 4d 06 00 00 00 00 00 )

0x00000040:   DW_TAG_namespace [3] *
                DW_AT_name [DW_FORM_strp]       ( .debug_str[0x0000004b] = "test")
```
 2017-12-20 12:03:25 +00:00
m4b
500dc14b21 dwarf: do not set linkage_name for no mangle statics, and do not have a scope. ref #33172 2017-12-19 21:18:24 -08:00
Ariel Ben-Yehuda
f6fcfa3915 normalize the results of tcx.type_of after substituting 
Also remove `def_ty`, which was a footgun because it did not do the
above.
 2017-12-18 17:08:50 +02:00
Maik Klein
116e43f73b Prefer type_of().substs over instance::ty() 2017-12-18 17:08:49 +02:00
Maik Klein
1df6f8321b Remove duplicated functions from trans::common.rs 2017-12-18 17:08:49 +02:00
Oliver Schneider
d732da813b
Use PathBuf instead of String where applicable 2017-12-14 11:22:08 +01:00
Eduard-Mihai Burtescu
8437d7c0f1 rustc: extend the niche-filling enum optimization past 2 variants. 2017-11-19 02:43:56 +02:00
Eduard-Mihai Burtescu
ced5e04e8b rustc: optimize out uninhabited types and variants. 2017-11-19 02:14:33 +02:00
Eduard-Mihai Burtescu
f62e43da28 rustc: track validity ranges for layout::Abi::Scalar values. 2017-11-19 02:14:33 +02:00
Eduard-Mihai Burtescu
b203a26efb rustc: generalize layout::Variants::NicheFilling to niches other than 0. 2017-11-19 02:14:33 +02:00
Eduard-Mihai Burtescu
018323ffc2 rustc: collapse the remains of Layout into Variants (enums vs everything else). 2017-11-19 02:14:32 +02:00
Eduard-Mihai Burtescu
b28f668e26 rustc: move size, align & primitive_align from Abi::Aggregate to layout. 2017-11-19 02:14:32 +02:00
Eduard-Mihai Burtescu
b723af284a rustc_trans: go through layouts uniformly for fat pointers and variants. 2017-11-19 02:14:32 +02:00
Eduard-Mihai Burtescu
1477119344 rustc_trans: keep a layout instead of a type in {Lvalue,Operand}Ref. 2017-11-19 02:14:32 +02:00
Eduard-Mihai Burtescu
b2d52d2132 rustc: do not pub use Layout::* in layout. 2017-11-19 02:14:31 +02:00
Eduard-Mihai Burtescu
18d54aa7d5 rustc: move layout::Struct into FieldPlacement/Abi. 2017-11-19 02:14:31 +02:00
Eduard-Mihai Burtescu
08f9f134fd rustc: hide details in Layout in favor of Abi or FieldPlacement. 2017-11-19 02:14:31 +02:00
Eduard-Mihai Burtescu
ed788a62f6 rustc: store CachedLayout for each variant of enum Layout's instead of Struct. 2017-11-19 02:14:31 +02:00
Eduard-Mihai Burtescu
bd51a2bc19 rustc: move size/alignment from Layout into layout::Abi. 2017-11-19 02:14:31 +02:00
Eduard-Mihai Burtescu
bd86f3739e rustc: make Layout::NullablePointer a lot more like Layout::General. 2017-11-19 02:14:30 +02:00
Eduard-Mihai Burtescu
33a205b56f rustc: collapse Layout::CEnum into Layout::General. 2017-11-19 02:14:30 +02:00
Eduard-Mihai Burtescu
d318b9c27b rustc: move CEnum's signedness into Primitive::Int. 2017-11-19 02:14:30 +02:00
Eduard-Mihai Burtescu
61c2bd9ca4 rustc: use Primitive instead of Integer for CEnum and General discriminants. 2017-11-19 02:14:30 +02:00
Eduard-Mihai Burtescu
02276e9f49 rustc: collapse Layout::{Raw,StructWrapped}NullablePointer into one variant. 2017-11-19 02:14:30 +02:00
Eduard-Mihai Burtescu
9a0efea4c2 rustc: pre-compute field placements out of Layout. 2017-11-19 02:14:29 +02:00
Eduard-Mihai Burtescu
8c4d5af52b rustc: remove Ty::layout and move everything to layout_of. 2017-11-19 02:14:29 +02:00
Eduard-Mihai Burtescu
8864668d53 rustc: re-complicate the TyLayout API and use better names. 2017-11-19 02:14:29 +02:00
Eduard-Mihai Burtescu
aa811d728a rustc: remove source field path from Layout::StructWrappedNullablePointer. 2017-11-19 02:14:29 +02:00
Eduard-Mihai Burtescu
50a3fd0097 rustc: remove useless 0 prefix from Layout::StructWrappedNullablePointer's discrfield. 2017-11-19 02:14:29 +02:00
Eduard-Mihai Burtescu
44eef7c9ac rustc: do not inject discriminant fields into Layout::General's variants. 2017-11-19 02:14:28 +02:00
Eduard-Mihai Burtescu
5b1fdaeb80 rustc_trans: use more of the trans::mir and ty::layout APIs throughout. 2017-11-19 02:14:28 +02:00
Eduard-Mihai Burtescu
f44b099187 rustc_trans: avoid working with sizes/offsets and alignments as integers. 2017-11-19 02:14:24 +02:00