summary refs log tree commit diff
path: root/src/test/incremental/hashes/function_interfaces.rs
blob: 2fe3f0d5d1fe03911aaa08cd7e87874665c89ffc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.


// This test case tests the incremental compilation hash (ICH) implementation
// for function interfaces.

// The general pattern followed here is: Change one thing between rev1 and rev2
// and make sure that the hash has changed, then change nothing between rev2 and
// rev3 and make sure that the hash has not changed.

// must-compile-successfully
// revisions: cfail1 cfail2 cfail3
// compile-flags: -Z query-dep-graph


#![allow(warnings)]
#![feature(conservative_impl_trait)]
#![feature(intrinsics)]
#![feature(linkage)]
#![feature(rustc_attrs)]
#![crate_type="rlib"]


// Add Parameter ---------------------------------------------------------------

#[cfg(cfail1)]
fn add_parameter() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
fn add_parameter(p: i32) {}


// Add Return Type -------------------------------------------------------------

#[cfg(cfail1)]
fn add_return_type() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_clean(cfg="cfail2")] // The type doesn't change, so metadata is the same
#[rustc_metadata_clean(cfg="cfail3")]
fn add_return_type() -> () {}


// Change Parameter Type -------------------------------------------------------

#[cfg(cfail1)]
fn type_of_parameter(p: i32) {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
fn type_of_parameter(p: i64) {}


// Change Parameter Type Reference ---------------------------------------------

#[cfg(cfail1)]
fn type_of_parameter_ref(p: &i32) {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
fn type_of_parameter_ref(p: &mut i32) {}


// Change Parameter Order ------------------------------------------------------

#[cfg(cfail1)]
fn order_of_parameters(p1: i32, p2: i64) {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
fn order_of_parameters(p2: i64, p1: i32) {}


// Unsafe ----------------------------------------------------------------------

#[cfg(cfail1)]
fn make_unsafe() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
unsafe fn make_unsafe() {}


// Extern ----------------------------------------------------------------------

#[cfg(cfail1)]
fn make_extern() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
extern fn make_extern() {}


// Extern C Extern Rust-Intrinsic ----------------------------------------------

#[cfg(cfail1)]
extern "C" fn make_intrinsic() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
extern "rust-intrinsic" fn make_intrinsic() {}


// Type Parameter --------------------------------------------------------------

#[cfg(cfail1)]
fn type_parameter() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
fn type_parameter<T>() {}


// Lifetime Parameter ----------------------------------------------------------

#[cfg(cfail1)]
fn lifetime_parameter() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
// #[rustc_metadata_dirty(cfg="cfail2")] -- Unused lifetime params don't show up in the type?
#[rustc_metadata_clean(cfg="cfail3")]
fn lifetime_parameter<'a>() {}


// Trait Bound -----------------------------------------------------------------

#[cfg(cfail1)]
fn trait_bound<T>() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
fn trait_bound<T: Eq>() {}


// Builtin Bound ---------------------------------------------------------------

#[cfg(cfail1)]
fn builtin_bound<T>() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
fn builtin_bound<T: Send>() {}


// Lifetime Bound --------------------------------------------------------------

#[cfg(cfail1)]
fn lifetime_bound<'a, T>() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
fn lifetime_bound<'a, T: 'a>() {}


// Second Trait Bound ----------------------------------------------------------

#[cfg(cfail1)]
fn second_trait_bound<T: Eq>() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
fn second_trait_bound<T: Eq + Clone>() {}


// Second Builtin Bound --------------------------------------------------------

#[cfg(cfail1)]
fn second_builtin_bound<T: Send>() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
fn second_builtin_bound<T: Send + Sized>() {}


// Second Lifetime Bound -------------------------------------------------------

#[cfg(cfail1)]
fn second_lifetime_bound<'a, 'b, T: 'a>() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
fn second_lifetime_bound<'a, 'b, T: 'a + 'b>() {}


// Inline ----------------------------------------------------------------------

#[cfg(cfail1)]
fn inline() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
#[inline]
fn inline() {}


// Inline Never ----------------------------------------------------------------

#[cfg(cfail1)]
#[inline(always)]
fn inline_never() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
#[inline(never)]
fn inline_never() {}


// No Mangle -------------------------------------------------------------------

#[cfg(cfail1)]
fn no_mangle() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
#[no_mangle]
fn no_mangle() {}


// Linkage ---------------------------------------------------------------------

#[cfg(cfail1)]
fn linkage() {}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
#[linkage="weak_odr"]
fn linkage() {}


// Return Impl Trait -----------------------------------------------------------

#[cfg(cfail1)]
fn return_impl_trait() -> i32 {
    0
}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
fn return_impl_trait() -> impl Clone {
    0
}


// Change Return Impl Trait ----------------------------------------------------

#[cfg(cfail1)]
fn change_return_impl_trait() -> impl Clone {
    0u32
}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_clean(cfg="cfail2")] // The actual type is the same, so: clean
#[rustc_metadata_clean(cfg="cfail3")]
fn change_return_impl_trait() -> impl Copy {
    0u32
}


// Change Return Type Indirectly -----------------------------------------------

struct ReferencedType1;
struct ReferencedType2;

mod change_return_type_indirectly {
    #[cfg(cfail1)]
    use super::ReferencedType1 as ReturnType;
    #[cfg(not(cfail1))]
    use super::ReferencedType2 as ReturnType;

    #[rustc_dirty(label="Hir", cfg="cfail2")]
    #[rustc_clean(label="Hir", cfg="cfail3")]
    #[rustc_metadata_dirty(cfg="cfail2")]
    #[rustc_metadata_clean(cfg="cfail3")]
    fn indirect_return_type() -> ReturnType {
        ReturnType {}
    }
}


// Change Parameter Type Indirectly --------------------------------------------

mod change_parameter_type_indirectly {
    #[cfg(cfail1)]
    use super::ReferencedType1 as ParameterType;
    #[cfg(not(cfail1))]
    use super::ReferencedType2 as ParameterType;

    #[rustc_dirty(label="Hir", cfg="cfail2")]
    #[rustc_clean(label="Hir", cfg="cfail3")]
    #[rustc_metadata_dirty(cfg="cfail2")]
    #[rustc_metadata_clean(cfg="cfail3")]
    fn indirect_parameter_type(p: ParameterType) {}
}


// Change Trait Bound Indirectly -----------------------------------------------

trait ReferencedTrait1 {}
trait ReferencedTrait2 {}

mod change_trait_bound_indirectly {
    #[cfg(cfail1)]
    use super::ReferencedTrait1 as Trait;
    #[cfg(not(cfail1))]
    use super::ReferencedTrait2 as Trait;

    #[rustc_dirty(label="Hir", cfg="cfail2")]
    #[rustc_clean(label="Hir", cfg="cfail3")]
    #[rustc_metadata_dirty(cfg="cfail2")]
    #[rustc_metadata_clean(cfg="cfail3")]
    fn indirect_trait_bound<T: Trait>(p: T) {}
}


// Change Trait Bound Indirectly In Where Clause -------------------------------

mod change_trait_bound_indirectly_in_where_clause {
    #[cfg(cfail1)]
    use super::ReferencedTrait1 as Trait;
    #[cfg(not(cfail1))]
    use super::ReferencedTrait2 as Trait;

    #[rustc_dirty(label="Hir", cfg="cfail2")]
    #[rustc_clean(label="Hir", cfg="cfail3")]
    #[rustc_metadata_dirty(cfg="cfail2")]
    #[rustc_metadata_clean(cfg="cfail3")]
    fn indirect_trait_bound_where<T>(p: T) where T: Trait {}
}