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1120 Commits

Author SHA1 Message Date
Vytautas Astrauskas
b04bf8a514 Rustfmt the test. 2020-04-27 14:23:32 -07:00
Vytautas Astrauskas
aef4c95599 Fix the problem of sending pointed to thread local statics. Add a regression test. 2020-04-27 14:23:32 -07:00
Vytautas Astrauskas
92946b5a9c Add a test for thread locals. 2020-04-27 14:23:32 -07:00
Vytautas Astrauskas
82f17ab917 Implement basic support for concurrency (Linux only). 2020-04-27 14:23:32 -07:00
bors
e06df3a881 Auto merge of #1373 - RalfJung:test-rename, r=RalfJung 
rename tests: undefined -> uninit
 2020-04-27 10:54:57 +00:00
bors
4556daadc2 Auto merge of #1370 - samrat:add-scalar-size-test, r=RalfJung 
Add test to verify that argument size mismatch throws UB

Also, bump up `rust-version`

Closes #1355
 2020-04-27 10:33:29 +00:00
Ralf Jung
a5ddaa07eb rename tests: undefined -> uninit 2020-04-27 12:32:03 +02:00
Samrat Man Singh
73f258c451 Replace error-pattern with annotation; remove unreachable line 2020-04-27 15:34:42 +05:30
bors
da940eb91f Auto merge of #1354 - divergentdave:dump-alloc-on-undef-read, r=RalfJung 
Print hex dump of alloc on reading undef bytes

Here's a small addition I made locally to the UB diagnostics, in case you're interested in it. This PR calls `dump_alloc()` on the relevant allocation if Miri fails on UB due to reading undefined bytes. This came in handy when diagnosing such an issue in a large program using unsafe Rust, in part because it wasn't deterministic enough to use `-Zmiri-track-alloc-id=`. If you'd like to put this behind another -Z flag, let me know.
 2020-04-27 09:33:30 +00:00
Samrat Man Singh
ae9796b9d8 Fix shim_arg_size test for 32-bit machines 2020-04-27 10:00:35 +05:30
Samrat Man Singh
da86c81e39 Add test to verify arg size mismatch throws UB 
Also: bump up `rust-version`
 2020-04-27 09:37:31 +05:30
Ralf Jung
c46668c556 fix exit code on rustc errors 2020-04-25 11:12:50 +02:00
David Cook
7f92eab3c4 Add test to exercise InvalidUndefBytes 2020-04-23 20:00:25 -05:00
Ralf Jung
a5eaa5703c test suite: rely on CARGO_BIN_EXE_ env vars to find Miri binary 2020-04-23 19:20:09 +02:00
bors
26baf87e43 Auto merge of #1348 - RalfJung:raw-addr-of-align, r=RalfJung 
Stacked Borrows: alignment does not matter

Fixes https://github.com/rust-lang/miri/issues/1339
Requires https://github.com/rust-lang/rust/pull/71280
 2020-04-22 21:44:14 +00:00
Ralf Jung
270adbc7c6 Stacked Borrows: alignment does not matter 2020-04-22 23:32:19 +02:00
David Cook
54897f66f8 Implement ftruncate64/ftruncate for File::set_len 2020-04-21 21:17:54 -05:00
bors
8d9db57a0d Auto merge of #1335 - vakaras:add-threads-noop, r=RalfJung 
Move the stack to the evaluator. (no-op PR for 70598)

The changes to Miri to make it to compile with Rustc PR https://github.com/rust-lang/rust/pull/70598.
 2020-04-20 08:39:29 +00:00
Ralf Jung
73772fede6 adjust for Weak::as_raw -> as_ptr rename 2020-04-20 10:04:17 +02:00
bors
763782aa08 Auto merge of #1342 - divergentdave:pause-instruction, r=RalfJung 
Handle std::sync::atomic::spin_loop_hint()

This PR adds support for `std::sync::atomic::spin_loop_hint()` by implementing the `llvm.x86.sse2.pause` intrinsic when the target is x86-based. It appears this is the first LLVM intrinsic in foreign_items, so I added a couple match blocks to handle it or fall through to the different OS-specific methods. I added a basic smoke test to `tests/run-pass/sync.rs`. I came across this by way of `crossbeam::utils::Backoff::spin()`, FWIW.
 2020-04-19 14:53:02 +00:00
Ralf Jung
70c828b761 test some more extreme cast cases 2020-04-19 09:34:54 +02:00
Ralf Jung
fbf47d1784 note source of test values 2020-04-19 09:21:00 +02:00
David Cook
7b69a6271e Add support for std:🧵:yield_now 2020-04-18 19:31:02 -05:00
Ralf Jung
699685c07c rename test_cast -> test_both_cast to make purpose clearer 2020-04-18 13:07:50 +02:00
bors
45113eb6a4 Auto merge of #1325 - RalfJung:float_to_int_unchecked, r=RalfJung 
implement float_to_int_unchecked

@hanna-kruppe would be great if you could have a look at this.

`float.rs` tests legal casts. `test_cast` checks that both `as` casts and unchecked casts work (i.e., these are not saturating). The `compile-fail` tests should ensure that illegal casts via the intrinsic are detected as such.

Fixes https://github.com/rust-lang/miri/issues/1264
 2020-04-18 08:13:24 +00:00
Ralf Jung
bb38ab4340 use u128::MAX symbolic name 2020-04-18 10:11:45 +02:00
Ralf Jung
0345ee42da some UB gets masked by optimizations 2020-04-18 09:15:59 +02:00
Ralf Jung
c6ab27577b test that we check dynamic actual size of object 2020-04-18 02:06:36 +02:00
Ralf Jung
521e77d712 test that we properly check dynamic alignment 2020-04-17 20:43:54 +02:00
Ralf Jung
6a81014ae9 test #[derive] on packed struct 2020-04-17 11:04:48 +02:00
David Cook
57c7119315 Handle std::sync::atomic::spin_loop_hint() 2020-04-16 23:24:57 -05:00
Ralf Jung
3e3613f2e2 merge packed_static and packed_struct 2020-04-16 09:33:22 +02:00
Ralf Jung
974f9c3023 avoid test-wide allowance of unused/dead code 2020-04-16 09:25:12 +02:00
Ralf Jung
b0fe99e81d consolidate ptr tests in fewer files 2020-04-16 09:06:21 +02:00
Ralf Jung
07c696e27e test some so-far untested intrinsics 2020-04-15 18:00:16 +02:00
Ralf Jung
a85dab42ea tighten Instance sanity check 2020-04-15 13:13:17 +02:00
bors
669191bca9 Auto merge of #1331 - samrat:macos-mach-timebase-info, r=RalfJung 
Implement `mach_timebase_info` for macOS

Since we return nanoseceonds instead of ticks from `mach_absolute_time`, we don't need to scale the absolute time

Fixes #1288
 2020-04-14 09:30:22 +00:00
Ralf Jung
e6822d60b3 make sure we find some things without validation or stacked borrows, respectively 2020-04-14 10:23:47 +02:00
Ralf Jung
179e78d0ad make sure our disable flags do not miss all bugs; move type-assert intrinsic tests to their folder 2020-04-14 10:23:47 +02:00
Ralf Jung
f4a15444cf fix comment in alignment test 2020-04-14 09:50:20 +02:00
Samrat Man Singh
f6bb8111f2 Use pre-defined u32 layout 
Also fix typo and remove newline
 2020-04-14 09:40:40 +05:30
Ralf Jung
fd8beaf5c4 add option to disable alignment checks 2020-04-13 17:58:03 +02:00
Samrat Man Singh
5f6d250b30 [macOS] Implement mach_timebase_info 
Since we return nanoseceonds instead of ticks from
`mach_absolute_time`, we don't need to scale the absolute time
 2020-04-13 21:18:34 +05:30
Ralf Jung
17c52d47e7 add tests for invalid float-to-int casts 2020-04-12 12:01:20 +02:00
Ralf Jung
25c71e5c0e test some more corner cases in happy float casts 2020-04-12 12:01:20 +02:00
Ralf Jung
30d07c8616 move error-pattern to inline annotation where possible 2020-04-12 12:01:20 +02:00
Ralf Jung
78ce616490 implement float_to_int_unchecked 2020-04-12 12:01:20 +02:00
Ralf Jung
8d1f5336c2 also test unsafe cast intrinsic (happy cases) 2020-04-12 12:01:20 +02:00
bors
aad2c5af06 Auto merge of #1321 - RalfJung:float, r=RalfJung 
Even more float cast tests

Copy a bunch of float cast tests from https://github.com/WebAssembly/testsuite/blob/master/conversions.wast. I didn't do all of them though, too lazy... maybe we should have a wasm interpreter written in Rust and run that in Miri and use the wasm test suite directly that way? :P
 2020-04-11 18:39:06 +00:00
Ralf Jung
e5e0ced87e smoketest f32 fast-math intrinsics 2020-04-11 11:37:26 +02:00