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| author | Teddy_Wang <wangtheo662@gmail.com> | 2020-07-13 00:47:09 -0400 |
|---|---|---|
| committer | Teddy_Wang <wangtheo662@gmail.com> | 2020-07-13 00:47:09 -0400 |
| commit | 5ff7e1ad2cc438bd1ecb29f6b4414d368115ca31 (patch) | |
| tree | 6a9d169c6747998e3ae5385c82e17c9174503b60 /src/test/codegen | |
| parent | 9a3a31a153be84b9be33859a25b56be9cab8177d (diff) | |
| download | rust-5ff7e1ad2cc438bd1ecb29f6b4414d368115ca31.tar.gz rust-5ff7e1ad2cc438bd1ecb29f6b4414d368115ca31.zip | |
Added ui tests for volatile and nearby intrinsics
Diffstat (limited to 'src/test/codegen')
| -rw-r--r-- | src/test/codegen/intrinsics/volatile_order.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/codegen/intrinsics/volatile_order.rs b/src/test/codegen/intrinsics/volatile_order.rs new file mode 100644 index 00000000000..29331219ba6 --- /dev/null +++ b/src/test/codegen/intrinsics/volatile_order.rs @@ -0,0 +1,18 @@ +#![crate_type = "lib"] +#![feature(core_intrinsics)] + +use std::intrinsics::*; + +pub unsafe fn test_volatile_order() { + let mut a: Box<u8> = Box::new(0); + // CHECK: load volatile + let x = volatile_load(&*a); + // CHECK: load volatile + let x = volatile_load(&*a); + // CHECK: store volatile + volatile_store(&mut *a, 12); + // CHECK: store volatile + unaligned_volatile_store(&mut *a, 12); + // CHECK: llvm.memset.p0i8 + volatile_set_memory(&mut *a, 12, 1) +} |