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Diffstat (limited to 'crates/hir-ty/src/consteval/tests/intrinsics.rs')
| -rw-r--r-- | crates/hir-ty/src/consteval/tests/intrinsics.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/crates/hir-ty/src/consteval/tests/intrinsics.rs b/crates/hir-ty/src/consteval/tests/intrinsics.rs index 9253e31d77..2855f78900 100644 --- a/crates/hir-ty/src/consteval/tests/intrinsics.rs +++ b/crates/hir-ty/src/consteval/tests/intrinsics.rs @@ -252,6 +252,28 @@ fn wrapping_add() { } #[test] +fn ptr_offset_from() { + check_number( + r#" + //- minicore: index, slice, coerce_unsized + extern "rust-intrinsic" { + pub fn ptr_offset_from<T>(ptr: *const T, base: *const T) -> isize; + pub fn ptr_offset_from_unsigned<T>(ptr: *const T, base: *const T) -> usize; + } + + const GOAL: isize = { + let x = [1, 2, 3, 4, 5i32]; + let r1 = -ptr_offset_from(&x[0], &x[4]); + let r2 = ptr_offset_from(&x[3], &x[1]); + let r3 = ptr_offset_from_unsigned(&x[3], &x[0]) as isize; + r3 * 100 + r2 * 10 + r1 + }; + "#, + 324, + ); +} + +#[test] fn saturating() { check_number( r#" @@ -438,6 +460,8 @@ fn atomic() { pub fn atomic_nand_seqcst<T: Copy>(dst: *mut T, src: T) -> T; pub fn atomic_or_release<T: Copy>(dst: *mut T, src: T) -> T; pub fn atomic_xor_seqcst<T: Copy>(dst: *mut T, src: T) -> T; + pub fn atomic_fence_seqcst(); + pub fn atomic_singlethreadfence_acqrel(); } fn should_not_reach() { @@ -452,6 +476,7 @@ fn atomic() { if (30, true) != atomic_cxchg_release_seqcst(&mut y, 30, 40) { should_not_reach(); } + atomic_fence_seqcst(); if (40, false) != atomic_cxchg_release_seqcst(&mut y, 30, 50) { should_not_reach(); } @@ -459,6 +484,7 @@ fn atomic() { should_not_reach(); } let mut z = atomic_xsub_seqcst(&mut x, -200); + atomic_singlethreadfence_acqrel(); atomic_xor_seqcst(&mut x, 1024); atomic_load_seqcst(&x) + z * 3 + atomic_load_seqcst(&y) * 2 }; |