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Diffstat (limited to 'tests/codegen/atomic-operations.rs')
| -rw-r--r-- | tests/codegen/atomic-operations.rs | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/tests/codegen/atomic-operations.rs b/tests/codegen/atomic-operations.rs deleted file mode 100644 index 8771b8b2419..00000000000 --- a/tests/codegen/atomic-operations.rs +++ /dev/null @@ -1,84 +0,0 @@ -// Code generation of atomic operations. -//@ compile-flags: -Copt-level=3 -#![crate_type = "lib"] - -use std::sync::atomic::AtomicI32; -use std::sync::atomic::Ordering::*; - -// CHECK-LABEL: @compare_exchange -#[no_mangle] -pub fn compare_exchange(a: &AtomicI32) { - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 10 monotonic monotonic - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 11 monotonic acquire - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 12 monotonic seq_cst - let _ = a.compare_exchange(0, 10, Relaxed, Relaxed); - let _ = a.compare_exchange(0, 11, Relaxed, Acquire); - let _ = a.compare_exchange(0, 12, Relaxed, SeqCst); - - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 20 release monotonic - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 21 release acquire - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 22 release seq_cst - let _ = a.compare_exchange(0, 20, Release, Relaxed); - let _ = a.compare_exchange(0, 21, Release, Acquire); - let _ = a.compare_exchange(0, 22, Release, SeqCst); - - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 30 acquire monotonic - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 31 acquire acquire - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 32 acquire seq_cst - let _ = a.compare_exchange(0, 30, Acquire, Relaxed); - let _ = a.compare_exchange(0, 31, Acquire, Acquire); - let _ = a.compare_exchange(0, 32, Acquire, SeqCst); - - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 40 acq_rel monotonic - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 41 acq_rel acquire - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 42 acq_rel seq_cst - let _ = a.compare_exchange(0, 40, AcqRel, Relaxed); - let _ = a.compare_exchange(0, 41, AcqRel, Acquire); - let _ = a.compare_exchange(0, 42, AcqRel, SeqCst); - - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 50 seq_cst monotonic - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 51 seq_cst acquire - // CHECK: cmpxchg ptr %{{.*}}, i32 0, i32 52 seq_cst seq_cst - let _ = a.compare_exchange(0, 50, SeqCst, Relaxed); - let _ = a.compare_exchange(0, 51, SeqCst, Acquire); - let _ = a.compare_exchange(0, 52, SeqCst, SeqCst); -} - -// CHECK-LABEL: @compare_exchange_weak -#[no_mangle] -pub fn compare_exchange_weak(w: &AtomicI32) { - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 10 monotonic monotonic - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 11 monotonic acquire - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 12 monotonic seq_cst - let _ = w.compare_exchange_weak(1, 10, Relaxed, Relaxed); - let _ = w.compare_exchange_weak(1, 11, Relaxed, Acquire); - let _ = w.compare_exchange_weak(1, 12, Relaxed, SeqCst); - - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 20 release monotonic - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 21 release acquire - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 22 release seq_cst - let _ = w.compare_exchange_weak(1, 20, Release, Relaxed); - let _ = w.compare_exchange_weak(1, 21, Release, Acquire); - let _ = w.compare_exchange_weak(1, 22, Release, SeqCst); - - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 30 acquire monotonic - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 31 acquire acquire - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 32 acquire seq_cst - let _ = w.compare_exchange_weak(1, 30, Acquire, Relaxed); - let _ = w.compare_exchange_weak(1, 31, Acquire, Acquire); - let _ = w.compare_exchange_weak(1, 32, Acquire, SeqCst); - - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 40 acq_rel monotonic - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 41 acq_rel acquire - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 42 acq_rel seq_cst - let _ = w.compare_exchange_weak(1, 40, AcqRel, Relaxed); - let _ = w.compare_exchange_weak(1, 41, AcqRel, Acquire); - let _ = w.compare_exchange_weak(1, 42, AcqRel, SeqCst); - - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 50 seq_cst monotonic - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 51 seq_cst acquire - // CHECK: cmpxchg weak ptr %{{.*}}, i32 1, i32 52 seq_cst seq_cst - let _ = w.compare_exchange_weak(1, 50, SeqCst, Relaxed); - let _ = w.compare_exchange_weak(1, 51, SeqCst, Acquire); - let _ = w.compare_exchange_weak(1, 52, SeqCst, SeqCst); -} |