Eli Friedman | 276b061 | 2011-10-11 02:20:01 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 %s -emit-llvm -o - -triple=i686-apple-darwin9 | FileCheck %s |
| 2 | |
| 3 | // Basic IRGen tests for __atomic_* |
| 4 | |
| 5 | // FIXME: Need to implement __atomic_is_lock_free |
| 6 | |
| 7 | typedef enum memory_order { |
| 8 | memory_order_relaxed, memory_order_consume, memory_order_acquire, |
| 9 | memory_order_release, memory_order_acq_rel, memory_order_seq_cst |
| 10 | } memory_order; |
| 11 | |
| 12 | int fi1(_Atomic(int) *i) { |
| 13 | // CHECK: @fi1 |
| 14 | // CHECK: load atomic i32* {{.*}} seq_cst |
| 15 | return __atomic_load(i, memory_order_seq_cst); |
| 16 | } |
| 17 | |
| 18 | void fi2(_Atomic(int) *i) { |
| 19 | // CHECK: @fi2 |
| 20 | // CHECK: store atomic i32 {{.*}} seq_cst |
| 21 | __atomic_store(i, 1, memory_order_seq_cst); |
| 22 | } |
| 23 | |
| 24 | void fi3(_Atomic(int) *i) { |
| 25 | // CHECK: @fi3 |
| 26 | // CHECK: atomicrmw and |
| 27 | __atomic_fetch_and(i, 1, memory_order_seq_cst); |
| 28 | } |
| 29 | |
| 30 | void fi4(_Atomic(int) *i) { |
| 31 | // CHECK: @fi4 |
| 32 | // CHECK: cmpxchg i32* |
| 33 | int cmp = 0; |
| 34 | __atomic_compare_exchange_strong(i, &cmp, 1, memory_order_acquire, memory_order_acquire); |
| 35 | } |
| 36 | |
| 37 | float ff1(_Atomic(float) *d) { |
| 38 | // CHECK: @ff1 |
| 39 | // CHECK: load atomic i32* {{.*}} monotonic |
| 40 | return __atomic_load(d, memory_order_relaxed); |
| 41 | } |
| 42 | |
| 43 | void ff2(_Atomic(float) *d) { |
| 44 | // CHECK: @ff2 |
| 45 | // CHECK: store atomic i32 {{.*}} release |
| 46 | __atomic_store(d, 1, memory_order_release); |
| 47 | } |
| 48 | |
| 49 | float ff3(_Atomic(float) *d) { |
| 50 | return __atomic_exchange(d, 2, memory_order_seq_cst); |
| 51 | } |
| 52 | |
| 53 | int* fp1(_Atomic(int*) *p) { |
| 54 | // CHECK: @fp1 |
| 55 | // CHECK: load atomic i32* {{.*}} seq_cst |
| 56 | return __atomic_load(p, memory_order_seq_cst); |
| 57 | } |
| 58 | |
| 59 | int* fp2(_Atomic(int*) *p) { |
| 60 | // CHECK: @fp2 |
| 61 | // CHECK: store i32 4 |
| 62 | // CHECK: atomicrmw add {{.*}} monotonic |
| 63 | return __atomic_fetch_add(p, 1, memory_order_relaxed); |
| 64 | } |
| 65 | |
Eli Friedman | 2be4607 | 2011-10-14 20:59:01 +0000 | [diff] [blame^] | 66 | _Complex float fc(_Atomic(_Complex float) *c) { |
Eli Friedman | 276b061 | 2011-10-11 02:20:01 +0000 | [diff] [blame] | 67 | // CHECK: @fc |
| 68 | // CHECK: atomicrmw xchg i64* |
| 69 | return __atomic_exchange(c, 2, memory_order_seq_cst); |
| 70 | } |
| 71 | |
| 72 | typedef struct X { int x; } X; |
| 73 | X fs(_Atomic(X) *c) { |
| 74 | // CHECK: @fs |
| 75 | // CHECK: atomicrmw xchg i32* |
| 76 | return __atomic_exchange(c, (X){2}, memory_order_seq_cst); |
| 77 | } |