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// RUN: %clang_cc1 %s -emit-llvm -o - -triple=i686-apple-darwin9 | FileCheck %s
int atomic(void) {
// non-sensical test for sync functions
int old;
int val = 1;
char valc = 1;
_Bool valb = 0;
unsigned int uval = 1;
int cmp = 0;
int* ptrval;
old = __sync_fetch_and_add(&val, 1);
// CHECK: atomicrmw add i32* %val, i32 1 seq_cst
old = __sync_fetch_and_sub(&valc, 2);
// CHECK: atomicrmw sub i8* %valc, i8 2 seq_cst
old = __sync_fetch_and_min(&val, 3);
// CHECK: atomicrmw min i32* %val, i32 3 seq_cst
old = __sync_fetch_and_max(&val, 4);
// CHECK: atomicrmw max i32* %val, i32 4 seq_cst
old = __sync_fetch_and_umin(&uval, 5u);
// CHECK: atomicrmw umin i32* %uval, i32 5 seq_cst
old = __sync_fetch_and_umax(&uval, 6u);
// CHECK: atomicrmw umax i32* %uval, i32 6 seq_cst
old = __sync_lock_test_and_set(&val, 7);
// CHECK: atomicrmw xchg i32* %val, i32 7 seq_cst
old = __sync_swap(&val, 8);
// CHECK: atomicrmw xchg i32* %val, i32 8 seq_cst
old = __sync_val_compare_and_swap(&val, 4, 1976);
// CHECK: [[PAIR:%[a-z0-9_.]+]] = cmpxchg i32* %val, i32 4, i32 1976 seq_cst
// CHECK: extractvalue { i32, i1 } [[PAIR]], 0
old = __sync_bool_compare_and_swap(&val, 4, 1976);
// CHECK: [[PAIR:%[a-z0-9_.]+]] = cmpxchg i32* %val, i32 4, i32 1976 seq_cst
// CHECK: extractvalue { i32, i1 } [[PAIR]], 1
old = __sync_fetch_and_and(&val, 0x9);
// CHECK: atomicrmw and i32* %val, i32 9 seq_cst
old = __sync_fetch_and_or(&val, 0xa);
// CHECK: atomicrmw or i32* %val, i32 10 seq_cst
old = __sync_fetch_and_xor(&val, 0xb);
// CHECK: atomicrmw xor i32* %val, i32 11 seq_cst
old = __sync_add_and_fetch(&val, 1);
// CHECK: atomicrmw add i32* %val, i32 1 seq_cst
old = __sync_sub_and_fetch(&val, 2);
// CHECK: atomicrmw sub i32* %val, i32 2 seq_cst
old = __sync_and_and_fetch(&valc, 3);
// CHECK: atomicrmw and i8* %valc, i8 3 seq_cst
old = __sync_or_and_fetch(&valc, 4);
// CHECK: atomicrmw or i8* %valc, i8 4 seq_cst
old = __sync_xor_and_fetch(&valc, 5);
// CHECK: atomicrmw xor i8* %valc, i8 5 seq_cst
__sync_val_compare_and_swap((void **)0, (void *)0, (void *)0);
// CHECK: [[PAIR:%[a-z0-9_.]+]] = cmpxchg i32* null, i32 0, i32 0 seq_cst
// CHECK: extractvalue { i32, i1 } [[PAIR]], 0
if ( __sync_val_compare_and_swap(&valb, 0, 1)) {
// CHECK: [[PAIR:%[a-z0-9_.]+]] = cmpxchg i8* %valb, i8 0, i8 1 seq_cst
// CHECK: [[VAL:%[a-z0-9_.]+]] = extractvalue { i8, i1 } [[PAIR]], 0
// CHECK: trunc i8 [[VAL]] to i1
old = 42;
}
__sync_bool_compare_and_swap((void **)0, (void *)0, (void *)0);
// CHECK: cmpxchg i32* null, i32 0, i32 0 seq_cst
__sync_lock_release(&val);
// CHECK: store atomic i32 0, {{.*}} release, align 4
__sync_lock_release(&ptrval);
// CHECK: store atomic i32 0, {{.*}} release, align 4
__sync_synchronize ();
// CHECK: fence seq_cst
return old;
}
// CHECK: @release_return
void release_return(int *lock) {
// Ensure this is actually returning void all the way through.
return __sync_lock_release(lock);
// CHECK: store atomic {{.*}} release, align 4
}
// rdar://8461279 - Atomics with address spaces.
// CHECK: @addrspace
void addrspace(int __attribute__((address_space(256))) * P) {
__sync_bool_compare_and_swap(P, 0, 1);
// CHECK: cmpxchg i32 addrspace(256)*{{.*}}, i32 0, i32 1 seq_cst
__sync_val_compare_and_swap(P, 0, 1);
// CHECK: cmpxchg i32 addrspace(256)*{{.*}}, i32 0, i32 1 seq_cst
__sync_xor_and_fetch(P, 123);
// CHECK: atomicrmw xor i32 addrspace(256)*{{.*}}, i32 123 seq_cst
}
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