|
// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
|
|
// rdar://7536390
|
|
|
|
typedef unsigned __INT32_TYPE__ uint32_t;
|
|
|
|
unsigned t(uint32_t *ptr, uint32_t val) {
|
|
// CHECK: @t
|
|
// CHECK: atomicrmw xchg i32* {{.*}} seq_cst
|
|
return __sync_lock_test_and_set(ptr, val);
|
|
}
|